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Simultaneous User Manual

1. A E 4 Gas sensors Sampling ioreivaon dioe nonc nce n n or Rc i a D D ADA D TW E T 5 Gas sensors dnd all ccs se comento teme Lamento dto led meet aM oen E Soa sasdd dasa tok mmo dels ie qs 9 Volatile organic compounds VOG s sampling 13 5 03x ird cias iii n ce ced cg re ce cd cg re c ce c re ce re ER 6 Temperature Relative humidity Dew Polanco GERE FRU T NER QUIS CHE ER RAE ERI RR EHERA IE NR Eua 6 What the standards Sii aaa 6 FS SN cs a Lia dip d RM M M Lid ME LEM UM LU NU MM T EVM Series ia 7 EDICION ec LM uU Ee EU MM IE e EM M e A E MU M T A s cca th cla A dearth lela a ce lt cada delet hal 9 Chapter 2 Getting started score dine nei rnv fro viride ed 11 dpud eU RE 11 Disblay and Key Dad ainia ona 12 A uM ea E M MM M EUM DM MEE M A M 12 Keypad Mo E e eLo C P er 13 A a ad 14 A A o ad 14 Na poo id 15 dic CONS OIM EE 15 FUMING Olfs autc dea cbe R act vcn ENR acte rhe dildo 16 Inistr ment InformatiOnzioso iba EE raro ORAR acia 16 DISTINTOS Ai pz RERO 16 3M Detection Management Software DMS eese nennen nennt tenete tenete tete se eese esee esee esee eee nens 18 COMMUNICATING cicdsca usd disci Qus ici disti OH Dni ii 18 F OWelhd andoutpuls on the E Mia 19 Dll soap nor oC OR lidia Udala Eis 19 V Table of Contents e Wieder ERR AERE 19 Chapter 3 Setting up the EU Mi A ee acta REDIGO DU ac DU ERU GER DU ae URE ER DU E DUUM 21 Setting up parameters vid the
2. 15 Keypad user interface explained 13 Level Dene A co E MU Co een anit eer ent ren 143 Lock secure Run and Setup screen essen 41 Lock Security EOCK SOTIKGY ai etm oben nbl 40 RUN Tode SIE DS oco r anane oan 40 SGUD SI xerit b M RE E EE d iv E ERE ME 40 Lookup icon eyeglasses softkey 85 A cues uiti a Mutius tuse 04 A UE OE RET TEL DET RETRAITE 04 Magnifying glass symbol ssssssssseenene 85 Material Safety Data Sheet Deferon eon a AEE NEEN 142 Maximum Defined D 143 Measurement parameters DEME en rm E RUE err 143 Measurement values ANO EDU ERN IE CL EE DE 89 KENET a uolo n PS EREENR UNDER E 89 Meu 89 Min89 Si a A 89 168 INDEX Measurements ZOOME teas core otv ec baia o tns 91 Zoomed QUE ce to EON ee 91 Measurements units SDE CHICATONS PEN 131 Measuring CONO n E Redde 88 Logged dira 81 eme dumb T 80 Sample summary data in DMS 81 Stored dala btt ate a eL acta 81 Summan dlls 81 MA eani b Deo wb rin 02 Memory Estimated logged run time 100 Memory remaining and file properties 99 aA a PEE 84 MOT ee 84 Minimum DENEI ea 143 MSHA DEME a pu LE 143 NUI NO era E RA 15 Navigating Screens odo d va Ope cia 03 NIOSH A NN 1
3. sss 59 A E 62 Ozone zero and span cals s sss 63 Particulates Zero Calero 52 Performing a gravimetric sees 57 Photo lonization Detector PID Sensor 71 PID PPB Span Cal tco totos T2 PID PPM Spatial ERU ER T2 PID PRM ZNO Cali ronda 71 PIDSSpan cal steps cdi ttt RS T3 Pump flow rate calibration 58 Relative humidity or temperature calibration 74 Saved calibration screen sssssss 66 Selecting a calibration sensor screen 68 Setting CO2 span cal screen ssss 70 Span cal TortoxCUAS cra 65 A noirs siu ree MESH FEE E xU MERE RSS 63 Verify calibration TT Zero cal and span cal for CO2 or for 02 sensor 67 Zero cal for toxiC GAS cioe b e ptite oit Pott e Rud 64 Zero cal set for particulates ss 55 Calibrating particulates Atizana Road DUST caricia 49 Calibration Example of cal history chart in QSP II 61 Calibration history screen sees 76 Carbon Monoxide Meast Tantos 59 Ceiling A EONA 141 erre 19 Check battery power eere 23 Chlorine Measuring ESTIS ERES EET 59 Communicating with QSP II via USB cable 18 Composite measurement screen
4. s sss 91 Composite with details screen sssss 93 Confined Space BID ES 141 Cyclone ETE S duse evene dunno oia 87 Delete session message eene 98 Deleting all SCSSIONS ita 98 Deleting SESSIONS o oecusetuduoodbasors Gus oem chua Gaara 97 Digital out Logic settings sees 35 Digital OUT cdd ftii s rode i Po EP 19 Digital output Using stereo plug and diagram 160 Display settings explained 24 Drift DM da dr dc utet dl 141 Dummy Sensor A A neues 141 Dust Override Factor A en EE O 141 Dust Override Profile Bro Pr PEE I E 141 Engulfment DEME PRUDENTI O REM 141 Estimated Run Time le T SM 100 Ethylene Oxide Measuring ange o om tee p m 59 EVM keypad and display explained 12 A A ft EN EE 11 PAR ME Ut d tute bu DRM 159 167 INDEX FAQ s Alarm outputs See Analog Input Output 161 Analog or digital out connection 160 Baten POW SL nostri ond EE ERE URN Ex URN 161 Calibration questions ococononocicnonoconinininononcnoos 161 Can we adjust the flow rate sssss 160 Can we run the unit without a cassette 159 Does 3M offer cassettes sss 159 Gravimetric cas
5. 53 Placement and calibration of sensors Particulates calibration zero cal 3 From the Start screen press W Arrows until Calibration is selected and press Enter f l MM N lt gt START FILE SYSTEM Calibration select to open PAST SESSION SUMMARY to the Calibration set screen SETUP CALIBRATION UNIT INFORMATION for measurements press Figure 4 7 Selecting calibration screen 4 In the Calibration screen press W Arrows and select PM for particulate matter NOTE if you have the wrong impactor setting the instrument will flash a warning sign indicating that you need to turn the impactor to PM before proceeding 5 Press the Cal softkey The pump will turn on M7 NOTE The HISTR and VERIFY softkeys will not be present if a user calibration and a calibration verify have not been performed CALIBRATION PM USER CALIBRATION Calibration softkey 14 JUN 2009 11 29 33 Verify softkey Figure 4 8 Particulate cal screen 54 Placement and calibration of sensors Particulates calibration zero cal 6 The ready screen with the PM Profile will appear Press the Start softkey AN EI calibration CALIBRATE PM Ready 0 0 00 mg m Start softkey Sa O O NO Figure 4 9 Particulate calibration and ready screen 7 Allow the level to stabilize approximately 1 3 minutes It will state Waiting A and Set softkey will appear when it has stabilized B Zero will appear whe
6. Life expectancy Warranty 5 000 hours for the laser photo meter 1 year warranty 127 Appendix A Volatile Organic Compounds VOCs Gas Detector PID Sensor Detector Range Resolution Repeatabili Low sensitivity PID 0 00 to 2 000 ppm or 0 01 ppm 5 2 relative Isobutylene at cal value fil 0 50 000 ppb or 1 ppb 5 2 relative do ore ie g m Isobutylene at cal value Photo Ionization Detector Non condensing Life expectancy Warranty 2 000 hours in clean air environment replaceable bulb and grid 1 year warranty Carbon Dioxide Sensor Method amp Display Display Accuracy Detector Range Repeatability Resolution CO sensor 1 ppm 100 ppm 20 C 1 bar NDIR O to 5 000 ppm auto pressure at 2 000 ppm non dispersive infrared ranging pn 70 0716 2215 applied gas 6 Non condensing Note manufactured before Qtr3 2012 range is 0 to 20 000 ppm pn 70 0715 8332 5 Temperature Influence additional 0 2 Settling time 90 of change in lt 90 seconds Life expectancy Warranty 5 years 1 year warranty Relative Humidity Sensor Detector Range Resolution Repeatability Capacitive between 10 90 Temperature Influence 0 1 Settling time 90 of change in 15 seconds Life expectancy Warranty 2 years 1 year warranty Temperature Sensor Detector Range Resolution Repeatability Temp sensor e 0 0 C to 60 0 C 0 1 1 1 C 2 F Junction Diode e 14 09 F to
7. 5seconds 10 2 20 4 10 2 Su 4 1 dOIw R OJO O e SN S G0 NO OT INO ojo e J1 N N e EE ojo AJN Rp Nie ceo U1 GJ AR N FR O o o OIOINIw 136 Appendix A Replacement and optional parts All accessories subject to change 100 456 Silicone dielectric grease for impactors 074 080 PID PPM cleaning kit 074 076 5 5 pack of 37mm gravimetric cassettes for pump protection includes one standard filter 074 090 10 pack of pump protection filters for 37mm gravimetric cassette 074 720 Dust zero calibration filter assembly Toxic calibration adapter 137 Appendix A 074 713 PID PPM smart sensor includes pellet removal tool CO Parts amp Numbers Description 074 733 CO Smart sensor 7 pin sensor For models manufactured after Qtr 3 2012 074 712 CO Smart sensor 5 pin sensor For models manufactured before Qtr 3 2012 054 972 1 0 LPM regulator with 2 0 050 ID inert tubing gas sensor is present cable and mounting bracket cable and mounting bracket Air Probe adapter cable included with each air probe option 138 Appendix A Customer service Contacting 3M Instrumentation Should your 3M equipment need to be returned for repair or for recalibration please contact the service department at the following number or access the online form via the website For technical issues please contact Technical Support Service Department and Technical Support 1 800 245
8. 1 Ethane NR Ethanol 8 7 Ethanolamine 3 0 Ethoxy 2 propanol 1 2 0 Ethoxyethanol 2 29 8 Ethoxyethyl acetate 2 Ethyl S lactate Ethyl acetate Ethyl acrylate 2 Ethyl amine il 71 140 105 23 130 100 ES e A 50 130 140 O1 amp Go On ZU OO co Po E O tt O1 2 CO m ee I eee ee JJ ABIOOD 0 0 R 0 5 5 1 110 870 33 Co al al N O o o N O I NI NIN DO I O O O al Q1 Co J N O O N N OD O O OIoO O oO O1 ojo O O1 O C1 N O O al 3000 3 33 300 3 33 3 28 360 N CO N 0 00 O O ojo O al O al O O ojo O O O O 0 0 6 0 0 100 100 151 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used E factor sensitivity PID conve m mencura nent ppb mg m to Ethyl benzene C8H10 0 185 50 8300 Gasolinevapors Hexamethyldisilazane C6H19NSi2 1 1 1 3 3 3 C6H180Si2 3000 100 800 20 0 15 0 2000 1500 N O I nic5 vwviulolulo lo 0u zz A J I J 5 1 0 NR NR 2 0 NR 1 4 0 NR 0 7 1 H H 0 NO Sil O 185 100 145 E AAA EST COMEN po EE 50 peo a 140 1393 50 us pl 4l M N N NIN N bh O1 oO O O O1 00 Q1 ojo O O ojo ojo A 1Z Z N oz JJ 0 T CO Z LA JJ o ho O N 0 oo O1 PO O1 O amo O
9. 152 Appendix C PID cal correction factors Gas VOC Hydrogen Hydrogen bromide Hydrogen chloride Hydrogen cyanide Hydrogen fluoride Hydrogen peroxide Hydrogen sulfide Hydroquinone Hydroxypropyl acrylate 2 Iminodi ethylamine 2 2 Iminodiethanol 2 2 Indene lodine lodoform lodomethane Isoamyl acetate Isobutane Isobutanol Isobutyl acetate Isobutyl acrylate Isobutylene Isobutyraldehyde Isodecanol Isoflurane Isononanol Isooctane Isooctanol Isopentane Isophorone Isoprene Isopropanol Isopropyl acetate Isopropyl chloroformate Jet Fuel JP 4 Jet Fuel JP 5 Jet Fuel JP 8 Kerosene Ketene Liquefied petroleum gas Maleic anhydride Mercaptoacetic acid Mercury Formula Correction Relative Typical used to factor sensitivity PID convert ppm ppb measurement to H2 Her H N N N zz JJ HON Z JJ H H H 0 CAEN H202 4 H2S 4 C6H602 o A alol mg m F C6H1003 1 CAH13N3 CAH11NO 1 C9H8 o 02 CH3 CH3I C7H1402 C4H10 CAH100 C6H1202 C7H1202 C4H8 C4H80O C10H220 CoH200 8H18 C8H18 C8H18O C5H12 C9H14O C5H8 C3H8O C5H1002 CAH7O2CI ss AA pm 1 667 15 LO dee A 35 E NIO 5 3 E 9 0 2 pj EN p E C2H20 NEP C4H203 C2H4028 1 Hg 12 O9 CNE ME EA E 60 ie n O7 AAA D NE
10. Press MW Arrows and select either RH or Temperature calibration Select the Cal softkey and then press the Start softkey Adjust the level to match the current value of a calibrated temperature sensing instrument e To adjust the level press AN Arrows until the appropriate value is selected Press the Set softkey and a Save screen will appear Press the Save softkey to save the calibration IU E Calibration CALIBRATE Temp Temperature cal Pause e Intended amp actual readings Intended Actual 27 3 27 1 oC u HE EM ve Figure 4 31 Temperature calibration To calibrate the other sensor RH or Temp repeat these steps e Or press the Exit softkey and then press On Off Esc e To open the calibration screen from the start screen press the Down W arrow to select Calibration and press Enter The Calibration screen will appear To exit and return to the main screen either press the On Off Esc ivice 76 Placement and calibration of sensors Calibration history Calibration history In the calibration history screen it will show your previous calibration of a specific sensor When the sensor is selected you will see when the last calibration was performed To view the calibrated values an optional History menu is selectable via a History softkey The figure below is an example of a CO cal history AA El Calibration HISTORY CALIBRATION CO 19 Dec 2008 15 33 11 Intended Actual Saved Ca
11. Sound Level Meters y Q Dust Profile Edit J EU Arizona ordiances 8 17 2011 10 26 47 AM Y f Leedtesting 8 8 2011 2 35 07 PM O Air Quality Heat Stress Name Correction Factor PROFILEA QuestDefault EVM 7 28 2011 10 01 42 AM CO 4 5568 COAL per Instrument itin n 1 0000 A 1 0000 A 1 0000 PRO 1 0000 PROFILES 1 0000 Active Profile ASH Units mg m 3 Gravimetric Accumulator 0 0010 mg Gravimetric Volume 0 0524 m Ba Save As imi Save 2 Refresh 2 Load A Delete amp Rename amp Get Configuration Send Configuration Figure 6 15 EVM Auto Run with Day of Week EVM and Particulates setup screen checkbox Profile names Names associated with a given correction factor managed within the EVM device To edit a given profile name or user correction factor associated with a profile name double click the profile name i e PROFILE1 of the desired profile Active profile The profile that is currently being used for dust measurements by the device Units Particulate sampling is measured with either mg m or ug m This is selectable via the drop down menu Particulates setting is either in mg m milligrams per cubic meter or ug m micrograms per cubic meter Gravimetric The amount of dust in milligrams that has been accumulated by the dust sensor since the last time it has been accumulator reset Gravimetric The volume of air that has passed through
12. sets y oO LAURAS EV BAZO 6280 Lagos Data Cher en is 9420001400292 Pee 39i L AHDIDA Cer 39 x om COC 1 Dust 3 b Temperature 104 EVM Reports and Printing EVM panel layout view PLV page EVM Reports and Printing To quickly create reports open your data in the data finder page and click the quick report gt Quick Report button A standard template of charts and graphs or panels will appear in the report Note the charts graphs will appear in the order displayed in the panel layout page e Viewing reports if you are in the data layout page and you have rearranged the charts tables the report will print in the sequence in which they appear on the screen e Printing reports while in the report view page you have two options outlined below e Click on the Y icon from the title bar e Click on the si icon from the session report title bar gr A onfigure a rere 7 ida Customize the report by inserting on site testing images E Manage Tools Help File C Create Reports From Particulate Testing in Sedona AZ Panel Layout View 3M Supplied Format 12 15 2011 Session Report Report example with logged data chart displayed with EVM date Report Styles Logged Data Chart 3M Ev W 7 Sample 2 io Customize Report J Pier bd Save As 4 Help lg images Oust Avera vit TWA m Panel Lay
13. stream you are measuring How does it operate Air travels through the impactor and the heavy particulates will stick to the greased plates within the impactor 1 The Pump will circulate the air as it passes through the tubing in the back of the instrument 2 The smaller lighter particulates will pass through the optical engine 3 and collects in the gravimetric filter cassettes 4 1 Filters through impactor 3 Passes through optical engine 4 Collects in Grav filter cassettes Figure 4 3 How the impactor functions 50 Placement and calibration of sensors Adjusting the impactor turret setting amp 7 NOTE Depending on the environment i e a dense dusty manufacturing plant you will want to ensure the impactor Is well greased and cleaned before using Additionally it is recommended to monitor this process while measuring You may need to stop your measurements clean and grease the impactors and then resume measuring To clean and grease the impactors please see Chapter 7 Cleaning and maintenance Adjusting the impactor turret setting When measuring the industrial processes such as sanding cutting crushing grinding and transportation cause air pollutants The size of the particles will enter the human body in different areas affecting the nasal throat and or lung area The impactor setting is used to trap and filter out the larger size particles based on your cut point or impactor setting The ra
14. 11 Right arrow Used to toggle through the views and to move right through menu selections 12 Down arrow Used to select menus options in the setup screens and select measurement values or data 13 On Off Escape Used to turn on the EVM turn off and to Escape or move back one screen Table 2 1 Keypad user interface explained 14 Turning on Start screen explanation Turning on 1 To turn on the EVM press the On Off Esc Cg M A3M splash screen will appear including the firmware version name M Proceeding the splash screen you will be viewing the Start screen Start screen explanation The main screen you encounter and is referenced throughout the manual is the Start screen From the start screen you can access the measurement screens the setup screen calibration screens file system screen used to view past sessions and clear data and unit information screen includes serial number information The measurement screens are explained in more detail in Chapter 5 1 To select a menu option press AA Arrows and then press Enter This will open the selected menu screen 2 To view the measurement screens press the Right or Left lt gt Arrow and this will toggle you through the measurement views Indicators mum im m e Battery power I e Stop 5 AE STAR EE Start Screen FILE SYSTEM Press the left or right arrow key to toggle PAST SESSION SUMMARY through measurement views Menu options CALIBRATI
15. C 2 and g 2 vi TWA s and PEL s are not available for most chemicals There are simply too many chemicals many of which have not gone through the rigorous scientific study and peer review required The absence of an exposure limit for a substance should not be used to assume that a substance is not hazardous 143 Appendix B Measurement parameters The following measurements are displayed on the instrument and in the Logged data table chart in DMS e Average The measurement value over the time interval or logging interval e Level The instantaneous measurement at a specific point in time e Minimum The minimum measurement over the time interval or logging interval e Maximum The maximum measurement over the time interval or logging interval e STEL Short term Exposure Limit The maximum concentration above the time weighted average that employees can be exposed to over a specific time period usually 15 minutes no more than four 4 times per day See PEL for more information e TWA Most permissible exposure limits are based upon an 8 hour time weighted average TWA The air concentration may sometimes go above the TWA value as long as the 8 hour average stays below See PEL for more information MSHA The Mine Safety and Health Administration in the USA NIOSH The National Institute for Occupational Safety and Hygiene in the United States An organization dedicated to investigating the harmful effects of v
16. How often do we need to calibrate the pump Response Solution 3M recommends an annual factory calibration If the user has an accurate flow meter such as a bubble flow meter the user may perform more periodic pump calibrations 4 How do we calibrate the pump Response Solution An accurate flow meter such as a primary standard calibrator and tubing is required to perform this calibration The primary standard calibrator tubing is inserted in the air flow outlet located at the back of the housing Navigate to the CALIBRATION FLOW RT screen Press the CAL quick key and then the START quick key Adjust the flow rate using the up and down arrow keys to 1 67 LPM and then confirm by pressing the SAVE quick key It should be noted that in order for the impactors to work properly the flow rate must be adjusted to 1 67 LPM 5 Can we adjust the flow rate Response Solution The flow rate can be adjusted see the How do we calibrate the pump question above It should be noted that in order for the impactors to work properly the flow rate MUST be adjusted to 1 67 LPM 6 How can we verify the constant flow Response Solution Using an accurate flow meter or primary standard calibrate before your run logging and verify after to ensure a constant flow rate NOTE The primary standard calibrator tubing is inserted in the air flow outlet located at the back of the monitor Digital Output using stereo plug amp diagram 1 How do l access my
17. PO OJN a lol wliNi o dvo 2 m o 2 o mio1o n oo co NENA VIEN w iwlolololololmio S mMiOlO wWiO no wIolololol lw ojo oo Go C2 ai o OIo o o Oi O ZW zo ceo 2 o o1 o 2 olal lw m oon a olojolSlolmi lo o BRlOIN O o n olo o o o o ojolojol oO olo N 09 O A A a c Co 154 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical Sane factor sensitivity PID conve m mencura ent ppb mg m F3 0 7 2 8 4 0 3 5 0 5 0 NR to Methylpent 3 en 2 one 4 C6H100 Mmealol Jo o o oo Mineral spirts J Parffnwaxfume FPardf ns normal 2 Petroleum ether 140 70 400 350 a O N Co no BW ceja no al A e al N N e e al e 01 O1 O D 7 O N zm m mcm e EE m A AA A I do JD D U O O O D D O D D J DO O u JI BO zz JJ 00 A B SI A oo oo PA on No e o O oo Q2 NIOIO 0 e 00 e e e e O o o O 110 155 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used to Sdn ppm factor sensitivity PID m ment to ndun 9 0 ppb C6H6O Phenyl 2 3 epoxypropyl ether_ C9H1002 1 08 125 amp BO Phenylenediamne C6H8N2 1 06 G7 60 Phosgene COCD NRO Picoline 1 C6HIN 09 9 100 amp 90 Piperidne C5HIIN 09 J 9
18. Sl br oe PEORES 14 STEL DO 143 Stereo plug How IO COME e wu add Les 160 o TR 15 SIODDIDO rola di des 83 Sulphur Dioxide A edat tdt 59 TIME BET OO o 145 MADE lea pe y sos e ciet PU E Oe arenes 22 TLV Bc PEERS 145 Toxic Gas Sensors A Ra ER EE 128 Trend data screen ADOUI AN 93 Trend Scie isoon 94 TIEN SO KO es ta pd MORE HER EDD TERR URDU HERE 06 O 16 TWA A A O dc da bre eio 143 Unit Information screen enne 16 Unlock SM default COGS adn 41 Unlock Security PU Odes uas xc neu REED Ue E E 41 DUD eda E 41 I ecran estate date start Moti dd dala a oe odd te uon 04 USB power jack and digital output port 21 Viewing installed sensors ees 17 VOC DEINE Aar anaa 145 Volatile Organic Compounds SPECIMENS 2 S 127 IO Toon o OO OS 84 About Us 3M Detection Solutions is a world class manufacturer of rugged reliable instrumentation and software systems that help monitor and evaluate occupational and environmental health and safety hazards including noise dosimetry sound level monitoring heat stress indoor air quality and select toxic combustible gases The 3M Detection brand of instrumentation is used by safety and industrial hygiene professionals to help comply with applicable occupational standards and regulations About 3M Personal Safety 3M offers a comprehensive diverse portfolio of Personal Safety solutions providing resp
19. Zero Cal Figure 4 28 Calibration mode screen 6 The PID Pause screen will appear displaying the intended and actual calibration values Press the Save softkey Or press the Cancel softkey to repeat this process e To set the span cal proceed to PID span calibration 7 To restore the factory calibration for the ppb sensor select the HISTR softkey from the PID calibration screen Press the FACTRY softkey This will restore the ppb zero calibration value 73 Placement and calibration of sensors Calibrating Photo lonization Detector PID Sensor PID span calibration Typically for PID 100 ppm isobutylene is used for a span calibration when the VOCs are unknown or apply the gas of interest if detecting a specific VOC for best results If your intent is to measure a specific VOC with PID PPM sensor then you will want to use the relevant VOC for your calibrated gas source However for PID PPB span calibration it is recommended to use 10 ppm or 10 000 ppb isobutylene whether the gas of interest is known unknown A NOTE A correction factor is a number that relates to the PID sensor of a specific VOC and correlates to the PID response to the calibration gas sometimes referred to as a response factor Please reference Appendix C for specific correction factors provided by Ion Science Performing a PID Span Calibration Allow up to 15 minutes of warm up time for PPB PID sensor and 5 minutes for PPM PID sensor For
20. been set ZERO IMP SPAN SAVE Figure 4 20 Calibration zero pause screen 9 To set the span cal proceed to Toxic gas span calibration M NOTE if you want to re do the zero calibration press the Zero softkey and repeat steps 7 and 6 Softkeys Explanation When pressed this will allow a calibration to be performed When pressed this will enable you to a zero calibration When pressed this will enable you to perform a span calibration Enables you to exit at any time Table 4 2 Gas calibration softkeys explained Toxic gas span calibration When conducting a span calibration the calibrated gas used should match the sensor you will be calibrating WOTE for Ozone span calibration an ozone generator should be used 1f you are continuing from the Toxic Zero cal section the screen you will be viewing is the Calibrate Pause screen If you are performing a Span cal only ensure you are at the Start screen and select the calibrate menu Then select the specific sensor by pressing up down arrows Press the Cal softkey and then press the Span softkey Proceed to Step 2 Performing a span cal for Toxic gas 1 Continuing from the zero cal procedures you should be viewing the Cal Pause screen as displayed in Figure 4 17 Press the Span softkey 66 Placement and calibration of sensors Calibrating toxic gas sensors 2 Apply the gas at full flow rate while observing the Level field on the display Wait
21. with the thermometer from 0 to 60 C reading from 0 to 5 volts 60 9 C 40 v 9 2 e 0 1 2 3 4 5 6 7 8 9 Hours Figure 3 15 Analog out results with temperature as output 1 2 3 Setting Analog Out From the setup screen select Aux I O and press Enter B Press Ay Arrows to select Analog Out and press Enter B To enable or disable press Enter O when Analog out is selected and press MW Arrows to change the setting Press Enter to move back to the 1 column To select a sensor ensure Sensor is selected and press Enter a Then press W Arrows to page through the selection list Once the appropriate sensor is selected press Enter a To return to the start screen press On Off Esc e twice LL E Setup Aux ANALOG OUT ANALOG OUT lr Disable Enable Analog out field Sensor PID Select a Sensor 0v 0 ppm 5v 2000 ppm Figure 3 16 Analog Out screen 38 Setting up parameters via the keypad Restoring default factory settings Restoring default factory settings The EVM is equipped to restore all factory settings and factory calibration settings via the Defaults screen WOTE Dew Point and Air Velocity are not user calibrated and therefore not listed in the restore factory calibration screen 1 In the Setup menu press A Arrows until Defaults is selected or highlighted 2 Press Enter to open the screen D FACTORY CALIBRATION Restoring Default settings FACTORY SETTINGS
22. 0779 Fax 1 202 567 4047 Office hours are 8 00 a m to 5 00 p m United States Central e E mail 3Mdetectionmail mmm com e Internet www 3M com detection International customers Contact your local factory authorized distributor from whom the product was purchased You can obtain the name and contact information of your local factory authorized distributor from 3M by using the e mail telephone or fax information given under Contacting 3M above Calibration The EVM Series and 3M field calibrator devices should be examined regularly by the factory An annual calibration is recommended Please see Service Department above 139 Appendix B Warranty 3M EVM Series Environmental Monitor LIMITED WARRANTY 3M warrants EVM Series Environmental Monitor will be from free defective materials and workmanship for one year from date of purchase indicated on the sales receipt provided it is maintained and used in accordance with 3M instructions and or recommendations If any component becomes defective during the warranty period it will be replaced or repaired free of charge This warranty does not apply to units that have been altered or had repair attempted or that have been subjected to abuse accidental or otherwise The above warranty is in lieu of all other express warranties obligations or liabilities For warranty outside the United States a minimum of one year warranty applies subject to the same limitation and exceptions a
23. 100 XA 90 Prop2 yni l 1 OC8HO 13 X 80 X 180 Propane C3H8 ENR Sodiumfluoroacetaie C2H202FNa NRO d Sulphur dioxide SO2 NRT Sulphur hexafluoride SF6 1 NR e Terphenyls C18H14 06 Tetrachloro 1 2 C2CIAF2 difluoroethane 156 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used to convert ppm factor sensitivity PID measurement to mg m ppb Tetrachloro 1 C2HCI4F NR fluoroethane 1 1 2 2 ii difluoroethane fluoroethane Tetrachlorosthane 13 12 C2H2014 n C2H2014 oo E Tetrachloroethylene C2CM Tetrachloronaphthalenes C10H4Cl4 1 0 100 100 all isomers Tetraethyllead C8H20Pb_ FNRI o e Tetrafluoroethane 1 1 1 2 C2H2F4_________ NR_____ o de Tetrafluoroethane 1 1 2 2 C2H2F4_________ NR_____ Tetrafluoromethane CF4 PNR Tetramethylorthosilicate C4H1204Si NR J Thermno Jo odo 10 100 Thionylchloride SOC2 1 1 NH Toluene Toluene 2 4 disooyanate CoHenz02 16 so 180 Tuere unen en 300 chloride p CTFEN Tributyl phosphate Tributylamine C12H27N Trichloro 1 1 C2HCI3F2 difluoroethane 1 2 2 Trichloro 1 2 C2HCISF2 NR difluoroethane 1 1 2 Trichloro 2 2 C2HCI3F2 dif
24. 140 09 F 0 1 2 F Life expectancy Warranty 2 years 1 year warranty 128 Maintenance and Cleaning Gravimetric cassette and filter paper Toxic Gas Sensors Gas Type Display Display Accuracy Life expectancy Range Resolution Repeatability warranty Carbon Monoxide AAA 0 1000 eee 1 5 2 of N 2 ARA 2 years hain CL Rial 0 20 ppm baa 1 ppm niis 2 of 2 onini year signal Ethylene Oxide EtO 0 0 20 ppm 0 1 ppm 5 2 of 2 years 1 year signal Hydrogen Cyanide 0 50 ppm 0 1 ppm 5 2 of 2 years 1 year HCN Signal Hydrogen Sulfide H2S O 500 ppm 1 ppm 5 2 of 2 years 1 year Signal Nitrogen Dioxide NO2 0 0 50 ppm 0 1 ppm 5 2 of 2 years 1 year Signal Nitric Oxide NO 0 00 100 ppm 0 1 ppm 5 2 of 2 years 1 year Signal Oxygen 02 0 0 30 0 1 5 2 of 2 years 2 years Signal Ozone 03 0 1 0 ppm 0 01 ppm 5 2 of 18 months 12 months signal sensitivity drift 10 over 6 years Sulphur Dioxide SO 0 0 50 ppm 0 1 ppm 5 2 of signal 2 years 1 year Air Velocity Accessory Optional AirProbe 10 Detector Range Resolution Repeatability Omni directional 0 0 20 0 m s 0 12 m s 4 5 heated thermistor windprobe 0 3940 0 ft min 23 6 ft min 4 5 of measurement value Battery life 6 8 hours for fully charged NiMH battery Charge time 9 hours Life expectancy Warranty 1 year 5 years 129 Appendix A Displayed Data Meas
25. 2 5 the applied profile or correction factor and various measurements level max min etc Measurement displayed is changeable via the lookup glasses icon or by pressing Enter key ME gt 00 19 20 Impactor and lt gt PM2 5 PROFILE1 profile displayed LEVEL 0 457 AVG 0 456 MIN 0 441 STEL 0 460 MAX 0 477 TWA 0 018 Particulate Level is 0 445 mg m Press detail softkey to view all Oc 1 NEN A yan measurement values Figure 5 6 Particulate Measurement screen 87 Particulate measurement screen Impactors and particulate measuring Impactors and particulate measuring As discussed in the calibration chapter there are four selectable particulate settings To move the impactor ensure you are in stop mode Then twist to the right or left until you feel a tactile detent The impactor setting will align to the gray marking on the housing see Figure 4 4 for an example M NOTE The particulate screen will display ERR if it is not clicked into one of the appropriate settings The selections include PM2 5 PM4 PM10 and PM M NOTE The impactors may require cleaning during or after your measurement study Please see Chapter 4 Impactor and Use for more information Extending run time for PM measurements If you will be measuring in a dusty environment such as an environment that is oily or for a long period of time 10 hours you may need to clean the impactors frequently in order to remove the debris
26. 6 Estimated run time for logging screen usado a ERR TU espina Gh soit ae GR acia ned ideni Ob cae ea b av PR a 27 Figure 31 RD COME CIO ACL tU tes 28 Figure 3 8 PID correction factor displayed on measurement screens eese nennen nennen tnnt nr nena titii ien tn tenete titi te trennen un 28 Figure e 29 Figure 3 10 Edit profiles for dust calibration esae saei e epar n cg E i pa ncn pad o 31 Figure 3 11 Entering a profile for par culate CaliDlato tosssascoe A dd ber edt A A ENS 32 EIgure 3 12 Particulate Setup SCEON rasta A ia opo deuil 34 Figure 3 143 Conngarid digitabolfplib e T Lies tbe A 35 Figure sp AIT Velocity Setting cte detail dt tdeo AAA pu dut deni fra vatis 36 Figure 3 15 Analog out results with temperature as OULU s Cog Cable pan Dine al reuerti Uca Calc on tn ROB el ba epo a ua ORTU aan 37 FEigule 3s 16 Afia og QUESCPSBIT Ns ias 37 Figure 3 17 Defaults screen restoring factory SUIS scc r moss t ei Uh e Recta ene ehe Ri dn nion cu UR CEP RA ERR E pal Zia RR RU RA ED A TNR inate 38 FEig re 3 19 Restoring deta lt callDFallOFIS sg et titer eden ay step eet od ROG hl ec e EU Dd ear tot RUA O eC E PRO 38 die Mrs 3 1 UB ACORDAS AAA AAA AA 39 Figure 9 20 NR NN 40 Figure 3 21 Setting lock SECUS cootra d tM SR A mp oct D a MED D CENE E inl Ved Seas a E 41 Figure 3 22 Selecting auto run with timed run Mode suco co de edu e deni devo M ara reed bx rre dd bo ed t ueri d c c Mir NS 42 Fi
27. 6 01 06 AM Single Point Cal Verify 1 2 2007 6 00 09 AM Dust Cal Verify Figure 4 16 Calibration history for EVM 62 Placement and calibration of sensors Applying a gas sensor Applying a gas sensor You will want to gather your calibration gas source the regulator if not already connected inert tubing the cal adapter and the EVM with the appropriate sensors installed After your calibration setup is completed please follow the proceeding applicable calibration sensor sections Applying a gas sensor 1 Connect the gas source regulator and inert tubing 2 Slide the inert tubing over the black nozzle of the cal cup 3 Remove the air inlet cover on the EVM See Figure 4 2 for an example 4 Place the Cal cup over the air inlet 5 When you are ready to access the Cal screen turn on the regulator Tubing 4 Regulator Er CELL C LGA 4 Calibration gas source Cal adapter Figure 4 17 Applying a gas sensor 63 Placement and calibration of sensors Calibrating toxic gas sensors Calibrating toxic gas sensors It is recommended to conduct a zero cal and a span cal with toxic gas sensors Essentially a calibration is conducted by checking the sensors response to a known concentration of a certified calibration gas It is important to note that with a zero cal and a span cal you should be in a non contaminated environment when performing the calibration It is recommen
28. Continuous exposures at ppm level over more than 30 minute might blind the sensor Table 4 1 Cross sensitivity table of interfering gas How sensors operate Power is automatically applied to the gas sensors when they are connected and the instrument is turned on These are also referred to as intelligent sensors Additionally the EVM will automatically identify the type of gas sensor that is installed M NOTE it may take a few minutes for a newly inserted sensor to stabilize before using Quality calibrations The quality of the calibration process depends upon the accuracy of the calibration gas and allowing the sensors to stabilize before saving the zero and span calibrations 61 Placement and calibration of sensors About sensors and cal storage About sensors and cal storage Once a calibration is completed and a sensor is removed the calibration records are stored in the sensor Calibration history and sensor serial numbers After running saving a calibration and downloading the data to Detection Management Software DMS or QuestSuite Professional II the calibration type levels the serial numbers and the date time of the calibration are viewable in the software The serial number of the sensor is available in DMS in the calibration history chart Calibration History Calibration Type Sensor Serial Number 1 2 2007 6 00 52 AM Single Point Calibration 1 2 2007 6 00 09 4M Dust Calibration 1 2 2007
29. KeVDad u aa ce dI eite o erga Ce to e REUS ad OE ARTE OR E uU 21 Timeand date SUM 2 roc Roa doa cnr aea ac ese a sra dut AAA a cea und Rue de dv a usd c AR 21 Aa o emer ae eter ree err reer werner rte errr rere rere rere rere reer eee ern 22 Display language contrast amp key A 24 setting Togging and viewing UT UME e ccr dto cderasee tondere ad aud e aude d tm EDU LM caddy 25 A t RR E 21 Changing units temperature particulates PID and air velocity 29 Seling up pariculate Sells assessed avo a Gibson pde NDS OD NINOS EDI NE 30 Setting profiles particulate correction factors essere nnne nnn nnn nnn nnn nnn nnn nnn nnn ninth tania tata ta tata ta tata 30 How particulate factors are adjusted and calculated sese 30 Dust correction factors profiles sse nenne nenne nnne nenne nnne tnnt tenete tenente nnne 31 Par culate pump enable or SACS ee 33 A fad cece chet steele aerate ateca deuterated eee etedass weer tede ou eibaasetadeseueieoa wietedesae 33 O E E RRE E AEA RRES 34 I fer iz Te ANO 34 O NA 36 ANO OU rial aia 37 Restoring a aaa cas 38 Dacklight Seid oae b Cb Oud c C doc m dla d bau UE uo bn EA RR CR UIS Du la DU ba 39 accro E mm ATP HH E 39 Et E and or Setup 5 45 Men iM OM A uerb tuia M Esta EA IMEEM M AN LEM RM UM tac rU dS 40 Unlock run ant or Setup cabo dune bee erase iae tse i clea en o esae 41 AUTO SEDI o oec trea to eto iR Nd MR Reo EM
30. OF THREE IMPACTORS GREASE INTO VERY THIN LAYER REPLACE TURRET TOP AND SECURE WITH SCREWS IMPACTORS ARE NOW READY FOR DUST SAMPLING 124 Maintenance and Cleaning Impactor care Impactors and when to clean When the dust accumulates on top of impactor plate in a pyramid form as displayed in the Figure below this signifies the impactor plate requires cleaning For example in a dense dusty manufacturing plant this may require greasing and cleaning after each measurement or every 10 hours of measuring Apply a very thin film of silicone grease before calibrating and measuring on the appropriate impactor setting When dust accumulates in a pyramid form on top of the impactor this indicates cleaning is required Figure 7 9 When to clean impactors 125 Maintenance and Cleaning Impactor care Gravimetric cassette and filter paper A filter paper in the gravimetric cassette also referred to as gravimetric pump protection filter is user replaceable and is included in your kit Itis suggested to replace the filter paper when the flow rate is not maintained The instrument will display a warning message when it needs replacing 1 Replacing the filter paper in the gravimetric cassette Remove the cassette by opening the back door and gently remove the cassette from the housing Open the gravimetric cassette by twisting the two pieces apart Remove the filter paper and replace it with a new pap
31. Ready Offset Calibrate offset value 99 0 ppm cuu M MA 50 Figure 4 33 Calibrate offset verify screen for PID sensor Press the Start softkey and allow the level to stabilize Apply any gas if applicable as described in the Calibration sections above 78 Placement and calibration of sensors Verify calibration and drifting analysis 4 Press the Set softkey to set a new calibration value HMM Mm Calibration VERIFY PID Level Calibrating 175 1 1 0 ppm NENNEN NENNEN CANCEL Figure 4 34 Calibrating PID 5 The Intended and Actual values will appear Press the Save softkey to save these new values e Or press the Cancel softkey and press Retry to repeat this process 6 To return to the start screen press On Off Esc C uice e Toretry the offset cal press the Retry softkey and repeat the steps above 79 Placement and calibration of sensors Verify calibration and drifting analysis This page left blank intentionally CHAPTER 80 Overview of running a session 5 Quick Help Measuring and Viewing Once you have setup your logging parameters and calibrated the instrument you are ready to begin measuring The focus of this chapter is to give you a brief overview of what is measured how to navigate what measurements screens will appear and how to run and stop your measurements The chapter concludes with an explanation of the file system management functionality which is comprised of the followi
32. a a NERONA ER cR e v Dor c 109 jare and auto UNM SUING rio iia 109 Day Ot Week and A Semllir i oae tap qd edat edat de tot bed tom uude teats utes Ud ed UE ded t 110 EV Mana secum Setlrigs ri a RU Et eR Po ps Re eb Pd SR RI RUP ERU aM DR ERN GSC 111 BVlandiggenoseRlh s O Roo EN 111 EVM and particulate settings ill 113 EVI and Particulates e 113 Chapter 7 Maintenance amp Cleaning aae a a dida iota id iar rd o dre Pid d ord 115 OVENVIEWS utin dan I E AUC DIG SUC denna ann DICEN RU DIUI IRI SINEUN RARIUS EUN NAISUCHBIEEUN ERRUE DIUEUR ERIRURE DAR N RDE 115 PID Senso e 115 Removing and installing PAD SesOE aaa 116 Maintenance and cleaning overview or PID iia anes tp cg ut pe Uc E ERE UC IER UE po UC HER MERE RE 117 Cleaning PID Sensor uercncane studet A A E 117 Optical Engine maintenance and cleaning eiie n nin n ini n rr n n anean 120 impactor caera indoor IRE 123 Impactors and Weoo isa 124 Gravimetric cassette and filter paper rara da AAA d oi a Du At 125 Appendpc A Spean aaa 126 Replacement and optional Darts iii da 136 Appendix B Customer Service aran E dado quai TUR CUN TTA dud canas 138 Contacting aM Detection Solutions uci s EG en b DE ba eno aida 138 IBterriauoHal CUSEONTIGES een tet tors cc eos 138 Iro gir eer 138 Watios 139 vill List of Figures Appendix B Glossary OF Termini als 140 Appendix C PID sensor an
33. ae itur oa p A A ds 111 Figure 5514 EVM Triggering SUP ia RA ua S ta estt da pobre ae ded vide eR ded RR RE 112 Figure 0 102 EV NE Au With Day OP WOBK cte dt Rer rtr tb e ot abe pite ter edt 113 Figure 7 1 Removing and inserting PID Sensor trat ect d tae e apte n eco ated Re AO ap ROSE vases De aa 116 Figure 7 2 Removing intelligent sensor casing with PID sut scs tm tak pii eh ta onion an aa 118 Figure 7 3 Removing the lamp with removal tool 55 55 A hb at ets tuc calves ae de Du bnt en RR oa io 118 Figure 7 4 Remove insert PID sensor with lamp amp pellet utin fecto A atr Fera rd e ketene foa epe ce len even fu zd 119 Figure 5 PID sensor cleaning Esso ees NS 119 Figure 7 6 Fit ngilnserung the lamp and pellet notan QR ok Und Nae Dp Satis ERN mE Dok ve Saab Sct Nac dain Novas an is 120 X List of Tables Figure Oblcal engiti and cleaning csset a eene etx A are ct etta fuut bat dra Fours reer tr entre 121 Figure 5 Cl amingune optical SM GUNG ca son rotten nan ira Febr eerta Calpe has ia ndred oras Rer i o saben Falcon to a rub a 122 LGU be Os Wes af fes oto RETE 124 Figure 7 10 Gravimetric cassette and filter paper maintenance sese nnn nnne nnne arar anno none tete te titer arre intet 125 List of Tables Table 2 1 Keypad user interface Ox plained ass acoso m ept op oco p ceni ere prt ertt indio Ro ARA DeRR ERN E ER IS ORA naaa 13 Tdbls 2 2 Indicators 1 8 r n st p DANGLY AA AA ASA AAA AAA ARR Qe ORG i
34. and the screen is magnified you can select each sensor and the measurement units will be displayed on the bottom of the screen Magnifying glass symbol Used to Zoom in or out The plus denotes zoomed in and the minus sign denotes zoomed out Table 5 2 Measurement softkeys explained 86 Particulate measurement screen About the measurement softkeys Measurement Softkeys Detail softkey Trend softkey Explanation Detail softkey used to view a sensor s measurement values in a summary screen For example if you are on the composite measurement screen and you want to view the summary data for CO you would first select the CO field and then select the Detail softkey You may need to press the up down arrow to scroll through the data Trend softkey is graphical chart and is used to give you a quick synopsis of trends over time such as a high volume of particulates at a specific time The following settings are always logged and are viewable by pressing the Altf key when you are viewing the trend screen 90 sec 180 sec 900 sec 90 min 3 hrs 8 hrs 12 hrs 24 hrs The timescale x axis can be expanded by pressing the right or left arrow keys The measurement level y axis can be expanded and contracted or down arrow keys Table 5 2 Measurement softkeys explained continued Particulate measurement screen The particulate measurement screen displays the user adjustable impactor setting i e PM
35. basic information you will need to begin measuring with your environment monitor Checking the equipment If your instrument was sent to you in a storage case you will want to remove all the packaging and acquaint yourself with the following equipment NOTE Depending on the accessories you selected the EVM may have the components displayed in Figure 2 1 For additional sensors ar other accessories please refer to Replacement parts on page 136 USB cable connects to the external output of the EVM to your pc B Universal Power adapter External Power EVM supply for EVM lt lt DMS software d Example of a cal gas and CE regulator ALGA pes Sample senor Your sensors will be calibrated and placed inside TL the instrument depending on what you ordered The sensor type is j PID cleaning kit for measuring labeled on the side of the f VOC s Q tips cleaning cylinder x solution amp electrode pellets HEPA filter Zero filter for particulate calibrations Silicone grease for greasing impactors Figure 2 1 Identifying your equipment 12 Display and keypad Diagram Display and keypad The keypad is used to run and stop your studies view your measurement values select appropriate set up parameters and power on and off Diagram The following diagram explains the features on the display and keypad 6 Indicators 7 Softkeys 1 Display 8 Up arrow 2 Backligh
36. build up on the impactor See chapter 7 for Maintenance and cleaning for more detailed instructions To extend the run time for PM measurements attach a cyclone to the turret The cyclone is used to prevent the larger dust particles from building up on the impactor which eventually clogs the impactor It forces the larger particulates using centrifugal force down and around the filter and collects in the bottom holding cap See Figure 4 6 for more details amp 7 NOTE you use a cyclone that is designed to work at 1 67 lpm pump flowrate 88 Particulate measurement screen Changing particulate measurements Changing particulate measurements To change the displayed measurements there are three options in the particulate screen You can press the Enter key to page through each measurement select a specific measurement from the lookup glasses softkey and or press the Detail softkey The measurements are defined in Table 5 3 NOTE If characters appear on the screen this denotes that the measurement Is invalid gt To change your measurement view 1 Click on the Look up icon KIA 2 Inthe pop up measurement menu press the Up Down arrow to select a different type 3 Press Enter a to select On the particulate screen the selected measurement type will appear 4 To view a graphical view of the data press the Trend softkey In the Trend screen press the Line softkey This switches the screen from a dotted l
37. for the current level to stabilize allow a couple of minutes IMI E Level Allow to stabilize Set Figure 4 21 Span Calibration 3 Adjust the span value by pressing AA Arrows on the keypad 4 Press the Set softkey to store the span cal point A screen will appear displaying that you set the span cal point 5 Once your calibration is set intended and actual cal values will appear on the display screen Press Save to store these as your calibration set points amp 7 NOTE if you want to redo the span calibration press the Span softkey and repeat steps 2 5 DE B calibration CALIBRATE CO Pause Previous calibration result Intended Actual New value 500 499 ppm SAVE softkey AO ERA EIN Figure 4 22 Saved Calibration screen 6 Turn the regulator off and disconnect the tubing from the instrument 67 Placement and calibration of sensors Calibrating CO2 AND O2 7 Repeatedly press On Off Esc e until you return to the start screen 8 Press q Arrows to view measurement screens Calibrating CO AND O With the Carbon Dioxide CO or Oxygen O calibration you may perform a zero calibration and a span calibration when the cal gas is connected in the field Each of these screens will be discussed below The CO sensor and O sensor requires a calibration gas a regulator with at least 1 Liter minute flow rate and inert tubing A A zero calibration using a Nitrogen N2 gas is rec
38. from the EVM Series into the software for review and analysis of the data Once the files are downloaded and if Go to Session Finder after Download is checked DMS will open into the session finder page To download please follow steps below 1 To download the EVM data ensure your instrument is communicating properly See communication setup for details 2 From the Start page select the E Download button 3 Select the Air Quality family and the EVM from the Instrument window see 1 Figure 6 2 EVM and downloading EVM Viewing Data The data finder page displayed below is used to view select analyze and create reports after the data is downloaded The data is presented in a bar chart style with measurements parameters displayed on the top navigational bar by family Selecting a session study To view downloaded data from the welcome page click on the AE button and the data finder screen will appear Or select the Data Finder tab if already opened 1 Selecta session by either double clicking on data or click on the session study and select the aflAnalyze button e Family Air Quality EVM data is stored in this family See 1 e Session Study The EVM data is organized by the table headings such as the session study name See 2 Start Time To quickly locate your study by most recent start time click on the Start Time heading and it will sort ascending descending See 3 e Analyze Report Se
39. lift the spherical mirror up and off by using a flat headed screwdriver i Mirror from optical engine Using a clean Q tip gently wipe the spherical mirror in a circular motion Set aside Using a clean Q tip gently wipe around the outer cavity of the optical engine For the photodiode positioned on the bottom of the optical engine gently wipe around the bottom of the optical engine using a clean Q tip cotton ball Photodiode Outer cavity of optical engine Figure 7 8 Cleaning the optical engine Place the spherical mirror back over the optical engine Gently push it into the cavity of the optical engine NOTE if you loosened the d ring and screws ensure the flat side of the d ring is facing the metal ring as you place it back into place If you removed the screws and the d ring this will not apply Tighten down the two screws and d rings with the Phillip s scewdriver 123 Maintenance and Cleaning Impactor care Impactor care The impactor will require periodic greasing and cleaning which is dependent on the density of air particulates floating in the intended measurement environment kJ NOTE The impactor must be greased before your first measurement gt Greasing and cleaning impactors explained below REMOVE TWO OUTER SCREWS DO NOT REMOVE CENTER SCREW USE A SWAB OR PAPER TOWEL TO CLEAN DUST FROM THREE IMPACTORS APPLY A MALL AMOUNT OF GREASE USE SWAB OR FINGER TO SPREAD TO TOPS
40. not zero this indicates the optical engine will need cleaning 2 The instrument is exposed to oily or wet mists 3 The readings are falling lower and lower indicating the mirror is dirty Please see Chapter 7 of the EVM series manual for details on cleaning and maintenance Question how is the EVM 7 and EVM 3 calibrated in the factory Response Solution Each instrument is factory calibrated to the ISO 12103 A2 Fine Arizona Road Dust A factory calibration is conducted with a golden instrument that is calibrated using a certifiable gravimetric sample Quest Technologies recommends a yearly factory calibration Question Do need to calibrate before run real time particulate measurements Response Solution Yes it is recommended to perform a zero calibration in each environment you will be measuring particulates To perform a zero calibration ensure that the zero filter HEPA filter is attached the impactor is well greased and the turret is set to PM Then using the keypad navigate to Calibrate gt PM screen and perform a zero calibration Please see Chapter 4 for specific details NOTE a zero calibration may be used when performing area survey monitoring However if you are testing in accordance to NIOSHO0600 or if you want to measure the actual mass concentration in a specific environment you would run a gravimetric calibration to determine a correction factor referenced to the ARD Question When test collecting real time part
41. ordered the EVM 7 model a Particulate setup menu and a PID setup menu will also appear Time and date setting The EVM uses a 24 hour clock military time and specifies date by day month and year The date and time setting are important elements used as you are analyzing your log data results gt Changing time and date settings 1 Turn on the EVM by pressing On Off Esc e The Start screen will appear see Figure 3 2 for details 22 Setting up parameters via the keypad Checking battery power 2 Ensure Setup is highlighted and press Enter f The Setup menu will appear 3 In the Time Date screen press the W Arrows to select Time field or Date field Note the Day field will update automatically based on the selected day from the date field amp 7 NOTE it will be highlighted when selected 4 Press Enter a to move to the update fields 2 column 5 To change the field values press AW Arrows To move to the next field press the right left arrow key Repeat this step as necessary e To return to the first column field Time Date or Day repeatedly press Enter amp or press On Off Esc e to cancel session 6 Continue to repeat steps 3 5 until all changes have been made MP N setup TIME DATE 09 17 45 Time 05 SEP 2009 Date FRIDAY Day auto fills based on what you entered Figure 3 1 Time Date screen parameters 7 Press the On Off Esc twice to return to the start screen
42. sid itctodires hA Rn Ripa etd buta dnce ihe aped eb diee dvd dh eie LR PAP 81 Figure 5 3 Sample time history data or logged data chart tno raster tra A ve tuti a Dept or cau tr ara al ues tia aad 82 Figure 5 4 Composite measurement screen in run MO NA em enne 83 Figure 5 5 Example of measurement softkey MEUS A Nae nte Rn UR RTT Rcs RM REN Mele a PR EUM MM TUE PEUT UE 85 Figure 5 6 Particulate Measurement sereen d 02 0 Ai 86 Figure 5 7 Selecting a measurements CUA aan 88 Figure 5 8 RH and temperature Measures A A aa 89 Figure 5 9 Gas measurement Screen AA AAA AA A AS 90 Figure 5s10 Gomposite measurement SCHOEN inercial idad 91 Figure 5 11 Attaching Aire robe and measuring Air velocity sons sordo rete ERE DU RURL Ue ELE SRI E tar LR ERU RN ue 92 Figure 5 12 Details of the composite measurement screen esses nennen nenne nnn sanar DN GS tn tenete GANAN GS GS ERES tain GR titio teen inta intesa saei RENEE 93 Figure 5sT15 Selecting TIS SOLS V usus rada edo wa acy a a by bona A atat wedded et Ne aide ut a tta E manana unrs 94 Figire 5s147 Trend Screeri tor PM ODUSDs tae rho rt va a dai tar ct age ai weal eee eate ed 94 Figure os o Pas SOG SIO SEO are patcr Eust ettet A EE oup a 95 Figure 5 16 Past Session with Files selected a os 96 Figure 5 17 Summary screen of a past session ceci roce RR ee dre end au a a eere End res ed Re Rep RU iare RET QNS 97 Flgure Ss18 Deleie Sessio AAA O 98 Figure 5 19 Delete all session
43. the time interval or logging interval Min The minimum measurement over the time interval or logging interval Avg The measurement value over the time interval or logging interval Logging rate interval also called time history data sets the frequency at which data will be logged during a session The settings include 1 5 15 30 seconds and 1 5 10 15 30 and 60 minutes File Configure Manage Tools Help Instrument Communications Data Finder z z T Instrument Configuration 1 m a m ae 3 T P 85 a 2 y 2 Auto Run 9 Security General o Triggering 2 Logging Sy Particulate a Firmware Update dj Configuration Profile Management Family gaging Setup Default Profile Name Date Sound Level Meters Y Level STEL Max Y Min Avg 3 Arizona ordiances 8 8 2011 2 36 07 PM Noise Dosimetry dj L 9 Air Quality e Setup Heat Stress Leedtesting 8 8 2011 2 35 07 PM EY QuestDefault EVM 7 28 2011 10 01 42 AM Logging Rate 1 minute X Instrument Averaging Time 2 Refresh 2 Get Configuration 3 Send Configuration Figure 6 9 Logging EVM setups 109 EVM Reports and Printing EVM and logging settings 8 EVM and auto run setting The EVM has four programmable auto run settings including a timed run a date a day of week DOW and a disabled mode The following Auto Run settings are briefly explained below e Timed Run mode With Timed Run the EVM is powered on and run is enable
44. you can store up to 8 different profiles also called correction factors to reflect the environment or building zone you plan to measure The instrument is factory calibrated to Arizona Road dust In some situations you may want to perform a gravimetric calibration in order to determine the correction factor for an alternative environment This is an optional procedure M NOTE if you do not plan on performing an advanced particulate calibration with gravimetric sampling please see on page 30 With a gravimetric calibration you determine the mass of the particulate you want to measure The particulate mass is then used to calculate a correction factor to the environment you will be measuring The steps below outline a gravimetric calibration For additional specifications on a gravimetric calibration please refer to the NIOSH 0600 standard Gravimetric Calibration Overview Reset the gravimetric and volume accumulators Insert a new sealed gravimetric cassette Measure in the specific location for approximately four to eight hours Proceeding the measurement the gravimetric accumulator on the EVM will display the amount of dust that has accumulated based on the active profile This value is used in conjunction with the weight of the measured dust in the cassette To determine the weight of particulates in the gravimetric filter remove the gravimetric cassette and weigh the contents Typically sent to a lab for results Do no
45. you use a cloth with no fibers 120 Maintenance and Cleaning Cleaning PID sensor 7 Then lower into the PID sensor as displayed below Electrode Pellet and lamp attached Figure 7 6 Fitting Inserting the lamp and pellet 8 Place the plastic Intel sensor casing over the sensor Press firmly to snap it into place 9 Insert it back into the sensor housing as explained in Removing and inserting PID sensor 10 After cleaning you need to perform a zero and span calibration see PID calibration on page 49 Optical Engine maintenance and cleaning The optical engine should be cleaned when the following conditions occur e It will not zero e Exposed to oily or wet mists Readings are falling lower and lower indicating dirty mirror e To clean the optical engine this requires the use of a 1 16 Allen wrench and a Q tip 121 Maintenance and Cleaning Optical Engine gt Maintenance and cleaning of the optical engine 1 Remove the two screws on the optical engine using a Phillip s screwdriver 2 You have two options when removing the screws e Your first option is to loosen the two screws and turn the D Ring so the flat angle is facing the circular metal plate e Your second option is to remove the two screws and D ring and set these aside Screw with D ring Mirror on optical engine Screw with D ring Figure 7 7 Optical engine and cleaning 122 Maintenance and Cleaning Optical Engine 7 Next
46. 1 500 Save 2 Cal before Span cal 2 ZERO SPAN Figure 4 26 Saved Calibration 11 Once saved the display will indicate if it passed You have another option to Retry the calibration procedure by pressing the Retry softkey 12 To exit CO calibration press the Exit softkey 13 Then press On Off Esc ivice to return to the Start screen 71 Placement and calibration of sensors Calibrating Photo lonization Detector PID Sensor Calibrating Photo lonization Detector PID Sensor PID parts per million ppm zero calibration It is preferred to flush the PID ppm sensor with Zero Grade Air for a zero calibration Alternatively you may flush the PID ppm sensor with Nitrogen In clean environments with no presence of toxic chemicals such as in a school setting with no toxic cleaners present applying room air can be used to set your zero calibration point For the flow rate it is recommended to set it at 1 LPM for best response time PID parts per billion ppb zero calibration NOTE for PID ppb sensor The PID ppb sensor may be susceptible to baseline settlement after more than 2 weeks of storage In these cases the PID PPB sensor should be operated in clean air for several hours prior to performing a calibration and prior to performing measurements of low concentration of gases 1000 PPB The PID ppb sensor uses a static base line for the zero offset If the user adjusts zero base line the PID ppb needs to be enabled
47. 18 bits of resolution with stable zeroing results Thus the display resolution appears as 0 01 compared to other brands which display 0 1 Accuracy 5 100ppm Display Resolution 2 repeatability 40ppm 2 Lamp Questions a What lamps will be available 9 8 10 6 11 7 eV Response Solution The EVM PID sensor supports a 10 6eV lamp b Will we offer a moisture trap or hydrophobic filter attachment Response Solution Each gas sensor installed in the EVM including PID has a hydrophobic filter contained in the sensor housing 3 Maintenance Questions a Is the lamp field replaceable Response Solution The PID lamp can be replaced by the user in the field A replacement lamp can be ordered from 3M Part number 074 081 See Chapter 7 Maintenance amp Cleaning of the EVM Series user Manual for instructions on replacing the PID lamp NOTE You need to recalibrate the PID sensor after the lamp is replaced or cleaned b Can the lamp be cleaned in the field Response Solution The lamp can be cleaned in the field with the PID cleaning kit A PID cleaning kit is shipped with an EVM unit if ordered with a PID sensor option A PID cleaning kit can also be ordered from 3M Part Number 074 080 See Chapter 7 Maintenance amp Cleaning of the EVM Series user manual for instructions on cleaning the PID lamp 4 Calibration Questions a Howdo we calibrate the PID Response Solution A PID calibration is a two point calibra
48. 2011 10 01 42 AM Arizona ordiances 8 17 2011 10 26 47 AM Instrument Par Humidity Thresho 75 0 y Save As E 2 Refresh e Get Configuration E Send Configuration 2 A n Figure 6 14 EVM Triggering setup parameters Digital Output Enables the digital output on the device when checked per the mode parameter and threshold settings NOTE only one of these parameters Digital Output Analog Output or Air Velocity can be enabled at one time Analog Output Enables the analog output on the device when checked The analog output will vary between 0 alae ME cl Logic level The type of signal that will be triggered when the parameter and threshold are satisfied It may Also called Mode either be active high active low active high pulse or active low pulse Reference Table 3 3 for on the EVM detailed information The sensor that is to trigger the digital analog output Threshold The threshold at which the sensor will be triggered for the given parameter Air velocity input Enables the Air Velocity Input when checked NOTE This is mutually exclusive with the digital out meaning that only one or the other can be enabled at any given time Sets the units in which the wind speed will be measured either meters per second or feet per minute 113 EVM Reports and Printing EVM and particulate settings LLLI 3 EVM and particulate settings The particulate settings may be programm
49. 3M Personal Safety Division 3M EVM Series Environmental Monitor Simultaneous amp i Particulate and Gas Concentration Measurement Dangers warnings amp cautions 3M M EVM series environmental monitor Dangers warnings amp cautions Danger Failure to observe the following procedures may result in serious personal injury Not for use in Explosive or Hazardous locations This product is NOT Intrinsically Safe Contains built in lithium ion battery pack Do not incinerate or dispose of in fire Do not disassemble alter or re construct the li ion battery Contains Class 3b visible laser radiation source 658 nm nominal 5 mW Do not look directly into beam or view with telescopic devices This instrument will NOT detect natural gas L Warning e Head the manual before operation e Do not store in temperatures exceeding 60 C 140 F and in direct sunlight e Do not immerse in liquids e The Sensors and batteries in this instrument have limited shelf life even if never used e Do not disassemble service or clean the optical engine internal components while power is applied The laser source can hurt you General e Condensation may damage your instrument and its sensors e Anon condensing environment is required for proper measurements e Do not charge batteries outside the range of 0 C to 40 C 32 F to 104 F e Battery run time may be somewhat reduced at lower than 20 C 68 F temperatures T
50. 43 Nitric Oxide Measuring range coo uc ab dla 99 Nitrogen Dioxide Measuring MR 59 OS A Go tare E E T abet 84 unas catu epus iS 84 A OPE 84 Optical engine and cleaning sss 121 OSHA A O adest d To EU 143 QVOHOS T citat iud end tpud E Cun d TRR 15 Oxygen Measuring range vaio 59 Particualtes Urgence 49 Particualtes correction factors A Ee PCM CEDE RETE NETENE 31 Particulate matter DE ed d ta postcode dt Ls 143 Particulate Measurement screen sssss 06 Particulate Sensor SDGOITICAHOPS coder eb MO daa eat 126 Parts ES EE T E 136 Past session PPP re e rete ou 97 Past session Screen d o ido E ida 95 Peak na cates una daaca deren aE 144 PEL BIE II e T 144 Photodiode A totu Co aM tuU ef 144 PID sensor Correction factor setup screen ss 28 PID sensor amp correction factors table 146 PM measurements Extending run time doce iba 87 Power I 14 012 o ERE 84 Deme RR 144 e E 84 DM es 144 Relative Humidity A A EON NON do d co tea 145 Relative Humidity Sensor le AA REM Nacsa uiae 127 Relative Sensitivity Demed A 145 Ixesetting the EV Mision 39 Restoring Default factory settings 38 RH and temperature measurement screen 89 Run a noise S udy uii tette 83 95 Run FOO
51. 58 Inhalable or respirable gravimetric sample 158 Verify the calibration sss 158 Replacing filters which are supplied in the kit 159 What calibration gases or calibration equipment are needed for calibrating sensors on the EVM 163 What is the Path for Gas Toxic CO2 and PID 161 Will the pump always regulate 159 File system MENU caca votes itera enc uon iet detto 97 File Systems properties screen ssss 99 Filtered CO sensor vs Unfiltered Deine NERO M UMEN RM 142 Fire Triangle Bai E Hn areuts ne 142 A O CREE TRE ERE 04 Gas calibration softkeys EXDIAIDeO suo E o abra eese 65 Gas measurement screen sse 90 Gases Cross SN eo arde 60 Gravimetric analysis o A da ERN E ARRAS 142 Gravimetric cassette and filter paper 125 i es 125 Hazardous Atmosphere Defined sse 142 Hydrogen Cyanide Measuring range zuooscelvemie nint voie dirti 99 Hydrogen Sulfide Measuring tabe vd abt Qus bia pp pana 99 Identifying your equipment eeennne 11 IDLH A aes 142 Impactor Adjusting impactor turret setting 51 Greasing and cleaing cesses 49 How it operates eco title ro vi rV 49 Uat 50 Impactors A cte toto tome tomos eds 90 Indicators i e run stop battery Altf
52. D sos csc rcs i calas 15 Run Time A en ere oe ieee ne 26 PRU FING road nolan vd ans 83 Running a study wi MTS 80 A ta gu dea a dto 85 Sensors Cleaning of the PID eee 117 PID sensor with lamp and electrode pellet removed inserted esses 119 Inserting and removing eeeeee 47 PID Removing intelligent sensor casing 118 PID Removing the lamp with removal tool 118 PID maintenance cleaning benchmarks 117 PID sensor cleaning Kit 119 Removing and inserting PID 116 Sensor housing and manifold 48 Seral NUMDETS dado 61 Sensors locations DM iS 48 Setting or changing digital output ssss 35 169 INDEX Settings Air VelOCIU cad idiot oon tsi deco debt utet 36 Correction Tacita 31 Edit profiles for dust calibration 31 Gravimetric Mass and Gravimetric volume fields 30 Particulate Mela at idet aate 30 Particulates ETT 30 Profile Teque across va ids CY E ei 30 Pump enable or disable 33 Resetting the Gravimetric occiso 33 Temperature and air velocity 29 Time and Date see e 21 A NL 23
53. Figure 3 2 Start screen Repeatedly press Aw Arrows until Battery is seieccea In the Battery setup screen it will display the remaining capacity on the battery pack 4 Toreturn to the Start screen press On Off Esc Duce MM w N Battery indicator has all bars representing Battery Level 100 fully charged battery M Indicates remaining battery capacity current battery status Figure 3 3 Battery screen 24 Setting up parameters via the keypad Checking battery power Display language contrast amp key click In the display screen there are three selectable settings including language contrast and key click Display Explanation settings Key Click Table 3 1 Display settings explained With the language setting there are six options including English Spanish German French Italian and Portuguese With the contrast setting you may want to adjust the shading of the display or screen contrast by darkening or lightening the screen to fit the environment you will be operating the instrument in The contrast setting ranges from 1 12 in which 12 represents the darkest and 1 represents the lightest With the key click setting you can turn the sound to on and each time you press a key on the keypad you will hear a soft click sound This can be disabled by choosing the off setting Changing language contrast and key click settings 1 From the start menu press MAW Arrows to select
54. ID Sensor eese nennt rnnt nnn nini nannten neant 71 PID parts per million ppm zero Cala nda totalidad dci 71 PID Pas PEDO PZA CI ido 71 PID Span Cann aUo sd acm n ET a rr eee ea Tide T3 Calibrating relative humidity and temperature eese nennen nnn nnn nnn nnn nnn nnn nitent ta nitate tata ta atat 74 Calibrator STORY chat 76 Verify calibration and drifting analysis ooooccccccc cc TT Chapter 5 Measuring and VIewing coactis dieit dd da 80 Overview obrunning a SESSION iaa 80 Meadas Uli Sd 81 Understanding What data Is ina ios 81 Ud 81 Logged datay Time MSto er eo El E OE ECO ECO E HA R 81 R nning and Stopping sssrin naran ar atada 82 Measurement screens and UN ba 83 A O PO O T alia una teg alia tal 84 About the measurement softkeys idos 85 PartiGulate MEd SUPEMIE It SCHOGM aa 86 Impactors and particulate Measures 07 Extending run time for PM me amp surements 5 te ki d erga E vni EY X vRi ERR RUIN RR RURAL RE RE RE ARIAS AAs 87 Changing particulate measurements dridco 88 Relative humidity amp temperature measurements eese eese eene ne nete tn tete tenete tette tete tn tete tette sese sete sete sese sete 89 Relative humidity and temperature SOFBeD cs Riot eel eod re RED ovem ede bie ev t eR e DA o RS 89 Gas Measurement 90 GAS SCCM PR E O OE E O CO E o Hm tint 90 Composite messurement
55. Meters Noise Dosimetry i Leedtesting 8 8 2011 2 35 07 PM 9 Air Quality 9 Timed Run Heat Stress Default Profile Name Date WU Enabled Date Day of Week Arizona ordiances 8 16 2011 1 54 07 PM QuestDefault EVM 7 28 2011 10 01 42 AM Instrument E Timed Run 72 Date li Day of Week Timed Run Duration os 00 00 y Save As b Save Refresh e Get Configuration E Send Configuration e Lond A Dotes FY Rename Figure 6 10 EVM Timed Run Auto Run setting Date and auto run setting To enable Date mode please follow below 1 Click on the Auto Run tab see 1 from the EVM s Instrument Communications panel 2 Click in the 4 Enabled checkbox and click in the 3 Date field See 2 3 To enable or activate a Date setting click on the Enabled for Date 1 See 3 e To set the start date either use the icon or type in a date value e To set the start time and duration either use the brows or type in a numeric values 110 EVM Reports and Printing EVM and logging settings 4 To enable additional date settings Date 2 Date 4 repeat step 3 5 To set the auto run click on i sena contouren or save and send to the EVM for more details see Saving and sending configurations Fie Configure Manage Tools Help Instrument Communications a Secunty y General o Tnggenng 2 Logging Particulate i rime Update dj Configuration Profile Management it
56. N PA Gis 7 Lor NENNEN O7 08 30 He Mizi olol Dlo z JJ o O O1 Po no Oo A ABO RB 0 a o nm nm O omg o o O A aloo Y NN ao N CO NJ N dE e Ee gt O O ario o o w o olaiijolo gl O O O O O O O O O O O 153 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used to factor sensitivity PID convert ppm 9 Yo ppb measurement o mg m Mercury alkyls t BENE Mesitylene C9H12 Methacrylic acid Methacrylonitrile Methane Methanol Methoxyethanol 2 Methoxyethoxyethanol 2 Methoxymethylethoxy 2 C7H1603 propanol Methoxypropan 2 ol Methoxypropyl acetate Methyl acetate Methyl acrylate Methyl bromide Methyl cyanoacrylate Methyl ethyl ketone Methyl ethyl ketone peroxides Methyl formate Methyl isobutyl ketone Methyl isocyanate Methyl isothiocyanate Methyl mercaptan Methyl methacrylate Methyl propyl ketone Methyl salicylate Methyl sulphide Methyl t butyl ether Methyl 2 propen 1 ol 2 Methyl 2 pyrrolidinone N Methyl 4 6 dinitrophenol 2 Methyl 5 hepten 2 one 6 Methylamine Methylbutan 1 ol 3 Methylcyclohexane Methylcyclohexanol 4 Methylcyclohexanone 2 Methylheptan 3 one 5 Methylhexan 2 one 5 Methylhydrazine Methyl N 2 4 6 C7H5N508 3 0 tetranitroaniline N CO O O CO O R 3 3 rec JJ N 0 2 5 200 2 0 7 z l Al l Sl JJ OIOIAININIO oo Z JJ O o ejO O O1
57. ON A selected menu is indicated by the UNIT INFORMATION shaded text soren desciotio gt for measurements press A note explaining how to access the measurement screens by pressing the right or left arrows Figure 2 3 Start screen defined 15 Turning on Navigating Navigating Once the EVM is powered on press the Up Down Arrow ANE Key to select a menu or to edit a field Press the Left Right lt Arrow Key to scroll through measurement screen start screen or to move right or left in a menu i e setup menu Press Enter a Key to open a selected screen i e Setup screen It is also used to save Setup parameters The On Off Esc Okey also functions as a navigational tool and is used to move back one screen or escape It can be used if you are viewing a Setup screen File System screen Calibration screen or Unit Information screen At any time you can cancel a set up change file system change etc by pressing the on off esc key Indicators Icons on the display The EVM is equipped to notify you of operational status updates These indicators or alert notices are located at the top of the screen Table 2 2 explains the function of each indicator Indicator Explanation Icon Stop indicates the instrument is currently in the stop status opposed to run o Run indicates the instrument is currently logging a session study EN II batteries A full battery indicates the instrument is fully charge
58. Outlet Used to connect a primary standard calibrator with tubing Figure 4 14 Pump flow rate calibration Flow rate calibration Connect the flow meter i e primary standard and inert tubing to the EVM Turn the EVM on by pressing On Off Esc e Select the Calibration menu by pressing the Down Arrow until it is selected and press Enter f Select Flow Rt flow rate by repeatedly pressing AMY Arrows key until it appears Press the CAL softkey and then press the Start softkey 59 Placement and calibration of sensors Toxic gas sensors WU al 1 67 lpm is the recommended flow rate to Flow Rt y mirror with Calibrating Percentage of air flowing through the pump 48 6 a Figure 4 15 Flow Rate Calibration 6 Manually adjust the flow rate as needed by repeatedly pressing the Up Down key to select the desired level 7 Press the Save softkey to store this as your flow rate calibration The flow rate summary will appear M WOTE you may wish to repeat these steps if the desired level was not achieved Press the Cancel softkey to stop the calibration Next press the Retry softkey and repeat the calibration steps to re cal the flow rate 8 Press the Exit softkey to exit this screen The pump will turn off 9 Press the On Off Esc key to return to the start screen Toxic gas sensors The gas sensor chamber will allow you to measure any one of the single toxic gases listed below Please refer to Appendix A for de
59. PPB span calibration please refer PID ppb note on page 71 if the sensor has not been used for over 2 weeks If you are proceeding from the Zero cal section the screen you will be viewing is the Calibrate Pause screen If you closed the screens refer to the Note in step 1 PID Span Cal 1 From the PID Calibrate Pause screen press the Span softkey on the keypad M NOTE To navigate to the PID Span cal screen select the Calibration screen Select PID using the up down arrows Then press the Cal softkey Zero and Span softkeys will appear It will look similar to the screen below but it will not have the intended actual zero cal set points displayed Please see step 2 to proceed TIN E Calibration CALIBRATE PID Intended and Actual Pause Zero cal set point results Span Intended Actual 0 00 1 01 ZERO ela Figure 4 29 PID Calibration Span softkey 74 Placement and calibration of sensors Calibrating relative humidity and temperature 2 Adjust the span value by pressing AW Arrows once the sensor has warmed up 3 Apply the gas at full flow rate while observing the Level field on the display Wait for the current level to stabilize allow a couple of minutes 4 Press the Set softkey and it will state Cal set point stored 5 Once your calibration is completed a Save screen will appear with the details of your parameters amp 7 NOTE if you want to repeat the span cal press cancel and a message wil
60. See A below A Zoomed out Magnify softkey B Zoomed in Magnify softkey 1 22 ra 950 l hp mg m 75 1099 ppm DEW PT 901 ppm mg m Figure 5 10 Composite measurement screen To change the composite measurements view 1 Pressthe Select softkey Trend softkey or the Detail softkey See Viewing summary details or Viewing trend data for more details 2 To zoom in on the results press the magnify softkey see B 92 Air velocity meaursurement screen Composite screens Air velocity meaursurement screen AirProbe bracket attachment Output Pull back rubber covering in order to plug in cable There are a couple quick steps to ensure air velocity is setup and that the AirProbe is attached before measuring 1 The air velocity setting is enabled in Setup AUX Air Velocity screen See Air Velocity Setup in Chapter 3 for more details 2 Connect the AirProbe bracket attachment to the backside of the EVM Attach the AirProbe to the bracket Next plug in AirProbe plug from the AirProbe to the digital output on the instrument See AirProbe output below Note it is optional to attach the AirProbe to the bracket on the instrument 3 Turn AirProbe switch to On 4 Navigate to the Air Velocity measurement screen using the 4 Arrows 5 To log air velocity data press the Run Stop key Connect AirProbe to the back housing two inlets located near the air flow outlet See air
61. Select either or both to restore all factory cals settings Restore Factory Cal Figure 3 17 Defaults screen restoring factory settings 3 To restore the Factory Calibration ensure this is selected and press Enter e To restore defaults for a selected sensor s select a sensor using MW Arrows and press Enterf In the pop up screen select Yes via the Left Arrow or No to cancel and press Enter Y Repeat as necessary to restore each selected sensor e To restore all sensors select All Sensors via up down arrows and select Yes in the pop up screen or No to cancel Press Enter I E ALL SENSORS Yes or No with the screen prompt and press Enter key Restoring Default Cals nd os Select a sensor Choose restore pm gt Figure 3 18 Restoring default calibrations 39 Setting up parameters via the keypad Backlight setting 4 To restore the Factory Settings press W Arrows to select and press Enter f e A Restore Factory Settings pop up screen will appear Press either Yes or No with gt Arrows and Enter to confirm Backlight setting A key on the keypad is dedicated to turning on or off the backlight feature When turned on the backlight will illuminate the screen from a dark gray to a light gray color This feature has two levels of brightness When turning on click the backlight key once for a lighter backlight Press a second time for a darker contrast To turn off repeatedly press the bac
62. Setup and press Enter 2 Repeatedly press the Ww Arrow to select the Display menu and press Enter 3 To select a field in the display screen press MAW Arrows to select one of the fields Press Enter e to move to the 2 column changeable field 4 Please follow the fields that apply e To change the Language press MAW Arrows to select a specific language Press EnterfB to move back to left column or escape to cancel selection e To change the Contrast press AA Arrow repeatedly or press Ww Arrow repeatedly to decrease the contrast setting Press Enter selection to move back to left column or escape to cancel 25 Setting up parameters via the keypad Setting logging and viewing run time e To change the Key click sound setting press ANE Arrows until On Off is displayed Press Enter f to move back to the left column or escape to cancel selection MP setup DISPLAY Display fields LANGUAGE ENGLISH Select the field via CONTRAST 6 up down arrows KEY CLICK OFF Press Enter To change 2 column press up down arrows select a language 2 Figure 3 4 Screen display settings 5 To return to the Start screen repeatedly press On Off Esc Setting logging and viewing run time With the logging screen you select the logging interval i e 1 min data logging the averaging parameter i e a type of data filter and which parameters will be logged and stored into memory An optional field Run T
63. Y Remember once you return to the start screen you can press the right or left arrows to toggle through the measurement screens Checking battery power The battery power is supplied by an internal lithium ion rechargeable battery pack with a minimum of 8 hours of continuous operation MM NOTE the battery pack is not user replaceable and would need to be changed at 3M or your authorized dealer 23 Setting up parameters via the keypad Checking battery power The battery screen is used to determine the battery capacity status When operating from the battery you can check the remaining capacity of the battery pack at any time by accessing the Battery screen Additionally a battery indicator will be present on all screens to notify you of the remaining battery capacity If the battery indicator is at 100 it will look similar to the Figure 3 3 below If you are charging the battery the battery screen will display battery is charging with an updating indicator bar The battery power percentage will update accordingly Check battery power 1 From the start screen highlight Setup by pressing Aw Arrows and press Enter e NOTE If viewing a measurement screen press the right left arrow until the start screen appears MM N v9 START FILE SYSTEM PAST SESSION SUMMARY SETUP Start screen Setup menu is selected UNIT INFORMATION for measurements press Measurement screens Press right or left arrow to view
64. a Time history minute intervals as set up in the EVM monitors via the logging screen Time History data represents measurements that occurred over the most recent time period which is the logging interval For example if the log interval is 1 minute then the maximum value is the highest value for that 1 minute and the Lavg value is the average value for that 1 minute i NOTE DMS has two default logged data charts that appear temperature and humidity on the first logged chart and Dust and CO data on the second logged data chart If you do not have those sensors installed they will not appear In DMS to view different sensor measurement parameters on the logged data chart click on the amp Configure and click in the specific sensors checkboxes dEDODODOhssaqa Qr AO Dealers Particulates wo Will display max and low peaks in logged data chart CO data 1400 22 February 2010 Figure 5 3 Sample time history data or logged data chart Running and stopping When running a session the pump will automatically turn on during your logging run if particulate is enabled This is explained in the Particulate setup section page 23 At any time you can turn the pump off disable if you are not measuring particulates or the environment is extremely dirty and you wish to keep the pump clean Simply press the particulate key as indicated in Figure 2 2 to turn this feature off To page through the measurement
65. aM IRA RACES A Nt A oA RM e 42 FRU BCI AGUS CET m THOU ii 42 Auto Ttun with date Ml iue anoo anie uod bana iS nca AAA n ta Sus tu 43 Auto run with day of week DOW mode rrr treten rien ier rene rere rarae ra Gs a e ru EE reed 45 Chapter 4 Calibrate SONS ONS aca wesc cle dot ea fede ra bv AA 47 Placement and calibration Of Sensors ui 47 inserting and FEMOVING Senso osa toca 47 Calibrating particulas o UE 49 A EE 49 Adjusting ea 50 Rarticulates calibration Zero Calar iaa nha etch nh aia asia 52 Particulate Advanced Calibration Gravimetric essent 56 Sravimetic Calibration OVE WICW AAA 56 Penomno agravimene FOU DT agas csi t es t n t e e t E e E E e o t P D etd 57 PUMP TOW rate calbration ra oia 58 TOXIC gaS Senso Saa arate tare a nesaaaa at enedetanseabet ce ecaunal a A nnmaah a tactenanenye 99 CIOSS SEDSIUVIL V sd eani EOD GU SUD NOU EOD NEG UD SG eU Sco eb cu co ecu CoD talc eC ecu eco aah cd con eben 60 HOW ET ESTE CURRERE 60 A E hac eB aetna oa te 60 About sensors and calstefagB used tiit dete wd ete reat obo dd ide rU dud dais 61 Calibration history and sensor serial numbers taa 61 Apong agas Senan o 62 eciam EECIUCM 63 TOXIC GAS ZENO calada ada datada 63 Ozone calibration A ut use rset aad hag D UM uL haba ete cunt EE 63 TAIANA cido 65 vi Table of Contents Calibrating C OZ ANDORRA n od 67 A E A A E E 67 Calibrating Photo lonization Detector P
66. ability Engulfment This is the surrounding of a person by finely divided solids or a liquid A worker in a storage tank filled with sawdust for example could fall into an air pocket be completely surrounded by sawdust and suffocate to death 142 Appendix B Dust monitoring Dust is typically known as a type of particulate matter or an aerosol with a miniscule diameter of 0 1 um upwards Filtered CO sensor vs Unfiltered There is a high cross sensitivity between CO and H2S A filtered CO sensor lessens the sensitivity of the sensor to H2S Fire Triangle A term for the three components required to start a fire fuel oxygen and ignition Gravimetric analysis Describes an analytical chemistry methodology for determining the quantitative mass of a solid The EVM collects particulates in an internal gravimetric sample holder that are filtered collected and weighed to determine the severity of the worker exposure Hazardous Atmosphere Means an atmosphere presenting a potential for death disablement injury or acute illness from one or more of the following causes a A flammable gas vapor or mist in excess of 10 of its lower explosive limit LEL b Anoxygen deficient atmosphere containing less than 19 596 oxygen by volume or an oxygen enriched atmosphere containing more than 23 5 oxygen by volume C Airborne combustible dust at a concentration that meets or exceeds its LEL airborne combustible dust which obscures visio
67. address the different means by which a person may be exposed to a substance TLV s are specified by ACGIH the American Conference of Government Industrial Hygienists TLV s are guidelines prepared by ACGIH and are solely concerned with health risk They do not address economic considerations TLV s are not regulatory but rather are advisory See PEL and TWA which are specified by OSHA VOC Volatile Organic Compound A type of air pollution that is a carbon containing chemical which is typically vaporized at ambient temperatures Some examples of VOC s include biological agents mold dust mites etc carbon monoxide formaldehyde second hand tobacco smoke On the EVM VOC s are measured in air by using the Photoionization detection PID sensor APPENDIX 146 Appendix C PID cal correction factors C Appendix C PID sensor and correction factors tables The following chart details approximate correction factors or response factors for specific concentrations of VOCs It is recommended for best test results to calibrate the PID sensor with the relevant VOC you intend to measure Tf this is not possible the factors listed in the table provided by Ion Science can be used when calibrating the PID sensor MOTE these are approximate values so for best accuracy you should calibrate with the relevant VOC Please refer to Ion Science for details on linear range accuracy and table explanation The table includes six column
68. age With the EVM you have the option to save the configurations either on the instrument and or store the configurations in DMS Note if you save the profiles in the software this can be used as a time management tool to organize and save all the setups for future use Please note that there are five different models with different features and functionalities Some of the setup parameters may not be applicable to your model Please refer to the user manual to understand the models in more detail Saving and sending configurations With the EVM there are saved setup profiles used to quickly f s i 3 9 yy Below explains how to save configuration settings in DMS and how to send to the instrument Note if you wish to only send the setup please skip to step 3 Please refer to this section as you setup your instrument 1 To save the EVM configuration in the software click on a name in the Configuration Profile Management panel See 1 Note The name will be shaded a light gray when selected e To create a new profile name click amp s veas and type in a profile name Click Save It will save under the configuration profile management panel mE 2 Click on the button see 2 and type in a Name Click Ok e Note This saves the configuration file to the NoisePro 3 To send to the instrument click on the Detection Management Softwa File Configure Manage Tools ETA Help t Communications Click o
69. alled the manifold will be placed over the sensors Remove this by pulling it out of the housing and set aside Placing your fingers on the middle sensor PID sensor gently tilt the front of sensor up as you pull the sensor out with your thumb and index finger Place to the side Sensor bar Screw 2 Screw 1 PID sensor located in the middle of the sensor housing AN i LA te i A Figure 7 1 Removing and inserting PID sensor To insert the PID sensor line the pins up to the circuit board and lower it vertically down and gently push it into the sensor cavity It will fit snug To reassemble place the manifold over the sensor housing and then place the sensor bar on top of the manifold and sensor housing Tighten down the two screws Then please see the Calibration section to perform a calibration with the newly installed sensor on page 71 117 Maintenance and Cleaning Maintenance and cleaning overview of PID Maintenance and cleaning overview of PID Periodic maintenance is encouraged to ensure accurate VOC measurements Typically in a clean air environment where VOCs are low with few particulates cleaning and calibrating is recommended on a monthly basis or even less frequent Conversely if you are in an environment with high concentrations of VOCs with aerosols and high particulates you will want to check the calibration frequently and clean the components When the PID loses sensitivity you will want to
70. alog output on the device when checked The analog output will vary between 0 5 volts based upon the minimum and maximum levels for the particular sensor 1 Click on the Triggering tab see 1 from the EVM s Instrument Communications panel 2 To set the Triggering for Digital Output or Analog Output please follow below e Click in the Enabled box to turn on Trigger digital analog output e For the Logic level click the arrow to select a level for digital output only e For the parameter select one of the sensors note for air velocity verify the sensor is attached to the EVM and selected in the General panel of DMS e For the threshold type in a value for the selected parameter or use the lto select 112 EVM Reports and Printing EVM and triggering settings 4 To set the triggering setup click on or save and send to the EVM for more details see Saving and sending configurations ageme File Configure Manage Help Instrument Communications Data Finder Li Instrument Configuration a Y 72 Auto Run 3 Security m General Triggering Brticulate a Firmware Update 4j Configuration Profile Management Family Digital Output Setup Analog Output Setup Default Profile Name Date Sound Level Meters j xe of Trigger Enable Enabled Trigger Enable nabled s pun ae cj Leedtesting 8 8 2011 2 35 07 PM ir Quali Heat Stress Logic Level Active High Parameter E QuestDefault EVM 7 28
71. analog or digital out connection Response Solution Using a Stereo plug as the example shows below connect the analog tip of the plug to the analog digital output port Figure A Use Diagrams below to connect external device Please contact 3M technical support for stereo plug details Figure B Input Output Port Digital Middle ring Ground User connector outer ring end e g fora chart recorder or for a light notification device Analog tip Figure B Stereo plug Stereo Plug Specifications See Figure B above 0 5 V TIP Analog Out 100 Q Middle Ring Digital Out y User supplied pull up Supply 2 to 5 5V Resistance 1KO to 10 KO Max Sink Current 10 mA Outer Ring Gnd reference Type Shielded Temperature 60 C Voltage Rating 24VDC Conductor 26AWG 12mm x 10 Copper Wire with PVC Jacket Brass Tip Insulator ABS Body amp Jacket PVC Wire Color Plug Tip White Ring Red Sleeve Coding Shielding 161 Appendix D FAQ s PID Questions for Volatile organic compound measurements 1 Measuring range and display The difference between Accuracy and Resolution is as follows 1 Actual accuracy resolution and repeatability are related to the full operating range from 0 to 2000ppm 2 Resolution also called the Display Resolution will display 0 01 resolution when less than 20ppm This is due to 3M s ability to program a low noise sampling system that provides
72. aneously a selection of optional nine toxic gases Carbon Dioxide combustible gases and VOC s Gas sensors and path 3M s unique smart sensor technology includes automatic sensor recognition calibration levels temperature compensation information and other valuable data that travels with the sensor from one unit to another The following diagram illustrates the gas sensor path for Toxic CO and PID sensors It also identifies the temperature sensor for additional analysis measurements 1 AIR INLET COVER The path begins with the air pulling through the air inlet cover 2 GAS SENSOR CHAMBERS The air continues through the gas sensor bar passing the Toxic PID and CO sensor chambers 3 Fan Itis continuously ventilated by the fan NOTE when the pump is off the fan can be heard near the louvers on the back cover 4 Temperature sensor Measures the ambient air temperature Temperature sensor LU Pie 2d as sensor s path Fan Very quiet Figure 1 3 Gas sensor path illustration 6 Volatile organic compounds VOC s sampling Gas sensors and path Volatile organic compounds VOC s sampling According to the American Lung Association Volatile Organic Compounds also referred to as VOC s are one of the top Indoor Air Quality IAQ pollutants These include e Biological agents mold dust mites etc e Formaldehyde e Second hand tobacco smoke e V
73. aried industrial hazards on the working population and promulgating regulations to control their harmful effects OSHA The Occupational Safety and Health Administration in the United States A division of the Department of Labor charged with dealing with the health and welfare of the working population that issues guidelines and legislation to control the hazards at work Particulate matter PM Particulate matter also referred to as total suspended particles TSP consists of tiny inhalable dust which can be man made or natural A wide range of particulates include the following pollutants road dust the burning of fossil fuel diesel soot environmental fires forest or grassland power plants and wood smoke These particles are a mixture of visible and microscopic solid particles and tiny liquid droplets referred to as aerosols e Thoracic dust PM10 is the fraction of PM containing particles that are small enough to pass the PM10 impactor 10mm e Respirable dust The cut points for respirable dust are PM4 4 microns PM2 5 2 5 microns 144 Appendix B Peak The highest level of toxic gas or oxygen reached while the unit is on PEL Permissible Exposure Limit Permissible exposure limit PEL s are a regulatory limitation to exposure used to specify the allowable exposure to a substance in the workplace and assume that the exposure takes place over an 8 hour shift in a 40 hour work week Note that there are more stringent expos
74. as the zero gas for operation If this is not possible pure bottled air Nitrogen is recommended should be substituted About Zero Calibration A Zero calibration is advised each time you log a session to adjust for drift in the sensor s sensitivity which occurs over time and after use About Span Calibration A span calibration proceeds a zero calibration and is used to set the linear measuring range The span should be a sizeable fraction of the selected full scale range of the gas 164 Appendix E System errors displayed on the EVM Appendix E System errors displayed on the EVM series There are two types of pop up notifications that may appear on your instrument e Monitor system errors The EVM is equipped with numeric system errors which range from 101 108 If a numeric system error appears please call 3M for Technical Support and Service Noting the System Error code is very useful for the call e Monitor errors Pop up screens may appear as you are using the instrument These are to notify you of various errors cautions statements All of the errors are listed below with an explanation Please press Enter and adhere to the monitor warning screens If you have any questions please call 3M for Technical Support System errors displayed on the EVM series Monitor Errors Explanation Battery charger disabled The battery is either to hot or to cold to charge at current temperature Battery charging failure If this ap
75. ast 8 hours with continuous setup time run time and viewing your results time NOTE the battery is not user accessible or user replaceable Battery life time is estimated at 500 charge cycles or around 3 years of use before you will need to replace the battery pack Alarm outputs 1 Question Is there an alarm output Response Solution The Digital Out or digital output can be configured for any installed sensor at user specified threshold General Mechanical 1 Manifold positioned over sensors What is the long black plastic bar over the sensors and how is it used How is it used The manifold is used to improve response time during the calibration process and use running logging and viewing measurements 2 What is the Path for Gas Toxic CO and PID Please refer to Figure 1 3 in Chapter 1 162 Appendix D FAQ s CO2 Sensor and how to reorder 1 How do I order reoder a CO senor Since the CO sensor vendor changed in June 2012 there are two CO sensor options to order reorder depending on the model you purchased To determine the appropriate CO2 sensor part number do one of the following Method One Removing the CO sensor from the EVM housing Sensors Locations and Removing The diagram below is based on the EVM 7 model e NOTE Verify the unit is off and unplugged from the power cord before removing or inserting sensors 1 Remove the sensor bar via the screws and manifold 2 Remove the CO2 sensor by g
76. change the electrode pellet NOTE due to the increased sensitivity of the PID ppb sensor it is recommended to replace this pellet more often See Appendix A Accessories and adapters for details The following are three recommended maintenance cleaning benchmarks recommended by Ion Science 1 After performing a zero calibration the baseline climbs You should replace the electrode pellet 2 Under highly humid conditions replacement of the electrode is needed 3 Ifthe baseline is unstable or shifts when you move the PID then cleaning is needed Cleaning PID sensor Cleaning of the PID sensor requires removing the plastic intelligent sensor casing removing the electrode pellet and removing the lamp Once removed the lamp is cleaned off with the cleaning kit solution The flowing procedures explain how to clean the PID sensor components Removing and Cleaning the sensor 1 Remove the PID sensor follow steps outlined in Removing and installing sensors 118 Maintenance and Cleaning Cleaning PID sensor 2 Using a flat headed screwdriver gently pry open the plastic intelligent sensor casing where the small rectangle crevice is on the backside of the housing Using some force lift the top off the bottom section is glued in Remove intelligent sensor casing Figure 7 2 Removing intelligent sensor casing with PID 3 Using the pellet removal tool displayed below insert into the side crevices and plac
77. cluding a timed run a date a day of week DOW and a disabled mode The EVM is shipped with the auto run set to the disabled mode Each mode has more than one setting and is denoted by the plus or minus softkey symbols When an alarm is activated or programmed a plus sign appears The default alarm mode is set to an off mode and is denoted via a minus symbol i e Auto run and timed run mode With timed run you manually start the run via the run key and it will automatically stop based on the programmed duration gt Setting auto run with timed run mode From the Start screen select and open the Setup screen 1 2 Select Auto Run by pressing W Arrows and press Enter 3 In the Auto Run screen press enter to select Timed Run If it is not displayed press MAW Arrows repeatedly until selected 4 Next press the ONE softkey or select View Set Parameters mS Auto Run and Timed Run settin e Select Timed run by pressing Enter and then press Up Down arrows to move through the menu AUTO RUN Timed Run Timed Run softkey VIEW SET PARAMETERS e Select first softkey to access the Timed run screen Ee E A DNNNENENN Figure 3 22 Selecting auto run with timed run mode 5 In the timed run screen press Enter to select the duration field which is displayed in hours minutes and seconds 43 Setting up parameters via the keypad Auto run 6 To change the duration pres
78. ction factor from 1 to 2 Dust correction factors profiles When setting up the particulate parameters it is good to keep in mind that the user defined profiles or correction factors are a submenu of the particulate menu Because of this layout the following section explains how to change the profiles correction factors and apply a new profile Setting dust correction factors profiles 1 From the Start screen select the Setup menu by pressing ANE Arrows and press Enter ff 2 Press W Arrows repeatedly until Particulate is selected and press Enter a The particulate setup screen will appear 3 Ensure Particulate is set to Enabled If not press W Arrows to enable and press Enter to return to the first column 4 Select the Profile field by pressing MW Arrows and press the Edit softkey NE M Profile Select this field and Setup PARTICULAT then press Edit softkey to modify the Profile PARTICULATE Enabled screen PROFILE 3 COAL DUST GRAV MASS 0 000 mg Edit softkey GRAV VOLUME 0 00 me Visible when profile menu item is highlighted Figure 3 10 Edit profiles for dust calibration 32 Setting up parameters via the keypad How particulate factors are adjusted and calculated 5 Press the Edit softkey and the Edit Profile screen will open WIN Profile name PROFILE 3 Baa Optional customize the FACTOR 3 0000 profile name Factor Figure 3 11 Entering a profile for particulate calib
79. d Pause The pause indicator is shown during the 5 second countdown to prime the airflow prior to entering the run mode when a log session is started OL Overload vill appear whenever the level measurement exceeds the range of the instrument Altf key Alternate Function key this icon appears below the Battery Charge Indicator when alternate functions are being displayed For example this is used in the Trend screen to view the time history on the chart UnderRange will appear whenever a level measurement is below the range of the instrument 00 00 00 Run Time displays the current elapsed log session run time When elapsed time is less than 100 hours time is displayed as HR MIN SEC When the elapsed time has exceeded 100 hours time is displayed as HR MIN where HR uses 4 digits and MIN uses 2 digits Table 2 2 Indicators i e run stop battery Altf 16 Turning off Unit information screen Turning off When turning off the EVM ensure you are in stop mode A stop indicator will appear on the top left next to the battery charge status icon If it is in run mode stop the session and then proceed below 1 From any measurement view or the start screen press the On Off Esc 9 2 3 2 and 1 countdown will appear as the EVM is powered off Continue to press and hold until the instrument is powered off M NOTE to cancel the shutdown process release the On Off Esc key and it will return you to the
80. d The EVM will automatically stop based on the programmed duration e Date mode With Date mode With the date mode it will wake up the instrument from a powered down or on condition runs the study saves it then powers down again Up to four date settings are programmable with a specified date time in hours minutes seconds and duration via the softkeys e Days of week mode The days of the week DOW setting is a pre programmed weekly auto run with a specified day start time and duration with two auto on settings The programmable settings include a day of the week start time and duration Timed Run and auto run setting To enable the Timed Run mode please follow below 1 Click on the Auto Run tab see 1 from the EVM s Instrument Communications panel 2 Click in the Enabled checkbox and click in the 3 Timed Run field 3 Ensure Timed Run tab is selected see 2 below and select the Duration by either using the brrows or type in a duration value a Send Configuration 4 To set the auto run click on or save and send to the EVM for more details see Saving and sending configurations lil Detection Management Software BETA File Configure Manage Tools Help Instrument Communications Data Finder pe Instrument Configuration Be Auto Run 3 Security General g Triggering A Logging s Particulate a Firmware Update dj Configuration Profile Management Family to Run Mode Selection Sound Level
81. d 15 Table 3 1 Display Sedinas eXDIAI DOT ESAA v E VR Ra EM d PPM EE e M EE 24 Table 3 2 Logged intervals and selecting logged measurements eeeeeseessseeee nennen nnne nennen nennen nans 26 Table 3 3 Digital OUV LOJI SOLITOS cec nt atando AAA EA EEE AA A ToU RUE uv DES t eren ra ul AAA 35 Table 4 1 Cross sensitivity table of MISCO 4 4 REOR FREE RS LEON PR PES PERPE ERU IE NE cus Sauces SS EN D I NORD DESDE 60 Table 4 2 Gas callbratio Ee EE eI RPM 65 Table 9 1 Unit abbreviations 5s EE EUR RAT da Rr rax Ebro ssi toa E CLAUDE EAE cera doe Chases fere AN Siu end ds 84 Table 5 2 Measurement softkeys explain o Lade EU e EE RP breed Ma ia aid 85 Table 5 3 Measurement values 6x Plated 555 ss kaco pere np nora ptr O 89 Table 5 4 Past session files SoTKkeyS eXpIAl fled annia ans t P eh dae dae dde ta no obe alt S ufo hl b ERU 96 CHAPTER Introduction Particulate path A Introduction The EPA Environmental Protection Agency conducted a study over the last 25 years 1975 2000 and determined that 107 measurable air pollutants specifically carcinogens exist in working environments Combined with the advent of closed windows modern office buildings and various cleaning solvents the outcome has been energy efficient buildings and homes which contain levels of carcinogens At high levels this is known as Sick Building syndrome and can cause acute effects such as
82. d correction factors tables eese eene rennen nere tn trans ta tuta tna n aa rate ta sauna nasa sass 146 Appendix D FAQ s particulate measurements ic coii nerit ci bar s Dar rH era de EV dava e at RR UR DVD VR E 158 Appendix E System errors displayed on the EVM series eseseeeeeeeeeeeeenenene rennen nennen nnn nannten tn naa sanata tnn ana na nans 164 List of Figures Figure dT Particulate path dardo ia 2 Figure 122 Particulates and diameter SIZ A van Rd de er RU RR 3 Foure 2f us a IT YOURS CUM IU RR isis 11 Figure 2 2 EVM Keypad and dispiavexplalligQ ost dmi a S REOR o ep eed tata 12 FUGUE 32 gt iss teal AS GEC UY CLS TII O Soap ead dod ila rn RU vt Russ COR UA UR A DU UNA PET S dU oU d n e dion bern en near aoa TOT Ri at RE eo AUR 14 Figure 2 4 MVE Information Screenin ut den Ru elie eui ad RON een att ead atico aa eut tu fet a ag ra Re d OM OB ar RT 16 Figure 2 952 SEIS UG DIEI TO SIN SONS nosse freies in n frat bar cur etse ue fo cba run i sca t iue o UN ala e 17 Figure 2 6 Viewing installed SONS A A e 17 Figure 2 7 Communicating with DMS via USB cable n a ipai ews OY RE Nen o 18 Figure 2 8 USB power jack and digital output port s a A edt ru eria e p n Dr da 19 Figure 3 14 Time Date screen parameters rra AN eiii 22 Figure Sea tart so Md taa cado 23 Figure 39 Batey SON A A AA AA pa an Sn tele uS aa 23 EIgure 3 47 Seres display Sells oleada 25 E A A RR RN 27 Figure 3
83. de Off indicates the measurement will not log when in run mode The measurements include the following Level instantaneous or averaged measurement STEL short term exposure level calculated over last 15 minutes Lmax maximum measurement during log interval Lmin minimum measurement during log interval Lavg average measurement during log interval and TWA time weighted average measurement during interval I NOTE See Table 5 3 for more information Run Time Depending on the logged parameters that are turned On for data log and the log interval the Estimated Run Time screen will display the total remaining run time For example if you wish to log all parameters the overall run time will decrease significantly If you would like to extend the run time to a longer duration logging one or two parameters would be advisable Table 3 2 Logged intervals and selecting logged measurements Setlogging intervals logging attributes amp view run time 1 From the start menu press ANY Arrows to select Setup and press Enter B Select Logging and press Enter 2 To change Logging Interval or Averaging follow below e Press AW Arrows to select Logging interval or Averaging e Press Enter to move to the changeable field and then press ANE Arrows e Press Enter B to return to the 1 column and save your settings 3 To enable disable logging follow below e Select a measurement by pressing Aw Arrows e Once select
84. ded to calibrate on a regular basis for best results You will want to perform a zero cal and a span cal or adjustment to properly calibrate a toxic sensor 3 IMPORTANT The zero and span adjustment procedures for oxygen are different than other gas sensors A CAUTION Due to the presence of toxic gas during the calibration process appropriate safety procedures should be followed A Additionally you will want to ensure that your calibration is performed in an area known not to contain hazardous or interfering gases if ambient air will be used as the zero gas for operation If this is not possible pure bottled air Nitrogen is recommended should be substituted Instructions for both procedures are provided below You only need to perform one or the other Toxic gas zero calibration When conducting a zero cal for toxic gas you will want to use a cylinder of Nitrogen or pure air with the cal cup placed over the air inlet cover Please see Applying a gas sensor for details amp 7 NOTE if you are in clean air environment you can use room air for all toxics except for ozone Ozone calibration for zero and span For an Ozone calibration a zero calibration is performed with Nitrogen and a span calibration is performed using an ozone generator amp 7 NOTE it is recommended to factory calibrate the ozone sensor on a yearly basis 64 Placement and calibration of sensors Calibrating toxic gas sensors Performi
85. djusting impactor turret setting 3 If you see lt gt PM ERR this indicates the impactor is not in the correct position and that it is between two positions Adjust the turret until the correct reading is displayed on the screen 52 Placement and calibration of sensors Particulates calibration zero cal Particulates calibration zero cal A zero calibration is recommended the first time you measure particulates in the run mode For particulate calibration place a zero filter also called a HEPA filter with attached coupler into the vent of the turret The impactor setting must be set at PM in order to conduct a zero cal NOTE for the span on the particulate calibration please refer to the Gravimetric Filtering instructions to determine the gain factor from the correction factor gt Particulates zero cal 1 Insert the attached coupler and zero filter into the turret Ensure the impactor is well greased before calibrating which requires a thin film of grease See Impactor care for details Zero HEPA filter Used for particulate zero cal Zero filter with coupler and vent opening Insert the Zero Filter via the coupler into the 2 5 vent opening Turret Turn the turret so PM appears on the display of the EVM The raised section will align with the impactor text Figure 4 6 Particulate zero cal with HEPA filter 2 Adjust the turret impactor to PM refer to Turret in Figure 4 6
86. e and date order Look up EVMO100 NOV 20 09 15 11 19 Re arrange EVM0099 NOV 03 09 14 20 30 how the sessions are organized Figure 5 16 Past Session with Files selected Files softkeys Explanation Lookup Look up softkey used to organize the session files by the following Name amp file size Name amp date or Name amp run time PG UP Displays the previous page of session files PG DN Displays the next page of session files LOAD Once you select a session file to view press the Load softkey in order to LOAD and then view the detailed summary data screens Table 5 4 Past session files softkeys explained 4 Once a file is selected and loaded press the Detail softkey to view the summary data 97 File System menu Deleting sessions individually kT NOTE the particulates toxic gas CO gas and PID sensors will detail the following measurement parameters Min Max Avg Max STEL TWA For RH Temp and Air Velocity the measurement parameters include Max Min and Avg TAE s Ls Session run time Summary data AVG Measurements viewable MAX STEL 0 803 for particulates TWA 0 113 m PM4 Indicates the summary data you are viewing Figure 5 17 Summary screen of a past session 5 When viewing summary data press lt gt Arrows to view Summary data for each sensor This is similar to viewing measurements during run or stop mode e Inthe summary data screen the session run time will app
87. e 3M Detection Management Software DMS is a user friendly compatible software available for advanced analysis with charts graphs reporting and management of tests Sensors Auto detectable when inserted at powered off mode and then powered on Languages include English Spanish German French Italian and Portuguese Certified CE Mark and RoHS compliance Patents USPC Class 73 2805 Class name Solid content of gas Jarator detail impactor Publication date 03 05 2009 Patent plication number 20090056417 Standard EVM 7 Memory and logged time Logging the following Sensors Dust Temp Humidity CO2 Toxic PID Dew Pt Run Time Hours Logging Rate Number of Measurements Logged PO la 3 4 5 isecnds Ssecmds i5seconds 13944 1 9296 1 6972 1 5577 6 2 888 2 18592 1 13944 1 11155 3 111552 8 55776 4 3 184 3 2 888 2 22310 6 10minutes 9296 1 61974 4648 0 37184 133 Appendix A Estimated logged run times Standard EVM 7 continued Run Time Days Logging Rate Number of Measurements Logged 3 2 9 7 See ae o6 os os 03 s 32 22 16 13 ws 97 es 48 33 30 seconds 155 77 5 154 9 232 4 464 8 4648 0 2324 0 1549 3 1162 0 929 6 Run Time Years N y Logging Rate Number of Measurements Logged 30 seconds e pl 0 1 0 1 0 2 1 1 0 3 221 0 5 312 6 4 1 6 Lom gg 00 00 loo 00 o0 oo o1 00 r
88. e sampling Aerosols dust vapors Particulate sizes Particulate sizes Aerosols and gases are experienced in industrial processes workplaces and in every day life Keeping in mind that inhalable dust is 100 microns and smaller this dust is usually filtered through the hairs and membranes in your sinuses 10 microns and smaller is considered thoracic 4 10 microns is inhalable reaching into your windpipe and other regions and 4 microns and smaller is respirable These particulate sizes will represent what you will be measuring The figure below identifies different types and sizes of particulates and how it affects the human body Aerosols and Coal dust Particles Pollens Atmosphere Airborne Wood inhalable particulates Dust Textiles Dust Medical implications Thoracic pm inhaled amp penetrates the larynx throat inhaled via the nose and or mouth 01 0 1 1 10 100 1000 Particle matter pm diameter um Figure 1 2 Particulates and diameter size 4 Particulate sampling Aerosols dust vapors Particulates and cut point Particulates and cut point In consideration of how the size of particulates affect the human body it is important to select a particulate size cut point Essentially the particle size selector on the EVM is a top mounted rotary impactor Based on your setting it will filter out all particulates at or above the selected size The instrument has four setti
89. e your thumb over the black pellet M NOTE once you squeeze the pellet removal tool the lid will pop off with the lamp In order to prevent it from popping out it is important to place your thumb over the black pellet first Electrode Pellet removal tool Figure 7 3 Removing the lamp with removal tool 119 Maintenance and Cleaning Cleaning PID sensor 4 Set the electrode pellet and lamp to the side Note you may want to use paper towel or a cloth without fibers when handling these pieces to prevent oils from your hands transferring to the lamp or pellet Electrode Pellet s lamp twists onto this pellet cover eg O Lamp p oe PID sensor Displayed without the plastic Intell sensor casing Figure 7 4 Remove insert PID sensor with lamp amp pellet 5 Using the PID cleaning kit open the alumina oxide polishing compound and insert a Q tip e Ina circular motion polish the lamp until an audible squeaking sound is heard about 15 seconds Do not touch the lamp window with your fingers Remove any residuals of the compound with a Q tip CAUTION the cleaning compound alumina oxide should not be inhaled and can be an irritant to your eyes Be cautious when handling the powder compound 7 Figure 7 5 PID sensor cleaning kit 6 Torefit the lamp and electrode pellet properly it is recommended to twist the lamp into the o ring of the electrode pellet twist clock wise one full turn ensuring
90. ear in the upper hand corner of the display M NOTE For particulates summary data it will display the impactor setting applied during the measurement i e PM4 6 Toreturn to the main screen press On Off Esc e twice to return to the Start screen File System menu With the File system menu you can delete or clear sessions one by one or delete all sessions You can also verify the used and free memory of the instrument via the Properties menu The instructions below explain the Session Directory menu Delete All Session menu and the File System Proprieties menu Deleting sessions individually gt Deleting sessions individually 1 Open the File System screen from the Start menu and select the Session Directory menu Then press Enter to open 98 File System menu Delete all sessions 5 In the File System Sessions screen you have the same softkey selections as the Past Session Summary menu Please see Table 5 4 for softkey explanation To delete a selected session first select a specific session to delete by pressing the Ay Arrows Press the Delete softkey A Delete pop up screen will appear To confirm the delete press the Left arrow and then press the Enter a This will delete the selected session DELETE q _ Delete message EVM013 EVM Press left right arrow to select Yes or No Then press Enter key NO J Figure 5 18 Delete session message Repeat these steps until all
91. ed press Enter f this will move your cursor to the On Off field e Press AAw Arrows to toggle and select On or Off e Press Enter CJ again to return to the measurement e Repeat step 3 until all logging parameters are enabled disabled 2 Setting up parameters via the keypad PID sensor setup UNAM N a LOG INTERVAL 30 sec mM mE AVERAGING 30 sec gt Logging time averaging time T ON AVG OPE OFF STEL ON OFF Est Run TM un Time poo logging time interval When selected the estimated run time screen displays the total remaining time Logging attributes measurements Figure 3 5 Logging screen 4 Optional To view the Estimated Run Time select this field by pressing W Arrows and press Enter B The estimated run time screen will appear V NOTE to extend the logging time turn a logged measurement s to Off and or change the log interval Then re check the estimated run time Setup logging EST RUN TM REMAINING RUN TIME Estimated run time 9 DAYS NOTE to increase the 18 HOURS total duration log only one O MINUTES or two measurements and or change the log interval estimate Figure 3 6 Estimated run time for logging screen 5 Press On Off Esc e repeatedly to return to the Start screen PID sensor setup For best PID testing results it is recommended to add a correction factor to the relevant VOC you intend to measure Please refer to the PID correct
92. ed with up to 8 correction factor profiles It also provides the capability to view the mass and volume of the gravimetric accumulator and gravimetric volume if get configuration is selected To update please follow below 1 Click on the Particulate tab see 1 from the EVM s Instrument Communications panel 2 To customize particulate profile names double click on the Name of the particulates see 2 e The edit profile screen will appear see 3 Type in a name and type in the appropriate correction factor or use the key to set the numeric value Repeat this step as necessary to setup 8 correction factor profiles 3 The active profile field see 4 may be set to a customized profile name with a designated correction factor see step two for details To set an active profile click on the arrow and select one of the profile names Not applicable if step 2 was skipped 4 To set the Units select the Jarro and select a unit of measurement 5 To set the particulates setup click on een Jor save and send to the EVM for more details see Saving and sending configurations qi 3M Detection Management BETA 2 File Configure Manage Help Instrument Communications Data Find ata Finder zy I Lol Instrument Configuration a Y 2 Auto Run Security m General o Triggering A Logging x9 Particulate Q Firmware Update dg Configuration Profile Management Family Particulate Configuration Default Profile Name Date
93. eeded for calibrating sensors on the EVM series Particulates Performed with a zero HEPA filter Gravimetric filtering optional is used to determine a reference point correction sensor shipped in kit factor relative to the Arizona Road Dust factory calibration Please refer to the EVM Series User Manual for details Sensor Type Zero Calibration Span Calibration CO sensor Performed with Nitrogen CO gas with a 1 Liter minute flow rate NOTE The range of the CO sensor is 0 to 5 000 ppm It is recommended to span cal to the value you will be measuring i e 4 500 ppm for best results Note settling time with 1 LPM gas flow has a response time of 90 seconds PID ppm Performed with Pure Air or Isobutylene is used when the VOC s are unknown sensor Nitrogen NOTE in order to measure a specific VOC you will use the relevant VOC for NOTE Room air can be your calibrated gas source applied In clean air environments such as a school with no toxic cleaners present No user cal performed in the PID sensor ppb span 10 ppm or 10 000 ppb of Isobutylene whether the field Factory cal only gas of interest is known unknown Carbon Performed with Pure Air or CO gas ES Nitrogen Shierine Performed with Pure Air or CL gas CL3 Nitrogen Ethylene Performed with Pure Air or EtO gas Oxide EtO Nitrogen Hydrogen Performed with Pure Air or HCN gas Cyanide Nitrogen HCN Hydrogen Performed with Pure Air or H2S gas Sulf
94. een Viewing trend data in the measurement screen The example in Figure 5 13 displays particulate trend data with one second level values Trend data screen 1 To select a trend screen first select a measurement screen you wish to view WM gt 00 19 20 lt gt PM2 5 PROFILE1 LEVEL 0 457 AVG 0 456 MIN 0 441 STEL 0 460 MAX 0 4 7 TWA 0 018 0 445 ER CO NENE iN 4 Figure 5 13 Selecting Trend softkey Trend softkey Press third softkey to view trend data 2 In the measurement screen press the Trend softkey and a graphical data chart will appear e You can either view the data as a Line format or a Bar chart format by pressing these softkeys on the bottom of the display 3 Optional Press the A tf key to toggle between the trend time scale units and the softkey menu 4 Optional Press Ay Arrows to change the vertical range 5 Optional Press lt gt Arrows to change the horizontal range Scale Press up down to change range I gt D gt 00 05 51 Figure 5 14 Trend Screen for PM Dust Trend Screen Dust example Plots data logged points over 90 second intervals Line or Bar softkeys View trend data as a bar chart or as a line chart by pressing this softkey 95 Past session Summary data screen 6 Press On Off Esc Gio return to previous screen Past session The past session summary screen allows you to view your session summary data You can view sessions by name and file s
95. el and is applied to the dust measurements in the logged data chart table when dust is the selected paramet To apply select the dust override icon and add a new value Gravimetric Sample optional for particulate calibration Question What is the backpressure capabilities inches water column Response Solution gt 15 inches of water 1 67 LPM Question What type of cassettes can be installed Response Solution Both 25mm and 37mm cassettes can be used in the EVM monitor Question How do you replace the filters which are supplied in the kit Response Solution The cassettes are separated using a larger sized screwdriver The backing should always remain in the cassette white thin cardboard like circular disc and the filter is placed on top of the backing An EVM 7 or EVM 3 is shipped with 10 pack of replaceable filters Filters can be ordered in 5 packs via 3M see 3M contact section Question Can we run the unit without a cassette Response Solution The monitor should not be run without a cassette The monitor is installed with a pump protection filter cassette As its name indicates it protects the pump from particulate matter This cassette or a new cassette if performing a gravimetric sample should a ways be installed It should be noted that the pump protection filter cassette will periodically need to be cleaned or replaced Question Does 3M offer cassettes Response Solution 3M offers a 5 pack of 37mm gravimet
96. elds press W Arrows To move to the next field s press 4 Arrows Repeat as necessary HN setup auto run DATE vg Start time Auto Run with Date Seect meotdoN AUTO RUN fiet de hh Yo 24 hour clock by 24 JUL 2009 pressing up down arrows Duration e Press up down arrows to select hours minutes seconds S 9 00 00 D 07 30 00 FOUR Figure 3 25 Setting auto run date mode 7 TO save press Enter f key Press key until you return to the start screen M NOTE To initiate the programmed run either power down the instrument or leave on 45 Setting up parameters via the keypad Auto run Auto run with day of week DOW mode The days of the week DOW setting is a pre programmed weekly auto run with a specified day start time and duration with two auto on settings The programmable settings include a day of the week start time and duration 1 2 3 gt Setting auto run with day of week mode From the Start screen select and open the Setup screen Select Auto Run by pressing W Arrows and press Enter a In the Auto Run screen press Enter and press ANY Arrows repeatedly until DOW appears Press one of the softkeys one or two In the DOW Auto Run screen press lt gt Arrows to move through the Days Time and Duration fields Press Arrows to change the value When programmed press a Enter Press Y key repeatedly to return to the main screen NI Days Optional Pr
97. elds to 0 Figure 4 13 Reset gravimetric setting e To reset press the down arrow repeatedly to select the gravimetric fields and press the Reset softkey If it is not displayed press the Altf key 5 Turn the pump on by pressing the Pump key 6 Optional step a Itis optional to press the Run Stop key to log the gravimetric filter sampling WOTE ifin run mode a clock appears and displays the overall run time b To view the particulate level press the right arrow once from the start screen and the particulate measurement screen will appear noted as PM 7 After the gravimetric collection turn the pump off and reference the Gravimetric Mass field to view the calculated particulates 58 Placement and calibration of sensors Pump flow rate calibration 8 Lastly calculate the ratio between the value in the Gravimetric Mass field and the weight of the collected sample Enter in the correction factor via the Particulate Setup screen Please see Setting Profiles section for more details Pump flow rate calibration An accurate flow meter such as a primary standard flowmeter calibrator and inert tubing is required to perform this calibration The inert tubing is inserted on the dust air flow outlet located on the back of the housing amp 7 NOTE you may want to send the instrument in for a yearly calibration if you do not own a flowmeter calibrator for this calibration procedure Air Flow
98. elect Run or Setup fields by using Up Down Arrows 5 Press Enter PB and the first field will be shaded selected and then press Ay Arrows to change the numeric value I m SECURITY MODES Adding a numeric password e Press Up Down arrows to enter a number RUN 0000 e Press Left Right arrow keys Setup Disabled to move to the next field e Repeat as necessary NENNEN Ee NNNM Figure 3 21 Setting lock secure 6 Repeat step 5 until the password is entered When you press Enter for the fourth digit a secure run mode or secure setup pop up will appear as confirmation Once set the field will display Enabled 7 Once enabled follow one of the scenarios below e For Secure run mode to occur navigate to one of the measurement screens and press the Run key a Secure Run Mode screen will appear e For Secure setup mode to occur navigate to the setup screen and the Secure setup mode screen will appear Unlock run and or setup When in secure run mode or secure setup mode a quick press of the lock unlock softkey and entering in the password will unlock the instrument See steps five and six above to for more information on entering in the password M NOTE incase the entered password to unlock the instrument was forgotten a default 3M password can be used in lieu of the entered password 9157 42 Setting up parameters via the keypad Auto run Auto run The EVM has four programmable auto run settings in
99. emp RH Dew Point e The internal Temp RH sensor in this instrument is not designed for use in bright sunlight or in the presence of a strong radiant heat sources It is intended primarily for indoor use It is not equivalent to a protected dry bulb thermometer PM dust e Clean the optical engine mirror with a soft cloth if it is dirty Scratches will affect performance e Avoid measuring wet particles fogs and liquid mists that will tend to cling to the impactor optical engine tubing and pump surfaces e Avoid oily mists as found near some machining operations e This monitor is designed to measure dry particulates not filaments e Do not attempt to measure Asbestos with this instrument e Keep a Pump Protection Filter or other gravimetric filter in place to help prolong the life of the pump e You must check amp calibrate the flow rate when using this device as a gravimetric sampling pump iii Dangers warnings amp cautions continued Dangers warnings amp cautions continued ZN Caution CO e Avoid exposure to condensation fogs and liquid mists that can contaminate the optical path inside the CO sensor PID e This instrument cannot detect methane gas e For best sensor life avoid acidic condensing gases e The presence of moisture can affect performance of the PID Toxic e Beware of certain cross sensitivities when measuring toxic gas levels Readings can be nonspecific in the presence of certain cross co
100. ently lifting the sensor from the housing eNote To insert align the socket pins to the circuit board accordingly Sensor bar Remove screw 1 amp 2 and lift off cover Screw 1 w Screw 2 a bk ds PID sensor Toxic sensor sensor 3 Determine the type of installed CO2 sensor by counting the number of pins on the sensor See images below e 7 pin CO sensor part number 074 712 image CO senor 074 733 image Method Two Using the Unit Information screen via the start screen see A below press the Enter key until the CO2 sensor appears on the screen see B below A numeric serial code will be displayed to the right column of the CO2 sensor Below are the two scenarios to denote the CO sensor type e 7 pin sensor 074 712 is displayed by a 5 digit 6 digit or 8 digit serial number e 5pin sensor 074 733 is displayed by a 10 digit serial number A Start screen on the EVM with Unit Information selected B Unit Info screen with CO2 sensor displayed Note Start screen appears when powered on E UNIT INFO SENSORS 4 7 Example of CO2 serial number is 00146 which is the 7 pin sensor part PID 150508030 number 074 712 Air V Not Found WF lt gt START FILE SYSTEM PAST SESSION SUMMARY SETUP CALIBRATION UNIT INFORMATION for measurements press CO 001146 163 Appendix D FAQ s Calibrating sensors Question What calibration gases or calibration equipment are n
101. er Put the cassette back together and insert it back into the housing M NOTE when installing the cassette make sure the side labeled inlet is attached to optical engine Also the filter paper should be on the bottom of the cassette Gravimetric cassette e Pulls apart into two pieces Replaceable filter paper Figure 7 10 Gravimetric cassette and filter paper maintenance APPENDIX 126 Appendix A n Specifications Particulate Sensor INN a Range Resolution Repeatability Photometer 0 000 200 0 mg m 15 Calibrated to Arizona Non condensing road dust ISO 12103 1 A2 Fine Test Dust 0 to 20 000 ug m 1 Particulates 0 1 10 um See note below Particulate Sensor General 0 1 um to 10 uim Note the photometer can detect particles up to 100 uim however accuracy is reduced for sizes greater than 10 um It may not be as accurate Impactor mechanical Top mounted rotary impactor particulate filter Impactor settings PM2 5 PM4 PM10 or PM at 1 67 Liter minute flow rate Measures Real time aerosol dust concentration using a 90 optical light scattering photometer to report total mass concentration mg m or ug m of particulate matter Gravimetric sampling e Flow 5 after calibration e Back pressure gravimetric cassette e gt 5kPa e gt 20 inches of water 1 67 lpm Dust correction factors Up to 8 User defined particulate correction factors To correct for variation from Arizona Road Dust
102. flow diagram on previous page Air velocity measurement screen Figure 5 11 Attaching AirProbe and measuring Air velocity 93 Summary Data Viewing details in the measurement screen Summary Data In each of the measurement screens a Detail softkey will appear Once selected you can view a quick summary of all measurement calculations in one screen This is explained below Viewing details in the measurement screen Viewing the composite measurements in individual summary screens 1 To view details of a sensor select a measurement screen and then select highlight a specific sensor if more than one is displayed e For example to select PM from the Composite screen press Arrows w or the Select softkey 2 Press the Detail softkey and a summary screen of the selected measurement screen i e PM 2 5 particulates screen will appear ME 0 1 42 51 Composite DETAILS PM Composite details screen Exit softkey Figure 5 12 Details of the composite measurement screen 3 Press On Off Esc Qo return to the previous screen e Repeat these steps to view other sensor measurements Trend Data The trend data screen is a graphical logged data chart and is viewable in all the measurement screens Depending on the parameter you are viewing i e PID sensor Particulates etc it will display the measurement level values in a graphical format 94 Trend Data Viewing trend data in the measurement scr
103. gure 3 25 Setting UMMEG FUN zie O O 43 Figure 3 24 Selecting auto run with date mode tias titi onere ab XE UA M hue Is AA ios ii intros 44 Figtlte 3 25 Setti g a t r n date Mode anna ia dt haeret dot dedo be eua ende bn AA det debt ra e vicit 44 Figure 3 20 Setting autorun DOW Mana 45 Figure 4 1 Sensor MOST and Ma ees aene ioter tst re dut iust tuam euet e uat Rodas iiaa 48 Figure Sensors IoGdlloris os uf cutter era De P A LA EM dU AVE EM d eA e RU 48 Figure 4 3 How the impactor THficlOFlS cds Reti Ios 49 Figure 4 4 PM2 5 impactor seiihtgexelip g ss tache Guns Nr A A deu RR Ed AEEA e 50 Fig re4 5 Adjusting impactor turret SETUNG ardilla dada 51 Figure 4 6 Particulate zero cal with HEPA filter ar A A ra aE ate 52 Figure 4 S lecting calibration Sai 53 EIgure 4 6 Particuldte Cal Scenes 53 Figure 4 9 Particulate calibration and ready screen eri dia 54 Figure 4 10 Particulate calibration and Wal tiive SCV GM asec ses tigers aha octets tas 54 Figure 4 11 Particulate calibration pause SCIOBI10 oo 55 Figure 4512 Zero Cal set for Particulates n pnn S a E r Ea E S E QE 55 Figure4 13 Reset gravimetrie Setting Vosges rai eee tenance densae ed 57 Figure 4 14 Pump flow rate cala lOs nadia dali ia 58 Figure4 157 Blow Rat Calibration tidie E NA RA AA eU d ba qub onu Dd URDU Dd cas aes de atic Sep 59 ix List of Figures Figure 4 16 Calibration history for E Ms reat thon pt dte eo UR AA 61 Fig re4s17 Applying a ga
104. he gas measurement screen displays the measurements for CO toxic gas es and PID sensor WOTE depending on what sensors you ordered and which sensors are installed the appropriate gas sensors Will display on this screen Gas screen NF 00 05 35 LEVEL STEL CO 750 744 ppm CO 66 61 ppm PID 123 4 121 2 ppm Ea MN Figure 5 9 Gas measurement screen To change the gas measurements view 1 Press the Select softkey Trend softkey or the Detail softkey See Viewing summary details or Viewing trend details on pages 59 60 M NOTE The N Arrows can be used instead of the Select softkey Composite measurement When you first access the composite screen all of the sensors appear on the screen There are two main views which is dependent on if you pressed the zoomed in or zoomed out softkey The zoomed out is the default composite view 91 Composite measurement Composite screens Composite screens QA Zoomed in The composite measurement screen when zoomed in combines all sensors parameters into one screen with two columns displaying two different measurement calculations The second column is changeable by pressing Enter See B below Qe Zoomed out The composite measurement screen when zoomed out appears with the measurements for all installed sensors Press Enter f to change the measurement values as explained in Table 5 3 Press Ay Arrows or a Enter to page through sensors
105. headaches eye nose throat irritation dry cough or itchy skin fatigue and trouble concentrating just to name a few Area monitoring or spot checking for high levels of pollutants such as particulates VOC s and toxics should be a common practice to ensure good indoor air quality exists in your environment If poor air quality is determined engineering controls such as proper air ventilation and the removal of toxic gases would be put into place in order to provide an adequate working living environment The EVM is equipped to measure several different airborne containments or air pollutant applications including e Particulate matter sampling dust monitoring e Gas sampling e Temperature sampling e Relative Humidity and Dew Point sampling To get you started quickly with the EVM the first chapter is dedicated to introducing basic particulate matter and toxic gas information The subsequent chapters will guide you through setting up the EVM running studies and assessing your results with easy to follow steps and illustrations CAUTION The EVM is intended to measure gases that are potentially dangerous to human health To help ensure worker safety through the proper use of your unit it is important that you not only read but also understand the contents of this manual Please familiarize yourself with the unit before using it in a potentially hazardous situation 2 Introduction Particulate path Particulate sampling Aer
106. iculate measurements for a period of time how do verify the calibration Response Solution First ensure you performed a zero calibration prior to your testing with the supplied Zero HEPA filter Run your real time particulate measurements Then perform a Calibration PM Verify via the Verify softkey quick key Please see Chapter 4 for specific details Question What if need to calibrate particulates in accordance to NIOSH0600 Response Solution A gravimetric calibration is performed The steps below outline a gravimetric calibration Please see Chapter 4 for specific details 199 Appendix D FAQ s 11 12 Question How many correction factors can be stored on the monitor and in DMS Response Solution The EVM supports 8 different particulate matter PM configurations profiles with customized name settings and user correction factor settings See Chapter 3 for instrument profile set up or Chapter 6 for DMS set up for more details Question What if want to enter in the correction factor after running logging particulate measurements Response Solution You can adjust change the correction factor in Detection Management Solutions DMS or in QuestSuite Professional Il after the session has been downloaded The Dust Correction Override feature is a type of scaling factor that will re calculate the data instantly in the chart or graph you are viewing NOTE the Dust Correction Override field is displayed in the General Data pan
107. ide H2S Nitrogen Nitrogen Performed with Pure Air or NO gas Dioxide NO Nitrogen Nitric Oxide Performed with Pure Air or NO gas NO Nitrogen Oxygen O Performed with Nitrogen Room air NOTE The range of the O2sensor is 0 30 with a typical span of 20 9 Sulphur Performed with Pure Air or SO gas Dioxide SO Nitrogen Sensor Type Calibration Pump Flow rate An accurate flow meter i e bubble flow meter and tubing is required to perform this calibration The tubing and flow meter are connected to the back outlet or in the turret Please see the EVM Series manual for details An accurate temperature sensing instrument i e thermometer is required to perform this calibration The instrument is then placed in the location where you will log and the calibration is conducted NOTE when calibrating temperature ensure the unit is not charging by unplugging the external power cord before proceeding Relative Humidity An accurate temperature sensing instrument i e psychrometer is required to perform this calibration The instrument is then placed in the location where you will log and the calibration is conducted NOTE when calibrating relative humidity ensure the unit is not charging by unplugging the external power cord before proceeding NOTE before performing a user calibration ensure that your calibration is performed in an area known not to contain hazardous or interfering gases if ambient air will be used
108. ield indicates the amount of memory available or free on the instrument TTE E File Sys PROPERTIES NUM FILES USED File system properties FREE Summarizes the memory remaining on the instrument Figure 5 20 File Systems properties screen 100 File System menu Estimated Run Time Estimated Run Time The Estimated Run Time screen displays the amount of days hours and minutes remaining on the instrument You can extend the run time if you log less parameters such as only logging MAX or increasing the log interval You may want to download and save your files in DMS and then clear the memory on the EVM This will also extend the logged time For more information on estimated run time charts please see Appendix A Estimated logged run times page 133 M NOTE The estimated run time screen is also viewable via the logging setup screen for more details please see Chapter 3 setting logging and viewing runtime page 25 View estimated run time Open the File System screen from the Start menu and select the Estimated Run Time menu by repeatedly pressing the Down arrow key E 2 Then press Enter amp key and the Estimated Run Time screen will appear TINI ESTIMATED RUN TIME 28 DAYS 12 HOURS 10 MINUTES estimate Figure 5 21 Viewing estimated run time CHAPTER 101 DMS Software EVM Communication 6 DMS Software 73 EVM Communication Once communicati
109. ime allows you to view the amount of remaining log time when logged parameters are selected For logging there are two selectable fields the logging interval rate and the measurement averaging Log intervals Explanation Log interval This sets the log interval between specific data points For example if logging is set to 5 second intervals then all parameter values are logged every 5 seconds The logging parameters options are as follows 1 second 5 seconds 15 seconds 30 seconds 1 minute 5 minutes 10 minutes 15 minutes and 30 minutes and 60 minutes The Averaging parameter is used to average all measurements displayed Averaging on the screen If averaging is set to 15 then the last 15 measurements are averaged New measurements are updated every second This averaged value is displayed on the monitor It s basically a data filter The averaged data will change less rapidly than the 1 second data since it is averaged The user options are 1 30 with increments by 1 interval 7 NOTE 15 second averaging is recommended for the average setting All the sensors have settling times of 10 seconds or longer 26 Setting up parameters via the keypad Setting logging and viewing run time Logged data Explanation attributes Measurements Selectable logged measurements Level Lmin Lmax Lavg and STEL If the measurement is set to On this indicates the instrument will log data at the logged interval i e while in run mo
110. in the setup menu m To enable select Setup from the main screen and then choose PID In the PID screen enable the ppb zero feature Once set return to the calibration screen to resume the calibration process For more details on setting please refer to PID sensor setup in Chapter 3 PID ppm ppb zero cal Connect the Zero Grade Air and cal cup to the EVM Please skip this step if you are not applying a gas From the start screen press the Down W arrow to select Calibration and press Enter a Selecting PID sensor Cal softkey Figure 4 27 Selecting PID sensor for calibration process 72 Placement and calibration of sensors Calibrating Photo lonization Detector PID Sensor 4 Press the Cal softkey and the Calibrate PID Ready screen will appear Press Zero softkey AVOTE allow at least 60 seconds to stabilize AAA a Units ppm ppb The EVM will automatically display the attached sensor which is either PID ppm or PID ppb for VOC testing Zero With PID ppb sensor if Zero is not displayed this indicates the PID setup PPB sensor should be set Please see PID ppb zero cal Bate ES EB EU section above 5 When the level has stabilized press the Set softkey Or press Cancel softkey and then Retry softkey to repeat this process IU E Calibration CALIBRATE mw Flashing PID ES Level asterisk Zero 1 01 Allow to stabilize before um cal setting calibration point Set softkey
111. ine to a shaded bar chart view To exit this screen press On Off Esc e 4 NOTE Press the Altf key to toggle between the trend time scale and the softkeys WE a 00 19 20 Press Up Down Arrow to select a measurement Look up Glasses icon Trend softkey Detail softkey Figure 5 7 Selecting a measurement calculation 5 Or select the Detail softkey and a summary of all the measurements will appear Below is an explanation of measurements 99 Relative humidity amp temperature measurements Relative humidity and temperature screen Measurement Explanation values Level Notation used to represent current live reading of the sensor This is updated once a second Minimum Minimum level value which occurred during a log session Maximum Maximum level value which occurred during a log session Average Arithmetic average of all level values which occurred during a log session Short term exposure level is a calculation used to indicate an exposure level to a toxin over a short term period This value is calculated by averaging the last 15 one minute averages This value is invalid for the first 15 minutes and is updated every minute there after Essentially it is used when the building occupant worker is exposed to high concentrations of chemical gases The measurement will average after 15 minutes of data logging and continue to compute after each minute of logging using measurements from the most recent fifteen
112. ing Wy Arrows Once selected the Reset softkey will appear Press this softkey to reset MN NM Setup PARTICULATE Particulate Enabled Reset softkey Profile 1 ASHDUST Displays accumulated Visible when 0 040 mg particulate mass amp volume grav mass 6 64 nv menu item is highlighted ee NND NNNM Figure 3 12 Particulate setup screen 4 To return to the main menu press On Off Esc e twice Auxiliary input output Digital output With the digital output function the user can connect an external device to the monitor This can be used to signal a specific level to turn on a notification device an LED or a fan motor at a specific threshold or set point Once enabled the following three are selectable parameters a sensor logic setting and threshold setting Sensors When setting the Digital Output Digital Out parameters one of the seven selectable sensors is used to trigger the output of the external device which includes e RH relative humidity CO Carbon Dioxide Temp Temperature PM particulate matter PID for measuring VOCs Toxic gas i e CO and Dew Point M NOTE Air Velocity can not be selected as a sensor Logic and Threshold There are four selectable Logic types which is used in combination with the Threshold field to trigger on and off the external device These are explained in the table below M NOTE The digital output is an open collector output and as such require
113. ing plants and or bakery shops background sampling site dust measurements assessment of the effectiveness of dust control systems and measurement of indoor air quality IAQ It is also used 8 EVM Series Applications to analyze work place exposure and help identify dust control techniques such as training or implementing engineering controls Time history manufacturing 10 02 33 10 10 2007 10 10 2007 Particulate Measurement 250 mg m Logged Data Chart B olkee mrrimnasm 22 59 31 23 20 46 23 42 01 00 03 16 i 11 19 2007 11 19 2007 11 19 2007 11 20 2007 11 20 200 Date Time im Mlavq 1 E Lmax 1 Lpk 1 Lavg 2 Industrial setting Used to monitor and ensure health and safety in settings where toxic fumes are released such as testing levels at a paper mill or a foundry This information can be used to identify the source and particle concentrations Sick Building syndrome Used to evaluate air toxins and ensure building standards maintain a comfortable work setting Work site assessments Military applications Outdoor monitoring applications include construction sites dust outside of mines Regulatory compliance i e OSHA MSHA IEC ACGIH As a mapping device Layout a grid of high contaminant areas and quickly collect sample data at multiple locations to help identify paths and sources by relative readings As a survey monitor e Specific area in a plant facility used t
114. ing your sessions you can load the data files into DMS to manipulate analyze save and create reports See Chapter 6 for viewing your logged data in DMS When you are performing air quality monitoring there are two types of data stored in the instrument which includes summary data and time history data or logged data Summary data Summary data represents values that occurred over the entire run of the study An average measurement is the average of all arithmetic data points for a sensor i e dust humidity CO etc Max and Min values are the highest and lowest measurements that occurred throughout the Logged data Time history run time S Configure Configure E Description Temp Avg Temperature Min Temperature Max Temp Min Time Temp Max Time Humidity Max Humidity Avg Humidity Min Humidity Max Time Humidity Min Time Dust Average Dust Min Dust Max Dust TWA Dust Min Time Dust Max Time Value 26 9 C 26 9 C 26 9 C 2 22 2010 2 36 54 PM 2 22 2010 2 38 16 PM 20 7 20 5 204 2 22 2010 2 36 59 PM 2 22 2010 2 38 15 PM 15 585 mg m 0 072 mg m 66 812 mg m 0 064 mg m 2 22 2010 2 38 52 PM 2 22 2010 2 37 13 PM 706 PPM 633 PPM 795 PPM E Figure 5 2 Sample summary data from a DMS table Logged data also referred to as time history plots measurements with a specified logging interval ranging from 1 second intervals to 60 82 Running and stopping Logged dat
115. ion factors table in Appendix C for more details Additionally the PID setup screen is used to set the ppb zero cal to either enabled or disabled if applicable 28 Setting up parameters via the keypad PID sensor setup Setting PID correction factor and or ppb zero cal 1 From the start menu press MW Arrows to select Setup and press Enter Select PID by pressing AA Arrows and press Enter a In the PID screen select either ppb zero cal or the PID factor by pressing W Arrows 4 Press Enter to move to either the disabled enabled field or the value field Press MW Arrows to change the value Press Enter to save your changes 5 Press On Off Esc repeatealy to return to the start screen WN I E PPB Zero Cal Press up down arrows to select either enabled disabled PPB ZERO CAL Disabled Press Enter to save PID FACTOR 2 0 PID Factor Press up down arrows on keypad to change value Default softkey mam mum nf HERE Press to restore PID facio to default 1 Figure 3 7 PID correction factor ppb setup M NOTE When changing PID factor to a value excluding 1 the PID correction factor will appear as a subscript on the measurement screens Two samples are displayed below DS E 00 25 35 MF a 00 02 36 LEVEL STEL 127 CO 750 744 CO 950 CO 66 61 CO 75 PID 123 4 121 2 LEVEL a PID and correction factor PID and correction factor The applied correction factor 3 5 is Displayed in the C
116. iratory protection hearing protection fall protection reflective materials for high visibility protective clothing protective eyewear head and face protection welding helmets and other adjacent products and solutions such as tactical safety equipment detection monitoring equipment active communications equipment and compliance management In 2012 3M celebrated 40 years of safety leadership recognizing the company s respiratory and hearing protection solutions introduced in 1972 Visit www 3M com PPESafety or http m 3m com PPESafety 3M Personal Safety Division 3M Detection Solutions 1060 Corporate Center Drive Oconomowoc WI 53066 Customer Service 262 567 9157 3M is a trademark of 3M Company Toll Free 800 245 0779 used under license in Canada ISO 9001 Registered Company Please recycle Printed in USA ISO 17025 Accredited Calibration Lab 2013 3M Company All rights reserved www 3m com detection 074 300 RevK 03 13
117. it possible to do an inhalable or respirable gravimetric sample Response Solution Yes it is possible to do inhalable and respirable gravimetric sampling This can be accomplished through the dial in impactors or with a cyclone in the open 4th hole on the turret This hole is used for zeroing the instrument as well as allowing the use of a cyclone in that inlet port Question How do set the cut points for particulate measurements Response Solution Turn the turret until the appropriate setting is displayed on the instrument s screen Settings include PM2 5 PM4 PM10 and PM NOTE PM is unfiltered particulate collector and allows all sizes through the dust path for collection and measurement Question How often do you need to apply the grease to the impactors Response Solution The impactors require periodic cleaning and greasing which is dependent on the density of air particulates floating in the intended environment A relatively dusty environment approximately under 10mg m should last an entire day When dust pyramids form on impactor plates this signifies they require cleaning and greasing Please refer to Impactor Care Section and the Optical Engine Maintenance and Cleaning Section in Chapter 7 of the EVM Series User Manual for cleaning details Question How do know when to clean the optical engine photometer Response Solution The following conditions may occur 1 If calibrating the particulate PM sensor and it will
118. ize name and date or name and run time via the lookup softkey Once a session is selected the measurement summary information is viewable and selectable via lt gt Arrows amp 7 NOTE the session run time will appear at the top of display Summary data screen Selecting and viewing past session summary data 1 From the start screen select past session summary menu and press Enter ff 2 In the past session screen to view the last session ensure this field is selected then press Detail softkey MF M PAST SESSION FILES Allows user to choose any past LAST SESSION EVM0001 u session This appears when File FILE EVMOO11 field is selcted DETAIL Used to view the summary data of the selected session O O EI san Figure 5 15 Past session screen 3 To select a specific file first select the File field and then press the Files softkey and the Load File screen will appear Optional press the Look up softkey to view the file by name and file size name and date or name and run time To select press up down arrow and then press the Load softkey to select M NOTE pressing the enter key will sequence the files size date and run time 96 Past session Summary data screen To select a session press MAW Arrows and press the Load Softkey MIU NM 00 21 05 Past Session LOAD FILE JAN 10 10 00 10 30 EVMO102 DEC 19 09 00 08 13 Past sessions EVM0101 DEC 12 09 16 13 54 057 Y Nam
119. klight key until it is turned off AE e y Backlight o key Press to turn on This feature has three levels off dim bright Figure 3 19 Backlight key 2n m 4 Resetting the EVM At times you may need to reset the instrument if it is unresponsive 1 To manually reset press and hold On Off Esc OY for about 8 10 seconds and the instrument will power off 40 Setting up parameters via the keypad Lock secure run and or setup Lock secure run and or setup The lock or security feature is designed to lock the EVM during a run to ensure the session will not be stopped unless the lock feature is disabled Likewise this feature includes a locked or secure setup mode which will stop a user from editing a set up Once one or both of these options are programmed with a code it is set by pressing the Lock softkey in the Setup menu M NOTE when securing or locking the instrument it will be in lock mode even when powered off on Setting lock setup or run 1 From the Start screen select and open the Setup screen 2 Press the Lock softkey Ix SETUP UNITS TIME DATE DISPLAY AUTO RUN X PARTICULATE BATTERY PID Lock AUX I O DEFAULTS Opens to the Lock screen A NENNEN M e Figure 3 20 Lock Softkey 3 In the Lock Security Modes screen Run and Setup are disabled as the default setting 41 Setting up parameters via the keypad Unlock run and or setup 4 To enable either one first s
120. l 0 0 ppm After Set point Before Set point 200 199 ppm Mm O NNNNNNNN Figure 4 32 Calibration History screen Accessing the Calibration history screen 1 Select the Calibrate menu from the start screen and then choose a sensor NOTE press up down arrow in the calibrate menu to select a Sensor 2 If the sensor selected was recently field calibrated the History softtkey menu will appear along with the date and time of the last calibration 3 Press the HISTR softkey to view the saved calibration results 4 To exit and return to the start screen press On Off Esc Kice 77 Placement and calibration of sensors Verify calibration and drifting analysis Verify calibration and drifting analysis The verify screen is typically used to analyze drifting This process verifies if the zero calibration remained stable or unchanged during the run time logging time If it did not remain stable you can set a new calibration offset and save this as your new set point Verify calibration Select the Calibration menu from the start screen and select a sensor you wish to verify NOTE press up down arrow menu to select a sensor in the calibration menu Press the Verify softkey The Calibrate offset will display on the screen amp 7 NOTE For this example PID sensor was selected in step 1 If you 3 selected a different sensor the screens will look very similar to the figures below AAN E Calibration VERIFY PID Calibrate
121. l appear stating it is canceling Press the Retry softkey to repeat the span cal steps 6 Press Save softkey to store this into the memory UG E Calibration CALIBRATE PID Pause Intended Actual Calibration Previous results after calibration completed span cal SAVE softkey O PAN SAVE ANCE Figure 4 30 Saved Calibration screen 7 Turn the regulator off and disconnect the tubing from the instrument 8 Repeatedly press On Off Esc amp until you return to the start screen Press right or left to view measurement screens Calibrating relative humidity and temperature The relative humidity and temperature sensors are factory calibrated To perform a calibration you would place the instrument into the location you will be testing with the appropriate temperature sensing instrument such as a thermometer for a temperature calibration Then access the calibration screen and allow the Relative Humidity and Temperature readings to stabilize Preceding the calibration level you then store these values 75 Placement and calibration of sensors Calibrating relative humidity and temperature amp 7 NOTE When performing a user calibration on Relative Humidity and Temperature you should not externally power charge the instrument If you are currently charging or using an external power adapter please disconnect before proceeding 1 2 Relative Humidity or Temperature calibration Open the Calibration screen
122. lect a session and then click on one of the buttons See 4 ld 37 Detector cr RES ENSE x File Configure Manage Tools Help Instrument Communications Data Finder EVM0133_LAURAS E X e Browse 7 Recent EE Y V GR Data 23 DA Air Quality 2 V C Heat Stress V 3 Noise IRA Sound V GR kens data fils NAAA Session Study Name Start Time Stop Time Run Time Dust Average 1 Dust Max 1 CO2 Average 1 2 EVM0133_ LAURAS EVM_13 12 13 2011 4 25 50 PM 12 13 2011 4 27 13 PM 00 01 23 Carbon Dioxide Min 1 Temperature 0 3 mg m 3 2 2 mg m 3 774 9 PPM 0 PPM 2139C MIE AAA A A ee sa Analyze B Quick Report Figure 6 3 Data finder page 103 EVM Viewing Data EVM panel layout view PLV page EVM panel layout view PLV page The measurements and parameters will be displayed in charts and graphs which may be customized for analysis and or reporting purposes e Note a ReportView button provides a quick link to viewing the panel layout view data in a report format 1 In the PLV page it is divided into Work Items see A Add panel see B Arrange Panels see C and Data Panels see D e Work items A select either the session or study in order to view appropriate measurement parameter data e Add panel B double click on a chart table type and it will appear as a panel on your screen e Arrange panels C displays the order of the se
123. luoroethane 1 1 1 Trichloro 2 fluoroethane C2H2CI3F LEM m 1 1 2 157 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used to eta an 5 factor sensitivity PID measurement to mg m ppb NR Trichlorobenzene 1 2 4 C6H3CI3 o6 co 50 Trichloroethane 1 1 1 C2H3CI3 LEN ill Trichloroethane 1 1 2 C2H3CI3 FE lll QD Trichloroethylene C2HCI3 Trichlorofluoromethane CCI3F ELEM h hMMhmIEU Trichloronitromethane CCI3NO2 lll TOT 100 acid 2 4 5 Trichloropropane 1 2 83 C3H5CI3 NRT CS TWichlorotifuoroetnane 111 C2083 nR TWichlorotifuorostnane 112 CaClF8 n T Triethylamine COHISN 0O9 1100 90 Trifluoroethane 1 1 1 C2H3F3 NRH J Trifluoroethane 1 1 2 C2H3F3 NRH Trifluoroethanol 2 2 2 C2H3F30 NR Trifluoromethane CHF3 NH O Trinitrotoluene 2 4 6 C7H5N306 NRH Turpentine Ct0OHl6 0O6 167 E EM Aa BUM 0 Undecane n 1 C11H244 0O9 110 100 Viny 2 pyrrolidinone 1 C6H9NO O9 1100 Xylene mixed isomers 0 O6 167 06 180 C8H10 Xylene p C8H10 Xylidine all C8H11N l CO1 O1 PO N oo ojo gt ojo O C1 O ojojo O 158 Appendix D FAQ s Appendix D FAQ s Particulate measurements 1 10 Question What do the impactor c
124. luoroethane 1 2 Dichloro 1 fluoroethane 1 1 C2H3CI2F NR Dichloro 1 fluoroethane 1 1 C2H3CI2F NR Dichloro 1 fluoroethane 1 2 C2HS3CI2F NR Dichloro 1 propene C3H4Cl2 1 4 Dichloro 2 2 C2H2CI2F2 NR difluoroethane 1 1 Dichloroacetylene 5 0 Dichlorobenzene o 0 5 Dichlorodifluoromethane NR Dichloroethane 1 2 NR Dichloroethane 1 1 NR Dichloroethene 1 1 1 0 Dichloroethene cis 1 2 Dichloroethene trans 1 2 Dichloroethylene 1 2 Difluoromethane Dihydrogen selenide Dihydroxybenzene 1 2 Diisobutylene Diisopropyl ether Diisopropylamine Diketene C4H402 2 2 220 N C 7 N ojo J O 150 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used E factor sensitivity PID conver m cud dne ppb to mg m Dimethoxymethane C3H802 Dimethyl cyclohexane 1 2 C8H16 C2H6S2 Dimethyl disulphide C2H6S2 Dimethyl ether Dimethyl phthalate Dimethyl sulphate Dimethyl sulphide Dimethylacetamide N N Dimethylamine Dimethylaminoethanol Dimethylaniline NN Dimethylbutyl acetate Dimethylethylamine NN Dimethylformamide Dimethylheptan 4 one 2 6 Dimethylhydrazine 1 1 Dinitrobenzene m Dinitrobenzene o Dinitrobenzene p Dinonyl phthalate Dioxane 1 2 Dioxane 1 4 Dipentene Diphenyl ether Disulphur decafluoride Disulphur dichloride Di tert butyl p cresol Divinylbenzene Dodecanol Enflurane N Epichlorohydrin Epoxypropyl isopropyl ether C6H1202 2 3
125. measurement screens in comparison to your instrument These will be noted or explained in full detail 84 Measurement screens and navigation Unit defined Unit defined While viewing your measurement data you will want to have a good understanding of the abbreviated units used on the instrument These are listed in Table 5 1 Abbreviations Explanation on the EVM OL Over Load This indicates a measurement on the current screen is above the maximum value for that sensor which the instrument can measure Under Range A measurement on the current screen is below the minimum value for that sensor which the instrument can measure Degrees Fahrenheit This is displayed with readings for Temperature and Dew Point Degrees Celsius This is displayed with readings for Temperature and Dew Point Percent This is displayed for the percentage measurement for the pump flow rate the relative humidity sensor and the Oxygen sensor Parts per Million This is displayed with measurement readings of CO toxic gas and PID sensor for VOCs Parts per Billion This is displayed with reading of PID sensor for VOCs mg m Milligrams per cubic meter This is a unit of measurement of mass per unit volume and is used for particulate measurements and PID PPM PID sensor for VOCs ug m Micrograms per cubic meter This is a unit of measurement of mass per unit volume and is used for particulate mea
126. measurements from a log session This is changeable in the particulate screen gt Enable Disable the pump 1 From the Start screen select the Setup menu by pressing Aw Arrows and press Enter f 2 Press MW Arrows repeatedly until Particulate is selected and press Enter f The particulate setup screen will appear 3 To enable disable the particulate setting pump ensure Particulate is selected and press Enter ff 4 Press AW Arrows to select either Enabled or Disabled and press Enter Refer to Figure 3 7 to view a sample screen 5 Press On Off Esc S twice to return to the start screen Resetting the gravimetric filter The Gravimetric accumulators display the calculated accumulated mass of particles and the accumulated volume through the gravimetric filter since the last time these accumulators were reset At the same time the particles are actually collected in the gravimetric cassette in the back of the unit Typically the gravimetric accumulators are reset when the gravimetric cassette is replaced by the user gt Resetting gravimetric filter 1 From the Start screen see Figure 3 2 for details select Setup by using Mw Arrows Press Enter 2 Press MW Arrows to select the Particulate screen and press Enter a The particulate screen will appear 34 Setting up parameters via the keypad Auxiliary input output 3 Toreset the Gravimetric filter select the Grav Mass Grav Volume fields by press
127. ments PM PID or Air Velocity PID PPM AIR V m s Screen message Press the enter key O to save the changed setting Figure 3 9 Units screen 30 Setting up parameters via the keypad Setting up particulate settings Setting up particulate settings There are four parameters in the particulate screen which include e Particulate field enables and disables when measuring particulates If disabled it will not enable the pump during run mode e Profile field used to select the active particulate profile The active profile can be edited by pressing the edit quick key e Gravimetric Mass and Gravimetric volume fields displays the accumulated theoretical particulate mass and air volume which has passed through the gravimetric filter since the last gravimetric reset These can be reset by pressing the reset quick key Setting profiles particulate correction factors The EVM supports 8 different particulate matter PM profiles with customized name settings and user correction factor settings When the profile field is selected from the particulate menu you are able to edit this field by pressing the Edit softkey Once opened you can change the profile name and correction factor setting MOTE each profile stores up to 4 calibration verifies 1 Profile Name You can change profile name and assign up to 8 characters 2 Factors user will have different correction factors based on the type of dust you are mea
128. minutes If less than 15 minutes has elapsed the STEL will be invalid by displaying dashes Time weighted average is an average based on an 8 hour interval The summing all of the level values taken and dividing by the number of samples in 8 hours at one sample per second the total would be 28 800 The important thing here is that the average is calculated the same way regardless of whether you ve run the instrument for 1 hour 8 hours 24 hours or any other amount of time i e the number of samples used to divide by is the same This value is updated once a second Table 5 3 Measurement values explained Relative humidity amp temperature measurements The relative humidity and temperature sensor will display on the left hand side of the screen with two measurement values The measurement displayed in the second column is user selectable via Enter f Relative humidity and temperature screen IAN m 00 05 28 TEMP RH To select a different measurement type press the Enter key repeatedly LEVEL TEMP 77 9 RH 39 9 DEW PT 51 6 51 2 E Select Trend Detail softkeys used to change the BE ls MPa Figure 5 8 RH and temperature measurement screen 90 Gas measurements Gas screen To change the RH and Temperature measurement view 1 Press the Select softkey Trend softkey or the Detail softkey See Table 5 1 for details M NOTE The Axx Arrows can be used instead of the Select softkey Gas measurements T
129. n Mk NOTE If a minus sign appears in front of Zero or Span this has not been calibrated Alternatively the plus sign signifies the cal point has been calibrated 7 Turn the regulator on The regulator should have a flow rate of 1 0 L min 8 Allow the level to stabilize For CO wait at least two minutes to stabilize e For Zero Cal the screen will display Zero with a Set softkey e For span cal press Ay Arrows on the keypad to adjust the appropriate level 9 Pressthe Set softkey Turn off regulator and unhook the N bottle for zero cal or CO bottle for span cal To perform a Zero or Span cal please repeat steps 1 8 NOTE If you want to redo a zero or span calibration press the zero or span softkey and repeat steps above to program new set points 70 Placement and calibration of sensors Calibrating CO2 AND O2 IAA E Level Allow to stabilize 5000 before setting calibration point 2 0 0 0 ppm Set Softkey Figure 4 25 Setting CO Span Cal screen 10 Once the zero and span cal values are set the calibration save screen will appear Press Save to save your calibration M NOTE If you want to repeat the cal press the Cancel softkey and you will return to the calibration screen Repeat the steps above to program new set points A E Calibration CALIBRATE CO Pause Actual cal values 1 After Zero Cal Intended Actual 2 After Span Cal Intended cal values 0 0 1 Cal before Zero cal
130. n at five feet or less d An atmospheric concentration of any substance for which a dose or a permissible exposure limit is published in Subpart G Occupational Health and Environmental Control or in subpart Z Toxic and Hazardous Substances which could result in an employee exposure in excess of its dose or permissible exposure limit and that could cause death incapacitation impairment of ability to self rescue injury or acute illness e Any other atmospheric condition that is immediately dangerous to life or health IDLH IDLH Immediately Dangerous to Life and Health Any condition that poses an immediate or delayed threat to life or that would cause irreversible adverse health effects or that would interfere with an individual s ability to escape unaided from a confined space Lockout Tagout Placing locks or tags on the energy isolating device e g breaker boxes control switches valves etc to prevent the unauthorized re energization of the device or circuit while work is being performed by personnel Tags shall indicate that the energy isolated device must not be operated until the tag is removed by the individual s that installed the tag Material Safety Data Sheet published for every chemical or substance that may be hazardous if an exposure limit has been published for a substance being discussed in an MSDS that limit such as TWA or PEL is required to be included in the MSDS publication Ref 29 CFR 1910 1200 g 2 i
131. n it has IE BI TINI a stabilized Waiting Current Level reading ZERO CAL ZERO CAL Set softkey will appear when NEN M VO NENNEN M ae Stabilized Figure 4 10 Particulate calibration and waiting screen 8 Press the Set softkey to set the Zero cal point 55 Placement and calibration of sensors Particulates calibration zero cal 9 The instrument will show a Pause state with the intended and actual values A E Calibration CALIBRATE PM Level Pause 0 000 Intended Actual 0 000 0 017 mg m Save softkey Figure 4 11 Particulate calibration pause screen 10 Press the Save softkey to save your calibration or press Cancel and Retry to repeat this process A screen pop up will state Zero cal set point when completed or User canceled calibration A pass cancel screen will be displayed MANN E Calibration CALIBRATE PM PASS Actual calibration value Retry Intended Actual 0 000 Exit Figure 4 12 Zero Cal set for Particulates e Press Retry softkey to repeat the zero cal procedures 11 Press Exit softkey to close this screen To return to the start screen press On Off Esc or press the Cal softkey to continue Calibrating the sensors I NOTE a zero cal is performed for the instrument and will be used for all profiles 56 Placement and calibration of sensors Particulate Advanced Calibration Gravimetric Particulate Advanced Calibration Gravimetric With the EVM
132. n the tabs to setup view e Auto Run Security General Triggering Logging Particulate Firmware Update y Save As kJ Sawe 2 Refresh L Send Conhguration 2 load A Delete e Rename A Get Configuration Figure 6 7 Saving and sending EVM setups General EVM setup The EVM s general settings are used to setup the instrument with basic parameters Please refer to the EVM parameters table below for details 1 Click on the General tab from the EVM s Instrument Communications panel see 1 To change the general settings follow one or all of the selection options below e Click on the arrow E and select an option e Click on helg arrows and select a numeric value or type in a value 107 EVM Reports and Printing EVM and logging settings 2 To set the general features click on 3 send configuration and sending configurations y Detection M or save see 2 and Send Configuration see 3 for more details see Saving erm Software BETA platino Aa tr ha I inagermet File Configure Manage Tools ep Instrument Commurecations Jata Finder English Noise Dossmetry Air Quality Heat Stress Instrument Get Configuration Send Configuration Figure 6 8 General EVM setups EVM general parameters table General Name Field parameters and Note refer to Glossary for more detailed information the EVM With the language setting there are six options including English Spanish Ge
133. nd cleaning with the PID sensor e Optical Engine maintenance and cleaning e Impactor care e Gravimetric cassette and filter paper PID sensor The following section explains basic installation maintenance of the PID sensor and cleaning the lamp The Photoionization detection PID sensor is used to measure airborne pollutants As it is measuring and detecting for Volatile Organic Compounds VOCs the gases freely diffuse in and out of the sensor chamber which is formed by the filter housing walls and a UV lamp opening window It is important to keep the UV lamp clean and the electrode pellet lid placed over the lamp housing clean 17 NOTE regarding PID and performance with the PID sensor and humidity sensitivity this uses the fence electrode technology to minimize humidity 116 Maintenance and Cleaning Removing and Installing PID sensor Removing and installing PID sensor If you ordered a PID sensor with your instrument it will be shipped with an installed PID sensor that was factory calibrated The following procedures explain how to remove and install the PID sensor 1 2 9 Manifold Verify the EVM is powered off and the external power supply is unplugged Remove the sensor bar by unscrewing the two screws Next gently remove the sensor bar by titling the front and lifting up The rubber gasket may stick a little as you lift the sensor bar off Place the sensor bar to the side A black bar c
134. ng reviewing past measurements deleting files viewing file storage and memory and viewing the estimated run time MT NOTE The subsequent sections show examples of views which you may have disabled on your instrument Please refer to Chapter 3 Setting up the EVM for more details Overview of running a session The list below is a brief overview of the steps for running a study Quick Help uick Help List ical gas particulate air quality overview DET OS DS Turn the EVM on and check your battery power Chapter 2 Reset Clear memory if necessary o This will clear out all of the data history before your study begins to ensure you have sufficient memory space Set up your study parameters See Chapter 3 Calibrate each sensor parameter See Chapter 4 Place the EVM in a specific location for area monitoring Press the Run Stop 2 key to start the study Chapter 5 When you are ready to end your study press the Run Stop D key to stop the study Review your results either on the instrument or download to DMS for further analysis graphs charts saving and printing Figure 5 1 Quick help list for running a study 81 Measuring Understanding what data is stored Measuring Once you have placed the EVM in a specific location you are ready to take measurements Understanding what data is stored With a couple pushes on the keypad buttons you will be running and viewing your sessions Follow
135. ng a Zero cal for toxic gas 1 While the instrument is powered off connect the pure air cylinder regulator inert tubing and cal cup to the EVM 2 Power on the EVM by pressing the On Off Esc S i 3 In the start screen press the Down W arrow to select Calibration and press the Enter f 4 Press AR Arrows to select the toxic you wish to calibrate 5 Press the Cal softkey and a specific toxic gas 1 CO Calibrate Set Point screen will appear ICALIBRATION SS CO Selecting a sensor Press Up or Down Arrow on keypad USER CALIBRATION 14 JUN 2009 11 29 33 Cal softkey au ENNNNN Figure 4 18 Selecting sensor for calibration process 6 Turn regulator On Wait for the current level to stabilize allow at least 90 seconds to stabilize The screen will show Ready 7 When the level has stabilized press Zero softkey AMAN B Level Allow to stabilize before setting calibration point Flashing asterisk indicates cal mode Press Set softkey to save ZERO CAL the level set point NENNEN ENNNEN CANCE Figure 4 19 Calibration zero screen 65 Placement and calibration of sensors Calibrating toxic gas sensors 8 Press the Set softkey A screen displaying the zero cal intended and actual set point values will appear Press the Save softkey HN a calibration CALIBRATE Zero Cal x CO plus sign Pause MBH Span cal d pus cal minus sign indicates Intended Actual User Span cal has not
136. ng with the EVM and DMS you have the option to download data configure instrument parameters and configure quick setup features such as the time and date settings The following explains the EVM communication download and or setup steps 1 Plug the USB cable into the powered on EVM and then connect it to the computer port c 2 EVM Series e urn On e Plug in USB cable from EVM to pc Figure 6 Communicating with the EVM and DMS 2 From the start page of DMS select either Mika button see 1 or MAA button see 2 and the Instrument Communications page will appear with setup and download panels 3 Select Air Quality and then select EVM under Instrument see 3 and 4 You are now ready to setup or download your instrument see 5 Instrument Communications scent Sessions OQ and or 7 E anels n cr Click the 8 Ig buttons to docto Me if applicable Family Sound Level Meters Instrument Data Files E Select All File Name File Size Date Noise Dosimetry Air Quality Heat Stress E Go to Data Finder after Download A Delete Instrument e Refresh 2 Download o Stop Download Miscellaneous Setup Figure 6 1 DMS Start page and Setup Download options 102 EVM Viewing Data Downloading data with the EVM Downloading data with the EVM The Instrument Download feature enables you to download your files
137. nge is programmed between 1 um to over 100 um For example if you are measuring coal dust aimed at the lung area you would adjust your impactor setting to PM10 The following are the user selectable cut points PM2 5 PM4 PM10 or PM all dust ranging from 0 um 100 um NOTE the particulate size is written on top of the turret For PM there is no marking but is noted by the raised air chamber Adjust impactor turret for particulate logging 1 Using the keypad navigate to the particulate or composite measurement screen e How to From the Start screen press the Right arrow key Ml 00 19 20 lt gt PM2 5 ASHDUST 0 457 AVG 0 456 0 441 STEL 0 460 PM 2 5 amp profile displayed 0 477 TWA 0 018 Impactor setting updates as the turret is rotated when in stop mode 0 445 mm mg m m Figure 4 4 PM2 5 impactor setting example 51 Placement and calibration of sensors Adjusting the impactor turret setting 2 Twist the turret red casing around the impactor to the left or right until you see the appropriate setting on the display It will align to the impactor text and arrow on top of the housing NOTE The actual diameter of the air inlet hole is directly to the left of the impactor text positioning Air inlet hole for PM2 5 Air inlet hole for PM4 PM2 5 position PMA position i T a v PM position no text marking e Position used for zero calibration PM10 position Figure 4 5 A
138. ngs which include 2 5 um 4 um 10 um or none 100 um This is explained in more detail in Chapter 4 Collecting sensing the particulates Gravimetric sampling Pump Once the impactor setting is selected the EVM collects or measures real time aerosol dust concentration using a 90 optical light scattering photometer to determine the total mass concentration in units of mg m of particulate matter Additionally gravimetric sampling a more accurate method is also used to determine the mass of particulates Gravimetric sampling is a type of filtering L process in which the particulates are collected e TES and filtered into the gravimetric cassette after AU the dust passes through the optical engine of the EVM A user supplied sealed gravimetric cassette can be used in place of the cassette provided by 3M The sealed cassette can be A sent to a laboratory for analysis This testing is typically used to measure personal exposure to inhalable dust concentrations The pump is used in the particulate sampling process as a source of air movement so the particulates are aspirated or suctioned out and collected for measurement The flow rate is 1 67 Liter per minute The pump is typically calibrated before each gravimetric sampling 5 Gas sensors sampling Gas sensors and path Gas sensors sampling The EVM uses a unique smart sensor technology includes automatic sensor recognition and measures up to three gases simult
139. ntaminant gases Air velocity e Thetip of the Air velocity probe is very fragile LN FCC Compliance Statement e This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial or residential environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications If harmful interference occurs the user will be required to correct the interference at his or her expense Table of iv Table of Contents Contents Table of Contents Dangers warnings cala li Chapter 1 Introductio ind odit de Picus EG Rich Dona a cU iSc Rcge Orco tma binc eicit E Nds ROO adn 1 Particulate sampling Aerosols dust vapors eese eene nenne nete tette tenete tette tette tette tete tn tete sese se sese sese sese se sn tn sn as 2 Parculate pallide ico ui medio to dto to cd bL beo b co a 2 Proud SIA bd o rm cmm De EE DM NIE etre eet ieee dees Pace eee MELDEN EAD EL IAM UNI UAI 3 Pariculates arid cutsDOIDJ coste O III ME a M ETE 4 COME CHG SENSING the AIC UALS aae d orte berita ba rabat dd rota ae So 4 VIC Sammiplitig 45599 ennn a eo eee t o Mae M Mae Mo te b en 4 o
140. ny organizations have studied and analyzed the effects of toxic gas and particulate exposures As a result standards were developed to regulate exposure In the United States the Occupational Safety and 7 EVM Series Resources Health Administration OSHA the Mine and Safety and Health Administration MSHA and the American Conference of Governmental Industrial Hygienists ACGIH NFPA National Fire and Protection Agency National Institute and Technology NIST and American Society of Heating Refrigeration and Air Conditioning ASHRAE have all created regulations and limitations on total permissible exposure levels International standards are specified by the health and safety regulations such as the European Union EU and the European Committee of Air Handling and Refrigeration Equipment Manufacturers EUROVENT CEDOMAF For Canadian standards the Canadian Standards Association CSA specifies air quality guidelines regulations Resources To access some of these copyrighted standards please refer to the following OSHA http www osha gov NFPA 654 http www nfpa org MSHA http www msha gov NIOSH http www cdc gov niosh ACGIH http www cdc gov niosh ASHRAE http www ashrae org NIST http www nist gov IEC http www iec ch CSA http www csa ca EVM Series Applications A real time direct reading dust monitor is used in many different applications such as walk through surveys in manufacturing wood mak
141. o Ui 12 7 3 2 134 Appendix A Standard EVM 4 Memory and logged time Q ct 2 D S o 2 on D 2 uo o e D 3 I c 3 o O O v Y O a e J D z v ct Run Time Hours Logging Rate Number of Measurements Logged EEES EA SA 49 6 148 7 30 seconds 297 5 594 9 2974 7 5949 5 8924 2 17848 4 35696 9 Run Time Days Number of Measurements Logged WA AO AA Logging Rate 30 seconds 247 9 371 8 743 7 1487 4 Run Time Years Logging Rate Number of Measurements Logged OY NICO mein NO Re Ss Sa E oo 00 00 08 20 4 135 Appendix A Standard EVM 3 Memory and logged time ensors Run Time Hours Number of Measurements Logged ES AA PS AA 49 6 148 7 30 seconds 297 5 594 9 2974 7 5949 5 8924 2 17848 4 35696 9 Run Time Days Number of Measurements Logged o S ctr ER D o e 5 WN 5 o o U c D ect D 3 I c 3 e J D 2 D cor Logging Rate Logging Rate 10 3 U1 N oO 10 3 20 7 41 3 206 6 413 2 619 7 15 5 31 0 62 0 309 9 619 7 929 6 1859 2 1239 5 3718 4 2479 0 Run Time Years Logging Rate Number of Measurements Logged 62 0 123 9 619 7 1239 5 1859 2 3 18 4 436 9 12 4 24 8 123 9 247 9 371 8 743 7 1487 4 15 5 31 0 154 9 309 9 464 8 929 6 1859 2 30 seconds UJ EA N e Im wo AJN MN IO NJ OY UT DINO N e B E 1seconds
142. o Run Mode Selection Profile Name Date Sound Level Meters Noise Dosimetry Leedtesting Air Quality imed Run Heat Stress J Enabled 9 Date Day of Week Arizona ordiances 8 17 2011 10 26 47 AM Instrument te Date 2 EVM gt a nab J Enabled El X Start Date Start Time Duration Date 4 9 Enabled c x 115 Start Date Start Time 1 0 00 x Duration 10 00 00 y Save As H Save 2 Refresh i Ia M o f le Get Configuration Send Configuration 2 toad AM Besa x s Figure 6 11 EVM Auto Run with Date setting Day of week and auto run setting To enable Date mode please follow below 1 Click on the Auto Run tab see 1 from the EVM s Instrument Communications panel Click in the Enabled checkbox and click in the Day of Week field see 2 To select a day or days click in the appropriate day boxes To set the Start Time and Duration either click on the or type in numeric value see 3 To enable Day of Week 2 repeat steps 3 4 To set the auto run click on a sena conguraion configurations oon BP W MN or save and send to the EVM for more details see Saving and sending Detection Management Software BETA 1 File Configure Manage Tools Help Instrument Communications Data Finder o Instrument Configuration 12 Auto Run 3 dd ES Triggering a Logging 19 A Firmware Update 43 Configuration Profile Management Family Au
143. o maintain a quality work environment and conduct area monitoring samples throughout an entire facility e Specific areas in a plant facility used to identify key areas that may be toxic or unsafe and implement acceptable practices such as changes in the ventilation 9 EVM Series Models explained Models explained The EVM Series simultaneously measures and data logs specific sensors parameters that were ordered with your instrument The models sensors and accessories are explained in detail below Please refer to the part s listing for further details such as calibration accessories Y AirProbe 10 Particulates Carbon monoxide CO or 1 selectable toxic gas e Selectable toxic gas sensors include Carbon Monoxide CO 2 Chlorine CL2 Ethylene Oxide ETO 4 Hydrogen Cyanide HCN Hydrogen Sulfide H2S 6 Nitric Oxide NO Nitrogen Dioxide NO2 8 Oxygen O Sulphur Dioxide SO2 Volatile Organic Compounds with PID ppm or PID ppb sensor e ppm parts per million 0 2 000 ppm e ppb parts per billion 0 50 0000 ppb Relative Humidity Temperature Carbon Dioxide CO AirProbe 10 Y Particulates Y Toxic v Relative Humidity sensor CO v Temperature sensor v CO sensor Y PID sensor 10 EVM Series Models explained This page left blank intentionally CHAPTER 2 11 Checking the equipment Models explained Getting started This chapter is designed to guide you through
144. of the appropriate sessions are deleted or see the next section Delete All to delete all of the sessions Delete all sessions Once you have reviewed your data and possibly downloaded to DMS for future storage you can delete all sessions gt Deleting all sessions 1 Open the File System screen from the Start menu and select the Delete All Sessions menu Then press Enter a to open A delete message will appear Press the left arrow to select Yes and press Enter a to delete all sessions DELETE 4 Delete all sessions message All Sessions Press left right arrow to select Yes or No Then press Enter key YES J Figure 5 19 Delete all sessions message A message stating deleted all sessions will appear To return to the start screen press On Off Esc S 99 File System menu Memory remaining and file properties Memory remaining and file properties The properties screen displays the number of stored files the total amount of space used on the instrument and the amount of free memory space Viewing remaining memory and file properties 1 Open the File System screen from the Start menu and select the Properties menu by pressing the Down arrow key 2 Then press Enter a key to open the Properties screen e Num Files field indicates the number of files saved on the instrument e Used field indicates the amount of memory used in the instrument s file storage e Free f
145. ogramming is set from Sunday through Saturday Example displays Monday through Friday S hours mins secs Start time is programmed at 8 am 2 S 13 00 00 D 05 00 00 D hours mins secs Duration is programmed for 4 hours EONS Eum NENNEN NNNM Figure 3 26 Setting auto run DOW mode M NOTE To initiate the programmed run either power down the instrument or leave on 46 Setting up parameters via the keypad Auto run This page left blank intentionally CHAPTER 47 Placement and calibration of sensors Inserting and removing sensors 4 Calibrate sensors Placement and calibration of sensors Before you begin your measurement sampling it is recommended to calibrate the sensors you will be using This chapter focuses on inserting and removing sensors calibrating each sensor viewing past calibrations and how to verify your calibration set points Please reference the following sections which apply to your installed sensor components Calibrating sensors include e Particulate sensor starting on page 49 e Pump flow rate calibration starting on page 58 e CQ and O sensor starting on page 67 e Toxic sensors starting on page 63 e Photo Ionization Detector PID sensor for VOCs starting on page 71 e Temperature temp and Relative humidity RH sensors starting on page 74 Inserting and removing sensors The sensors you purchased with your EVM will be inserted factory calibrated and ready f
146. olatile organic compounds measured with a PID detector Serious long term exposure could lead to health affects including leukemia cancer eye and respiratory irritations and short term effects such as dizziness memory loss and visual impairments With the EVM you have the following parameters e Range 0 to 2 000 ppm Isobutylene e Calibrated with Sensitivity 1 0 using Isobutylene Response varies with each VOC e Units selection ppm ppb mg m for ppm PID sensor or ug for ppb PID sensor Temperature Relative humidity Dew Point It is important to monitor temperature control moisture relative humidity and monitor dew point levels in occupied spaces such as office buildings schools and hospitals to name a few With the presence of too much moisture mixed with dirt dust particles this can contaminate the environment and enable mold to thrive High levels of relative humidity RH is a contributor of spreading and growing biological pollutants such as molds mildew viruses mites building dust and pollen Failure to control water leakage from humidifiers refrigerators and ventilation equipment can also lead to high levels of RH and high Dew Point For appropriate air quality control RH levels should be maintained between 30 to 50 percent in a home office environment Some of the common side effects include nausea headaches running nose coughing and difficulty breathing to name a few What the standards say Ma
147. ommended For a 3 span calibration the range or span should be a sizeable fraction of CALGAZ the selected full scale range of the gas O Accuracy The range for O sensor is 0 30 with a typical span cal of 20 9 gt Calibrating a zero cal and span cal for CO or for 0 sensor 1 Connect one of the following gases with the regulator and inert tubing e N gas used for zero cal e COQ calibration gas e Room air for 0 calibration gas i e 20 9 2 Attach the regulator and tubing to the gas cylinder 3 Place the Cal cup over the Air inlet cover and slide the tubing over the black air inlet casing 68 Placement and calibration of sensors Calibrating CO2 AND O2 4 From the start screen press W Arrow to select Calibration and press Enter 5 In the Calibration screen press MAW Arrows to select CO or O CALIBRATION x Selecting a sensor d CO Press Up or Down Arrow FACTORY CALIBRATION CAL softkey 24 MAY 2009 10 29 33 noc HE e WENO Figure 4 23 Selecting a calibration sensor 6 Press the CAL softkey to open the CO Calibration Calibrate screen Allow at least 2 5 minutes for CO to stabilize 69 Placement and calibration of sensors Calibrating CO2 AND O2 e For the Set Points zero and span softkeys will appear Press either Zero Cal or Span Cal softkey See Table 4 2 for more information AMA a Softkey Menu Zero Span or Exit Figure 4 24 Calibration COz ready scree
148. omposite measurement displayed in the Gas measurement screen screen Figure 3 8 PID correction factor displayed on measurement screens 29 Setting up parameters via the keypad Changing units temperature particulates PID and air velocity Changing units temperature particulates PID and air velocity In the units screen the temperature particulates and the air velocity values can be displayed in different measurement units Temperature s setting is either Celsius C or Fahrenheit F with C as the default Particulates setting is either in mg m milligrams per cubic meter or g m micrograms per cubic meter PID PPM PPB sensor VOCs setting is either PPM or mg m PPB or ug m Air velocity setting is in meters per second or feet per minute NOTE if you do not have an air velocity sensor connected it will not be displayed in this screen Changing temperature particulates and or air velocity units From the Start screen see Figure 3 2 for details select Setup and press Enter In the Units screen press W Arrows to select the Temperature PM Particulates or Air Velocity field Once selected press Enter Bi select the units field Press ANY Arrows to select the appropriate unit Press Enter to save and move back to the first column To return to the start screen press On Off Esc amp twice to return to the screen NN setup UNITS Units TEMP oC Temperature 3 Particulate Measure
149. or usage To understand how to insert or replace a sensor this is discussed in the procedures below Note to order new sensors when expired see Appendix A Replacement and optional parts Inserting sensors 1 Ensure the instrument is turned off and the external power cord is disconnected Next remove the sensor bar by unscrewing two screws from the top compartment with a screw driver 2 Lift the cover off and set aside The location of the sensors is indicated in Figure 4 2 48 Placement and calibration of sensors Inserting and removing sensors 3 Remove the black manifold casing Manifold Sensor housing Figure 4 1 Sensor housing and manifold 4 To insert a sensor gently push the sensor s pins into the socket pin of the circuit board so it aligns accordingly It will fit securely 5 To remove a sensor pull the senor up horizontally and remove it from the sensor chamber 6 When completed replace the black manifold over the sensors and then place the cover over the sensor housing Tighten the screws back into place Sensor bar Remove screw 1 amp screw 2 and lift off cover 2 Temperature Screw1 Airinletcover e Relative Humidity sensor Dry bulb thermometer measures ambient air temperature Dial in Impactors Screw 2 PID sensor Toxic sensor CO Sensor Figure 4 2 Sensors locations 49 Calibrating particulates 2 Pump circulates the air through the t
150. osols dust vapors The EVM is a portable area monitoring instrument with a laser photometer that measures and stores concentration levels of airborne dust over time It is designed to measure and help you identify the air pollutants existing as matter gases and aerosols in the environment The methodology used entails a handful of components including an air inlet the impactor which is the particle size selector the collection of particulates gravimetric sampling and the pump which are addressed in the upcoming sections Particulate path 1 TURRET Air travels though the impactor and the larger heavier particulates will stick to the greased plates within the 4 impactor y 2 OPTICAL ENGINE While the pump maintains the flow rate the smaller lighter particulates will pass through the optical engine y 3 GRAVIMETRIC CASSETTE The particulates will collect trap in the gravimetric filter cassettes yl Turret ca D a Optical Engine Y NF cassette 35 m mu 4 PUMP The remaining clean filtered air passes through the pump ee ee 5 FLOW SENSOR The clean filtered air passes through flow sensor flow control orifice hole y 6 OUTLET Lastly it passes through to the Outlet on the back of the instrument Temperature sensor 6 y 5 Flow 9 sensor i 4 Figure 1 1 Particulate path diagram 3 Particulat
151. out View gt Report View Figure 6 5 EVM data in a report format 105 EVM Reports and Printing Customizing reports To modify the reports with customized headers footers report titles company logos etc the customize report feature may be used e From the report creation options box see A click on button e There are four windows to modify if applicable which ssec veces customizations ation cover page report and headers footers e The example below displays customizing the header and footer Report Creation Options Create Reports From O Panel Layout View D 3M Supplied Format Report Styles Select a report style Contemporary Customize Report Add or Update Customizations i Print la Save As ij Help cesonso COMM TL o Company information Cover Page Report Hesders Footers Enter Company Information C Name Quest Techno C y Phone 800 2450779 Company URL www Questtechnoloqes com 1060 Corporate Center Dr Address City hOwOC ste i Type in text or use the icons to create customized heading footer To change the 3M logo and add your company s logo click on the image icon CR tet ma 44 Dec 2012 202126 GMT Figure 6 6 Customizing DMS reports 106 EVM Reports and Printing EVM Setup 5 EVM Setup There are 7 configurable EVM setup screens see 1 in Figure 1 54 below in the setup p
152. pace see also Permit Required Confined Space A Confined Space has 3 components a It is large enough to enter amp perform work b It has limited means for entry amp exit c tis not designed for continuous occupancy Dew Point The dew point measurement is the absolute measurement of the amount of water vapor in the air indicating how much humidity is in the air It is also defined by Wikipedia as the temperature to which a given parcel of air must be cooled at constant barometric pressure for water vapor to condense into water The condensed water is called dew The dew point is also referred to as the saturation point Drift Is a percentage of signal loss of a gas sensor per month Correction Override Factor This is the correction override factor that is applied during your run or after a run for particulate measurements or PID VOCs measurements In DMS an override factor can be applied after a run via the Correction Override icon Please see Optional Correction Override on page 124 for operational details The applied dust override is displayed in the General Data Panel if selected under the sensor data list Dust Override Profile When setting up the Dust profile in DMS there is an active profile field The Dust Override profile field corresponds with the active or applied dust profile Dummy Sensor This is required to cover a sensor socket when no sensor is present to maintain unit to environment sealing cap
153. pears frequently this indicates the instrument may need to be serviced Please contact 3M s Technical Support for help Battery low The battery is almost depleted and powering off of external power NOTE you should turn the monitor off or plug in the power cord Right error Duplicate The dust profile names that the user can set must be unique or this profile name error will appear Please see chapter 3 for details Analog out channel If analog out is enabled and a sensor is selected such as CO and you sensor invalid remove that sensor this monitor warning will appear Re insert the sensor if desired NOTE the Digital out field will automatically disable and select the next available detectable sensor 165 Appendix E System errors displayed on the EVM System errors displayed on the EVM series Monitor Errors Invalid impactor setting to start logging Laser not functioning properly Logging stopped due to impactor change File system full Delete files to continue File system error Logging failed PID sensor error Pump unable to regulate Set time and date clock has been reset Digital out channel sensor invalid Explanation When the impactor reads at an incorrect setting it will not allow you to log without turning the turret to a correct setting Either the laser is unplugged or needs to be serviced Please make sure the laser is connected This is the multi colored cable which attache
154. ptions The EVM provides a choice of selectable logging parameters with a specific logging rate also called logging intervals and an averaging time Please refer to the Logging table below for an explanation of features 1 Click on the Logging tab see 1 from the EVM s Instrument Communications panel To change the logging settings follow one or all of the selection options below e Click in the Enabled checkbox to log specific parameters which includes Levels STEL Max Min and Avg See 2 e Click on the arrows and select a numeric value or type in a value e Select a Logging rate by clicking on the drop down arrow pnd selecting an option from the logging rate list 108 JEVM Reports and Printing EVM and logging settings 2 To set the logging settings click on LB sera contgurason oy save and send to the EVM for more details see Saving and sending configurations EVM logging parameters table Logging parameters Name Field Note refer to Glossary for more detailed information Logging setup To enable logging click in the specific checkbox to enable one or all of the following measurements Level The instantaneous measurement at a specific point in time STEL The maximum concentration above the time weighted average that employees can be exposed to over a specific time period usually 15 minutes no more than four 4 times per day See PEL for more information Max The maximum measurement over
155. r amp 7 NOTE The Typical minimum detection level is listed in parts per billion in the table below The EVM calculates VOCs in parts per million or parts per billion Gas VOC Formula Correction Relative Typical used to factor sensitivity PID ppb convert ppm measurement to 3 mg m C H O 4 9 HO C4HcOs CsHeO CH3CN C3H402 0 7 NR 4 0 2 1 ZR zl 4 5 Allyl chloride C3H5CI co Z Alu C7H1402 1 8 C5Ht20 3 C7H80 AsH3 C7H6O C6H5SH C7H5N C7H80 C7H7CI Acrylonitrile C3H3N Allyl alcohol C3H60 Oj O1 O1 OI PO I I Z Tl 148 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used to factor sensitivity PID ppb convert ppm measurement mg m to 0 O 5 2 2 2 CT0HT40 Chloro 1 1 1 2 tetrafluoroethane Chloro 1 1 1 C2H2CIF3 trifluoroethane 2 audi 4 NR NR T NR 0 9 8 1 3 8 R NR NR NR 149 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used to convert factor sensitivity PID i to ppb mg m Dibromochloromethane CHBr2CI 10 0 Dibromodifluoromethane CF2Br2 ZR NR Dibromoethane 1 2 C2H4Br2 2 0 Dibromotetrafluoroethane C2F4Br2 NR 1 2 Dibutyl hydrogen phosphate HC8H18 4 0 PO4 Dichloro 1 1 1 C2HCI2F3 NR trifluoroethane 2 2 Dichloro 1 1 C2H2CI2F2 NR difluoroethane 1 2 Dichloro 1 2 2 C2HCI2F3 NR trifluoroethane 1 2 Dichloro 1 2 C2H2CI2F2 NR dif
156. ration 6 Optional see step seven if not changing profile name To change the name of the profile ensure the profile field is selected and press the Enter Press AW Arrows to change the characters To move to the next position press lt gt Arrows then press Enter f 7 Press WW Arrow to select the Factor and press Enter a to move to the 2 column Press MW Arrows to change the numeric value Press the left right arrow key to move to the next position Continue this process until the appropriate number is selected and press Enter to confirm or Esc key to cancel changes 8 Press the On Off Esc e to return to the particulate screen 9 To apply a new profile select the profile field and move to the second column by pressing Enter a Then continuously press WwW Arrows until the appropriate profile correction factor is selected Press Enter a to return to the first column 10 Press On Off Esc C9 twice to return to the start screen 33 Setting up parameters via the keypad Particulate pump enable or disable Particulate pump enable or disable You may wish to disable the particulate pump for situations in which the environment is too dirty for the particulate optical engine or if you want to keep the engine and pump clean and dry from oily mists liquids or fogs elements Additionally you may want to log other parameters such as CO Toxic and or temperature and humidity parameters and exclude the particulate
157. ric cassettes for pump protection Order Part Number 074 076 5 3M also offers a 10 pack order Part Number 074 090 However 3M does not offer any other filters for special testing Toxic Sensor measurements 1 2 pP Question How many toxics can measure simultaneously Response Solution One toxic sensor which is located in the left position of the housing in addition to PID middle position and CO right position Question What s the life expectancy and warranty on the various Sensors Response Sensor Type Life expectancy Particulates sensor 5000 hours for the laser photo meter PID sensor for measuring VOC s 2000 hours in clean air environment replaceable 1 year bulb and grid ide CO Nitrogen Dioxide NO3 Oxygen Oz Sulphur Dioxide SO ump Airflow measurements Question How is the flow rate controlled Response There is a differential pressure sensor on the PC board that is used to measure the pressure drop across the orifice above The reason is to maintain the correct pressure drop across the orifice Question Will the pump always regulate Response The pump tries to maintain 1 67 lpm flow rate When the flow rate is not maintained the message Pump unable to regulate will appear on the screen s display Solution 1 the gravimetric cassette may need to be replaced 2 detach any external devices such as a cyclone Carbon Monoxide CO 2S 160 Appendix D FAQ s 3
158. rman French Italian and Portuguese Backlight State The backlight is used to illuminate the screen from a dark gray to a light gray color Key Clicks With the key click setting you can turn the sound to on and each time you press a key on the keypad you will hear a soft click sound This can be disabled by choosing the off setting The temperature unit is selectable either in Celsius or Fahrenheit via a dropdown box Units PID Correction The PID correction factor is automatically set to 1 0 For best results it is recommended to add a correction factor to the Factor relevant VOC you intend to measure Note Appendix C of the EVM Series User Manual provides a listing of PID correction factors Air Velocity Input Air Velocity measurements are conducted with an add on air velocity probe and can be enabled disabled in DMS Note the Enable instrument will automatically detect if the air velocity probe is connected Air Velocity Units Air velocity units if enabled and an air probe is connected is measured in either meters per second m s or feet per minute ft m Molecular Weight The default Molecular Weight is programmed to 56 with a correction factor of 1 To change this value either type in a new value or use the up down arrows The PID PPM or PPB sensor for VOC measurements setting is one of the four PPM mg m 3 PPB or ug m 3 EVM and logging settings The EVM logging screen is used to setup your data logging o
159. s 1 Gas VOC The most common name for the VOC If you cannot find the name of your VOC of concern then please refer to Ion Science s website Formula To further assist in identifying the VOC this also is helpful in identifying its molecular weight from which ppm measurements can be converted to say mg m measurements Response Factor RF also known as correction factor Multiply the output response from the cell by the RF to provide a normalized scale of VOC concentration Relative sensitivity This is the inverse of the correction factor specifying the percent response of the VOC relative to isobutylene If less than 100 then the VOC is less responsive than isobutylene if the relative sensitivity is greater than 100 then the VOC is more responsive than isobutylene Relative sensitivity 9o is specified the same way as cross sensitivity for toxic gas sensors Typical Minimum Detection Level MDL or Minimum Detectable Quantity MDQ Typical lowest concentration that can be detected The Mini PID HI has greater sensitivity than the Mini PID LO so MDL s for the Mini PID HI are much lower The RF is measured in dry air high humidity will reduce this factor by 10 to 20 so the RF should be increased in high humidity s 147 Appendix C PID cal correction factors Y Attention In the table below a Correction factor listed as NR indicates no response since not all VOCs or gases can be measured with a PID senso
160. s AW Arrows To move between the fields press lt gt Arrows Repeat as necessary IMAN Duration TIMED RUN e Select the hours minutes seconds D 1 00 00 with up down arrows and press Enter to move to the next field Figure 3 23 Setting timed run and duration 7 Press Enter a to save your settings kT NOTE To begin the Timed run press the run stop key and the instrument will automatically stop at the programmed duration Auto run with date mode With the date mode it will wake up the instrument from a powered down or on condition runs the study saves it then powers down again Up to four date settings are programmable with a specified date time in hours minutes seconds and duration via the softkeys Setting auto run with date mode 1 From the Start screen select and open the Setup screen 2 Select Auto Run by pressing MAW Arrows and press Enter f 3 Press Enter a to select the 2nd column value field and press Ay Arrows repeatedly until Date appears 44 Setting up parameters via the keypad Auto run 4 Next press one of the softkeys This will open a Date Auto Run screen IMM AUTO RUN TA e Select a softkey to setup the VIEW SET PARAMETERS Date Auto Run parameters e Once set one will appear as rone which is turned on THREEM FOUR Figure 3 24 Selecting auto run with date mode 5 If off appears under Auto Run press Enter or skip and see step 6 6 To change the fi
161. s SOS Of ans Die ate itk Graben pad annie eR OR 62 Figure 4 18 Selecting sensor for calibration DOCE acte sd utto oaa eobcup a 64 Figure 4519 Calibration Zen OS Chee scree om rcu ttm heit iei ut vers eee Des DD CAT DL Cd dn edd Vt D ma e dE 64 Figure 4 20 Calibration zero pause Screen dd UD t iE 65 Fig re4 21 Span Cala dote epe ro er rtr RM hn Ru eo trs a dava rd i DR educit E Ser EUMD nanan Se dnas ud Eder RSS 66 FUE 42225 Saved alba or Scree estas pedea dtu dro utro ds O AAA taa 66 Figure 4 23 Selecting a calibration SP SO ad eet reote arc A cde Rapt E su ocu pte UEM NR M EUR 68 Figure 4 24 Calibrauomo 92 Toad yS6l COIN sas siia on ai 69 EIgure 4 25 Setting CO7 Span Cal SCIBBL Iouem tu rase tento Fett dote tontad diia 70 Ri II A 70 Figure 4 27 Selecting PID sensor for calibration process rr A A A A A A a e dre 71 Figure 4 29 CalibFauon mode Seal 72 Rigure 4 29 3 PID Sallbratori SDalt SUI asa id a as T3 Figure 30 Saved Gali Drati DS EEG eite a eiue indie ae Scaled a nd ito eiae epe EMI D Aem EAT e EUM 74 Figure 4 31 Temperature calibration ano dadas Adi 75 Fig re 4 32 Calibration HIStory SCreen nsira E E AEE eda Rd Rte d E 76 Figure 4 33 Calibrate offset verify screen for PID SNS caido te hi terii d irae trie dd TT gie sm eM Calibrating PID ae a T8 Figure 5 1 Quick help list for running a study A AA ical o eben i e relais ee Ini RE Pe UL vnb 80 Figure 5 2 Sample summary data from DMS reporting
162. s TLV Threshold Limit Value NOTE This measurement is not applicable with temperature relative humidity or air velocity Sensors Photodiode A type of photodetector that is able to convert light source into either current or voltage With the EVM it is used to measure the amount of light scattered from a particle cloud ppm ppb Parts per million or parts per billion of concentration of the gas of interest in air For example 1 ppm signifies one part of gas to 1 million parts of air REL Recommended Exposure Limit Exposure limits set by the National Institute for Occupational Safety and Health NIOSH 145 Appendix B Relative Humidity The relative humidity of an air water mixture is defined as the ratio of the partial pressure of water vapor in the mixture to the saturated vapor pressure of water at a prescribed temperature This can be calculated by dividing the temperature and dew point readings and multiplying by 10096 Relative Sensitivity Toxic and LEL sensors are calibrated to detect a specific gas However there may be some cross sensitivity of the sensor to other toxics or combustibles TIME Point in time when the maximum exposure will occur from the beginning of any 8 hour period TLV Threshold limit value the level of exposure that a worker can experience in the workplace without an unreasonable risk of disease or injury These are not estimates of level of risk for different exposure levels nor do they
163. s above with service provided or arranged through the authorized 3M distributor or our 3M European Service Laboratory Foreign purchasers should contact the local 3M authorized sales agent for detail THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE ARE LIMITED TO ONE YEAR FROM THE PURCHASE DATE 3M shall not be liable for any other warranty express or implied arising out of or related to the appropriate use of hearing protection devices Manufacturer or its agent s liability shall be limited to replacement or repair as set forth above Buyer s sole and exclusive remedies are return of the goods and repayment of the price or repair and replacement of defective goods or parts RE APPENDIX Glossary of Terms ACGIH The American Conference of Governmental Industrial Hygienists organization in the United States Air monitoring Sampling for pollutants in the air using a variety of means such as sorbent tubes bags filters and sampling conventions Air pollutant Any substance in air that could in high enough concentration harm man other animals vegetation or material Pollutants may include almost any natural or artificial composition of airborne matter capable of being airborne They may be in the form of solid particles liquid droplets gases or in combination Air pollution Air pollution are chemicals present in the atmosphere which are normally not a part of the atmosphere Basically air pollution i
164. s air that is contaminated interferes with human health or welfare or harms the environment Some examples include dust smoke and a variety of toxic gases such as carbon monoxide Air quality monitoring Sampling measurement analysis of airborne pollutants Air quality standards The level of pollutants prescribed by regulations that are not to be exceeded during a given time in a defined area Airborne particulates Total suspended particulate matter found in the atmosphere as solid particles or liquid droplets Chemical composition of particulates varies widely depending on location and time of year Airborne particulates include windblown dust emissions from industrial processes smoke from the burning of wood and coal and motor vehicle or non road engine exhausts ASHRAE The American Society of Heating Refrigeration and Air Conditioning Engineers in the United States Bump Test A functional test of the sensors installed in the gas monitor Calibration gas is used for a bump test 141 Appendix B Calculating particulate matter The worker exposure assessment on the EVM is based on a gravimetric analysis with filter samples drawn over a period time If acute effects exist from personal inhalable dust the sampling analysis allows for short term analysis STEL Ceiling This is the maximum allowable concentration of a chemical that an employee may be exposed to It must never be exceeded even for an instant Confined S
165. s from the laser to the connectors located by the gravimetric cassettes The instrument does not allow you to change the impactor setting during run mode To correct this stop logging Change the impactor and then continue with Running logging measurements Files will need to be deleted before proceeding with logged measurements Please see File System menu for more information Message will appear when there is not enough memory to store new files You will want to delete files in order to proceed See File System menu for more details This indicates one of the following 1 Clean the sensor 2 The lamp needs replacing 3 replace the electrode pellet 4 or replace the sensor The pump tries to maintain 1 67 Ipm flow rate When the flow rate is not maintained this message will appear Reason The gravimetric cassette may need to be replaced or detach any external devices such as a cyclone Or it will need to be serviced This will appear if the battery was depleted You will want to reset the time and date NOTE the time and date field are used for calibration and logged files If digital out is enabled and a sensor is selected such as PM and you remove that sensor this monitor warning will appear Re insert the sensor if desired NOTE the Digital out field will automatically disable and select the next available detectable sensor System errors displayed on the EVM series Monitor Errors Sensor not found xx
166. s message sucia tel rta Siva ospedale bti aa rose pl a UE ua licae b cha tia 98 Figure 5 20 File Systems properties Serenata calet enduro lnc tun del ioca bd Pdl Futuna eat ter apte 99 Figure S2 15 WIG WING estimated TUN ET Gc snena ede en yeavasincysdessta Pede a ence ot debes dala teda co pude vod ua ped 100 Figure 6 Communicating with the EVM and DMS aad aha rato a rdi desta pas c Mult ea foe S LARA Nc ET 101 Figure 6 1 DMS Start page and Setup Download options eidem ai aa 101 gis dose EVM and downloading rr A A A Rita 102 Figure 6 5 Data finder Palta rada ada decana adds 102 Figure 6 4 Charis and Graphs POS Par A a ecu rn ote E SR RAE ERE 103 Figure 6 5 EVM data in a report IO Mai NENE NN Tte dU NEN Du 104 Figure 6 6 Customizing DMS TODOS a nado rat de se b pem iR HER ee n E tesi vum ein DUREE Muta Ue eT 105 Figure 6 7 oaving and sendirid EVM SEUSS ceiste derta saatetaan dedu oce leido ici ideal rez ab goto ninio eiii adios 106 Figure 6 8 General EVM S6tUpS ubi o debis td DIR Ut iliud ct e a Es culti ictu da aaea narak eain id toL serias 107 Figure 6 9 Logging EVM SOUS ciis dekih tamen Lettera a b e ec a Pra ER bdo bu da cab 108 Fig re 6 10 EVM Timed RuABO HESSE edidi ctu tein tto Non edd clans Fade ton Peace E cin 109 Figure 6 11 EVM AutoRun with Date sendas A eet tb anus isa 110 Figure 6 12 EVM Auto Run with Day of Week SDN sme trot mem e OE 110 Figure 6 13 EVM Auto Run with Day or Week Seller dentato peu tne ei me ver posa roe
167. s see Saving and sending configurations Detection Management Software BETAI File Configure Manage Tools Help Instrument Communications Data Finder i gt 2 a y 2 Auto Run ity y General 9 Triggering A Logging SB Particulate 2 Firmware Update dy Configuration Profile Management Family Security Setup Default Profile Name Date Sound Level Meters a Ea Arizona ord 8 17 2011 10 26 47 AM ecure Setup Mode Y Enabled E rizona ordiances 2 A Noise Dosimetry 9 Air Quality af Leedtesting 8 8 2011 2 35 07 PM ir Quali Heat Stress ie E QuestDefault EVM 7 28 2011 10 01 42 AM Instrument Secure Run Mode Enabled unm fon E ecure Run Passcode m Jl Save As E e Refresh e Get Configuration E Send Configuration ej A e Figure 6 13 EVM Auto Run with Day of Week setting EVM and triggering settings There are two types of triggering outputs which may be programmed to with one of the seven sensors Note please refer to the EVM triggering table identifies the components of this setup screen e Digital output the user can connect an external device to the monitor This can be used to signal a specific level to turn on a notification device an LED or a fan motor at a specific threshold or set point Once enabled the following three are selectable parameters a sensor logic setting and threshold setting e Analog output Enables the an
168. s the user to install a pull up resistor 35 Setting up parameters via the keypad Auxiliary input output Digital Out Logic Explanation Active High Pulse The output will assert an active high pulse for approximately 50msec when the threshold is exceeded Active Low Pulse The output will assert an active low pulse for approximately 50msec when the threshold is exceeded threshold is exceeded threshold is exceeded or off Table 3 3 Digital out Logic settings I NOTE The system maintains a hysteresis window around the threshold to prevent output chattering Setting or changing digital output From the Start screen select Setup menu and press Enter 9 Press W Arrow repeatedly until Aux I O and press Enter a Select Digital Out and press Enter a E pe po Py In the Digital Out screen do one of the following e Dig Out field select via W Arrows and press Enter f Press Arrows ANy to Enable Disable e Sensor field select via Aw Arrows and press Enter a Press Arrows W to select one of the sensors e Logic field select via MAW Arrows and press Enter a Press Arrows S to select one of the triggering modes e Threshold field select via MX Arrows and press Enter a Press MW Arrows to select a value 5 To return to the Start screen press the On Off Esc e twice AAN a Setup AUX DIGITAL OUT DIG OUT Enabled SENSOR PM Digital Output parameters LOGIC Active High Threshold 0 000 mg m Set Digi
169. screen you were previously viewing I e PM measurement screen M Auto Run Note ifan auto run session has been set the auto run summary screen is displayed prior to turning off See section Auto Run in Chapter 3 Instrument Information The general information screen also called the unit info screen is used occasionally to check the type of instrument you purchased and displays the serial number and firmware versions Unit information screen Opening the unit info screen 1 Turn on the EVM by pressing the On Off Esc e l 2 In the start screen press the down arrow repeatedly until Unit Info is selected and press Enter e The unit info screen will appear DUE UNIT INFORMATION is Serial number EVM Serial 4 0123456789A Hardware Unit Rev B 42A EE version of Revision HDW REV 1 oiu L PwrMgr Rev B 106 ook up key CC NENNEN NENNEN eee Figure 2 4 Unit Information screen 17 Instrument Information Unit information screen 3 To view the installed sensors repeatedly press Enter S and it will display the Unit Info screen with the installed sensors See Figure 2 6 4 Or press the Look up key Then press the AW Arrow to select and press Enter f to open the screen Repeat this step to view the other sensor rana WF M displayed UNIT INFO Sensors Look up key Un Sensors 1 3 Select and then press Enter to view the sensor s parameter FS Sensors 4 7 Figure 2 5 Selecting Unit Info Sen
170. screens press lt gt Arrows NOTE for particulates ensure the impactor is well greased before measuring see Impactor care for details 83 Measurement screens and navigation Logged data Time history Running and Stopping measurements 1 From the start screen or any of the measurement screens press the Run Stop key to begin measuring e A 5 second countdown will appear with a run message in pause mode when the particulate setting is enabled 2 Press and hold the Run Stop key to stop measuring LLO gt gt 00 02 36 Run mode 1 22 PID 2 22 CO 950 Temp 74 0 CO 75 RH 44 8 DEWPT 51 2 Level values for each sensor M Shortcut Press Enter key to toggle through different measurement units LEVEL mg m Figure 5 4 Composite measurement screen in run mode Measurement screens and navigation To navigate through the measurement screens repeatedly press jJ Arrows key from the Start screen The start screen is the second screen you encounter after the initial splash screen Looking at the measurement screens clockwise or pressing gt Arrow key you will see the particulate measurement screen The subsequent screens that appear include the relative humidity and temperature screen the gas screen the composite screen and the air velocity screen Depending upon the sensors you purchased the installed sensors and the measurement setup you may see some variations in the upcoming
171. sette sizes ss 159 Gravimetric Sample Backpressure capabilities inches water column E E HM AHE 159 How can we verify the constant flow 160 How do we Calibrate the pump 160 How is the flow rate controlled 159 How are theParticulates calibrated in the factory 158 How many toxics can measure simultaneously 159 How often to calibrate the pump 160 Lamps will be available 9 8 10 6 11 7 eV 161 Life expectancy amp warranty on the various sensors 159 Maintenance and lamp questions 161 Measuring range and display 161 Mechanical What is the long black plastic bar over the sensors and how AS US 161 Particulates Adding correction factor after running logging particulate measurements 159 Calibrate before run real time particulate A tutu ou cus 158 Calibrate particulates in accordance to NIOSH0600 dolce dec Ec ee A 158 Clean the optical engine photometer 158 Correction factor S cc eti esci Deeds 159 A Eosdecde betonen 158 How often to apply grease to impactors 158 Impactor cut points eees 158 Impactor function when there is a build up of particulates in a conical shaped pyramid 1
172. sors 5 Unit Info screens are displayed below e Screen A displays the particulates PM temperature temp and humidity as Installed or Enabled sensors e Screen B displays CO CO or installed toxic sensor and PID with the associated serial numbers Air Velocity is listed as Not Found which indicates that the sensor was not installed SENSORS 1 3 SENSORS 4 7 PM10 Enabled CO 001146 Temp Installed CO 4CF034018 088 Humidity Installed PID 150508030 Air V Not Found CO EE O eee CO EE O ee Figure 2 6 Viewing installed sensors 18 3MTM Detection Management Software DMS Unit information screen 3MTM Detection Management Software DMS DMS is a software application designed by 3M that runs under the Windows operating system You can use DMS for a variety of functions such as customizing your set up parameters displaying data manipulating data and creating reports Communicating A USB cable included in the kit is used for communicating between the EVM and the software First remove the black rubber casing over the ports and then insert the USB cord in the bottom connector See Chapter 6 for more details on software and the EVM Figure 2 7 Communicating with DMS via USB cable 19 Communicating Powering and outputs on the EVM Powering and outputs on the EVM Battery The battery is an internal Lithium ion Rechargeable battery pack The minimum hours of operating time is 8 hours of contin
173. ssions studies displayed in the panel section of your screen e Data Panels D used to view your measurement and or parameters from your study Note use the menu bar icons and or configure icon to customize parameters e Toolbar and Configure button E used to customize or select different measurement parameters jn ana pl Contgue EE OR Le E button amp Toolbar Figure 6 4 Charts and Graphs panels 2 Tochange the graph table data parameters click on the ke Configure button Each graph table may have different configurable parameters depending on the parameters applicable to the specific panel 3 To view the data as a report click the Reportview button see F Note the panels will print in the order in which they are displayed in the panel layout page 4 The quick tips below explain how to customize the panels and or graphs tables e To stretch the graph tables click on one the corner s edge of a chart or table and drag the mouse The graph table will expand or shrink when resizing e To move the graph click drag and drop to the appropriate panel position e To change ranges when clicking on either the x axis or y axis click and drag the mouse until the appropriate range is selected Note it will span the numbers up or down depending on how you drag the mouse e To save a layout Right click outside the tables graphs area as displayed below Click Remember Setting See F
174. surements and PID PPB PID sensor for VOCs AA Volume Gravimetric volume for the particulate measurements Mass in Milligrams Gravimetric accumulator mass for the collected particulates m s Meters per second This is the unit of measurement for metric air velocity ft m Feet per minute This is the unit of measurement for air velocity Table 5 1 Unit abbreviations 85 Measurement screens and navigation About the measurement softkeys About the measurement softkeys Each measurement screen has softkeys extended menus which are used to view different measurements NOTE press the Enter key to toggle through the various measurements UM 00 02 36 lt gt COMPOSITE PM 1 22 PID 2 22 CO 950 Temp 74 0 CO 75 RH 44 8 DEW PT 51 2 LEVEL mg m Softkey menus Used to select additional menus or different measurements units Figure 5 5 Example of measurement softkey menus Measurement Explanation Softkeys Lookup Lookup icon eyeglasses softkey used to select and view softkey different measurement values on the particulate and air velocity eyeglasses screens e Level Maximum Minimum Average Short Term Exposure Level STEL and Time Weighted Average TWA Select softkey Select softkey if more than one sensor parameter is selectable on a measurement screen this is used to select a Com sensor such as temperature toxic gas sensor PID sensor etc If you are on the composite screen
175. suring How particulate factors are adjusted and calculated All particulate profiles are factors are calibrated to Arizona Road Dust ARD with it s particle size and composition Other dust compositions can be measured accurately by adjusting a profile s correction factor amp NOTE For best measurement results it is recommended to enter in the dust correction factor prior to your particulate study This may require a gravimetric sampling To calculate a correction factor please follow the guidelines below 1 Run the instrument in the applicable environment for a set period of time volume i e 6 8 hours e Accumulators v The gravimetric mass accumulator will display the amount of dust accumulated based on the active profile 31 Setting up parameters via the keypad How particulate factors are adjusted and calculated v The gravimetric volume accumulator will display the amount of volume passed through the gravimetric filter After the run check the gravimetric mass accumulator compare to what was actually measured from the lab and enter in a correction factor NY For example before measuring ensure the gravimetric accumulators are reset and the gravimetric filter is replaced Next you measure for four hours and the gravimetric accumulator is displayed as 10mg Then you measure the dust in the gravimetric filter or cassettes and determine the actual weight If the actual weight is 20mg you would change the corre
176. t 9 Alt f key 3 Particulate pump 4 Left arrow 10 Enter key 1 Right arrow 12 Down arrow 13 On Off and Esc gt 5 Run Stop A ur u v gt Figure 2 2 EVM keypad and display explained 13 Display and keypad Keypad description Keypad description 1 Display Used to view data menus and various indicators 4 Left arrow Used to toggle through the views and to move left through menu selections TT RS Used to Run or Stop log session 5 Run Stop 6 Indicators Status information is provided by the instrument at the top of the display 7 Softkeys The softkeys are only applicable when a second menu appears above the keys For example in the Dust measurement screen a lookup softkey a trend menu and a detail menu appear directly above the softkeys on the display 2 Backlight Used to illuminate the background of the display screen i e nighttime study 3 Particulate pump Used for particulate measuring Toggles the internal pump on and off used for particulate measurements 8 Uparrow Used to select menu options in the setup screens and select measurement values or data 9 Alt key The Altf key or Alternate Functions is used to switch between softkey menu and selected menu This is an option in various screens ie calibration screens 10 Enter key Used to open a selected menu Toggles through selected measurement parameters when viewing measurement screens
177. t Output connector The air velocity wand also uses this connector The following diagram depicts the backside of the instrument without the back cover and the black rubber casing removed For more information on connecting and using a stereo plug see Appendix D page 160 Power jack Analog amp Digital Outputs USB port Figure 2 8 USB power jack and digital output port 20 Communicating Powering and outputs on the EVM This page left blank intentionally 21 Setting up parameters via the keypad CHAPTER 3 Time and date setting Setting up the EVM The focus of this chapter is to address all of the setup options available on the EVM Once your parameters are selected you will want to refer to the Calibration chapter see Chapter 4 M NOTE if you are using DMS you may want to program all of your settings via the software In the program it allows you to save setups and apply them for future measurements tests Please refer to Chapter 6 for DMS details Setting up parameters via the keypad The following user adjustable setup screens are explained will appear for all instrument models Time and date screen Battery power check screen Logging screen includes selecting the logging interval averaging time and logged measurements Display settings include key clicks language and display contrast features Setting up Input Output I O options including digital out air velocity or analog out If you
178. t include the weight of the cassette To determine the correction factor calculate the ratio between the particulate mass value and the weight from the gravimetric filter lab analysis Vi For example let s say that you measured for 8 hours in a wood shop and the PM mass accumulator displays 10 mg Next you measured the dust in the gravimetric filter cassette and determined the weight as 20 mg To calculate the correction factor you divided 20 mg by 10 mg and determined the value as 2 Lastly the correction factor of 2 is multiplied by the existing active profile correction factor and is entered as the new correction factor Setup PM EDIT PROFILE 57 Placement and calibration of sensors Performing a gravimetric calibration Performing a gravimetric calibration Ensure the gravimetric cassette is new before beginning 1 Place the instrument in the appropriate environment 2 Turn on by pressing On Off Esc e 3 Inthe Start screen select the Setup menu and press Enter a Next select Particulates by pressing the Down arrow repeatedly and once selected press Enter f 4 Inthe particulate screen the reset gravimetric accumulator fields will display either a value of the collected dust or it will display zero if already reset When beginning a gravimetric calibration ensure this is set to zero MN Setup PARTICULATE Particulate Enabled Profile 1 Profile 1 Rasel 0 040 mg Reset Gravimetric softkey 6 64 m fi
179. tailed specifications 1 Carbon monoxide CO with a range of 0 1000 ppm 2 Chlorine CL with a range of 0 20 ppm 3 Ethylene oxide EtO with a range of 0 20 ppm 4 Hydrogen cyanide HCN with a range of 0 50 ppm 5 Hydrogen sulfide HS2 with a range of 0 500 ppm 6 Nitrogen dioxide NO2 with a range of 0 50 ppm 7 Nitric oxide NO with a range of 0 100 ppm 8 Oxygen 0 with a range of 0 30 9 Sulphur dioxide SO with a range of 0 50 ppm 10 Ozone O3 with a range of 0 1 0 ppm 60 Placement and calibration of sensors Cross sensitivity The sensors are based on well established electrochemical sensor technology They are designed to be maintenance free and stable for long periods of use Cross sensitivity The following table illustrates the cross sensitivity to a range of commonly encountered gases expressed as a reading of the sensor when exposed to 100 ppm of the interfering gas at 20 C e Interfering Gas CO HS SO NO NO H CL HCN CH HCL CL O CO 100 7 lt 10 9 lt 20 40 ND ND N DD ND ND ND HS 2 100 10 1 20 1 N ND N D ND N D ND NO 5 lt 5 lt 5 o 100 ND ND ND N D ND ND N D NO o ND 5 100 30 ND ND ND N D ND ND ND HON ND ND ND N D ND ND N D ND N D ND ND ND 20 lt 10 0 50 5 N D lt 10 N D N D Os 8 ND ND ND 60 o 120 ND N D 150 150 150
180. tal Out gt Figure 3 13 Configuring digital output 36 Setting up parameters via the keypad Air Velocity Air Velocity Setting the air velocity parameter is fairly simplistic however ensure no other outputs are enabled prior to setup The EVM will display a pop up message if more than one output is enabled You will have to disable all other auxiliary outputs before proceeding with air velocity setting When air velocity is enabled you can measure log with the 3M AirProbe10 optional accessory 1 2 3 Setting air velocity From the setup screen select Aux I O and press Enter B Press AN Arrows to select Air Velocity and press Enter a To change the setting from either enabled or disabled press Enter a MP Setup AUXMAIR VELOCITY AIR VELOCITY Air Velocity disable enable Figure 3 14 Air Velocity setting Press MAW Arrows to change the setting M NOTE if you have either the digital out or analog out setting enabled an pop up message will appear explaining to change the other settings before enabling air velocity 4 Press On Off Esc C9 twice to return to the start screen 37 Setting up parameters via the keypad Analog out Analog out The analog out channel provides a voltage reading that is proportional to the sensors output The analog out channel can be configured to track any installed sensor The example displayed in Figure 3 12 shows the results of measuring
181. the gravimetric filter since the last time it has been reset volume 114 EVM Reports and Printing EVM and particulate settings Get setup from Retrieves the setup configuration from the device for the General Input Output and Dust Configuration tabs instrument button Send setup to Sends the setup configuration from the General Input Output and Dust Configuration tabs to the device button Saved setups From this window you can save or load a default or custom configuration profile that has been or will be archived for window quick access a EVM Firmware update The firmware update screen is used to update the latest software to EVM Series With a firmware update the Web Server option enables you to update through an internet connection If you do not have internet capability the File option is used in place of the first option Note contact 3M for details on obtaining a CD for updates www 3m com detection or email 3Mdetectionmail mmm com Please follow below to update your instrument 1 Ensure the EVM Series is communicating See EVM Communication setup above for details 2 Click on the Firmware Update tab and either select Web Server or File 3 Click on the vane button to send to the instrument CHAPTER 115 Maintenance and Cleaning PID Sensor 7 Maintenance amp cleaning Overview The maintenance and cleaning chapter discusses how to care for the following items e Care a
182. tion consisting of a zero and a span calibration The flow rate at LPM is recommended for best performance results i e accuracy and repeatability To perform a zero calibration Pure Air or Nitrogen should be used To perform a span calibration Isobutylene gas should be used if the specific VOC is unknown or a specific VOC gas can be used To calibrate the PID sensor navigate to the CALIBRATION PID screen and perform a zero and span cal by applying gas to the monitor using the supplied calibration cup See Chapter 4 of the EVM Series User Manual for details on PID calibration b How often is calibration recommended Response Solution 3M recommends calibrating the PID sensor prior to running a log session to adjust for sensor drift and wear 5 PID Correction Factors a Question Do you have a correction factor chart or a library of PID correction factors for various VOCs Response Solution 3M has included a correction factor chart with the various VOC s in Appendix C of the EVM series user manual Please reference as needed 6 Cleaning Maintenance Question a How do know when to clean the PID sensor for VOC measurements Response Solution A PID sensor error message will appear on the screen which indicates 1 clean the sensor 2 the lamp needs replacing Power 1 Question How long will the battery last with the EVM series Response Solution The battery is an internal lithium ion rechargeable battery pack which will last at le
183. to Run Mode Selection Default Profile Name Date Sound Level Meters V Enabled Noise Dosimetry DP Leedtestin 8 8 2011 2 35 07 PM Air Quality Timed Run 3 Heat Stress gt QuestDefault EVM 7 28 2011 10 01 42 AM Heston 1 L O Timed Run 72 Day of Week Date 9 Day of Week E Arizona ordiances 8 16 2011 1 54 07 PM 7 Sunday Y Monday Y Tuesday Y Wednesday o v Thursday Y Friday E Saturday Day of Week 1 Day of Week 2 Y Enabled V Enabled Start Time 08 00 00 Start Time Duration 08 00 00 Duration y Save As EJ Save 2 Refresh e Get Configuration E Send Configuration e lend 4 Delete n Bess Figure 6 12 EVM Auto Run with Day of Week setting 111 EVM Reports and Printing EVM and security settings 5 EVM and security settings The security or lock feature is used to prevent a user from interrupting a run and or prevents someone from changing a setup or saved setups on the instrument NOTE a default code 9157 will disable secure run or secure setup if the numeric Passcode is forgotten 1 Click on the Security tab see 1 from the EVM s Instrument Communications panel 2 To set the Secure Setup Mode or Secure Run Mode please follow below e Click in the Enabled box to turn on secure run setup mode and or secure run mode 3 Type in a passcode 4 numeric characters 4 To set the auto run click on or save and send to the EVM for more detail
184. uaranta caeco co hara Fea ea Ada 90 COMPOSE SCI NS sce Sab cer A LE MU EL MUI UM cues 91 Air Velocity meaursuremenb scr noia RUN Rd 92 SIE Dali OO TAI I IO IO RE 93 Viewing details in the measurement screen cnc 93 DEDE 93 Viewing trend data in the measurement screen essere nennen rere nnne nennen nineteenth te tete iere tata rn tessera nean ae 94 Past SESSO naonin c Pd DE Li A Md Cni D IHE dE IU TER fe 95 Summan dala SCEO e o A E Eo R eats 95 PIG System Melania 97 Dele ind SESSIONS MA dde 97 DEACERO 98 vii Table of Contents Memory remaining and Tile pd dad 99 Estimated MEME Rt RTL PEE 100 Chapter 6 DMS Software licita ri fide cni ei ndi ti fid t d i fu t fc E i fu i f 101 EVO MON mec 101 Downidading data withthe EWM saisi iba a a pi a 102 AU BIER 102 Sa AAPP mm o UE E ERE Ea AEE E a E 102 EVM panel layout view PEV aes x iles estende et a esten tdci dent esten dde 103 EVM Reports and PANAS ca A AA 104 CUSIO Mad EPS diodos 105 E Rr M Ex MR LEMMA M MIA AMI MS 106 Saving and sengdinigconiiguteliolls ld 106 General VM SeIUD s eoe ee da o bli M OA N A e oat 106 EVM igeneral parameter Table 5 0 2 9 x pro pna ab Du pa OU Dd a VD ONU n DET 107 EVM and logging Send aaa tua dust cto innato ASES AAA ASAS 107 EVIMIOGGING Parameters Tables tasses eencrt beet tienes baee a 108 EVI aneaurosmin NO 109 Timed Run and alto Un Settori chen di bcn ru Dun
185. ubing Placement and calibration of sensors Calibrating particulates NOTE The Temperature Relative Humidity sensor is not user removable NOTE the user will receive a message on the display when a new sensor Is detected or an existing sensor is no longer detected The EVM is factory calibrated to the Arizona Road Dust also called ISO Road dust ISO 12103 1 A2 Fine standard Before you measure particulates it is recommended to calibrate to the environment you are in If you are in an ARD environment you would adjust the impactor to correlate with a specific particulate setting run a calibration based on the particulates in that environment and compare the results against the ARD calibration If you are in any other environment you would calibrate based on the environment you are in by determining a correction factor also called K factor to the correct variation from the ARD calibration standard The EVM supports eight different user profiles Each profile stores a customizable profile name field and a correction factor Setting up profiles correction factors is discussed in the Set up chapter Setting profiles for particulates on page 31 The following sections will walk you through how the impactor operates how to adjust the impactor how to run a zero calibration and lastly running a gravimetric calibration Impactor and use The impactor is a device used to remove larger sized particulates from the air
186. uous operation including setup time run time and viewing your result time This battery is not user accessible or replaceable The universal power adapter cord is a 10 to 16 volt power inlet nominal 12VDC with 1 5amps and is used as an external power source For more details on battery power see Checking battery power in Chapter 3 Charging Outputs The rechargeable battery pack is charged by plugging in the universal power adapter cord into the charging port and into an electrical outlet When using the EVM and the power adapter it will charge as you use the instrument The estimated time to recharge a fully discharged battery pack is approximately five hours It is important to understand that the USB connection cable will not charge the internal battery USB is used for communication purposes only V NOTE When the batteries are depleted and if you are charging the instrument the temperature sensor will read at a higher level Thus it is recommended to measure the temperature when you are not charging the instrument About the Environment If the environment you are in is above 40 C 104 F when charging the battery then you will be unable to charge the battery Please see Appendix D for screen warnings The digital output and or analog output can be used to connect to external devices such as a chart recorder or a light notification device The monitor s digital out and analog out channel are accessible through the Inpu
187. ure limits for higher levels of exposure that may occur over a shorter time interval There are three types of PELs e TWA Most permissible exposure limits are based upon an 8 hour time weighted average TWA The air concentration may sometimes go above the TWA value as long as the 8 hour average stays below NOTE This measurement is not applicable with temperature relative humidity or air velocity sensors e Ceiling Limit The maximum allowable concentration of a chemical that an employee may be exposed to It must never be exceeded even for an instant e STEL The Short Term Exposure Limit STEL is the maximum concentration above the time weighted average that employees can be exposed to over a specific time period usually 15 minutes no more than four 4 times per day This stands for Short Term Exposure Limit and is the maximum average concentration of a toxic gas to which an unprotected worker may be exposed over any fifteen minute interval during a work period The EVM calculates the STEL by compiling fifteen one minute averages and updates that average each minute after the initial fifteen minute exposure If the STEL is reached or exceeded the alarm activates and the STEL enunciator turns on Different regulatory agencies have different acronyms for PELs NIOSH National Institute for Occupational Safety and Health uses REL Recommended Exposure Limit and ACGIH American Conference of Governmental Industrial Hygienists use
188. urements Level Minimum Maximum Average Short Term Exposure Level STEL Time Weighted Average TWA Real time measurements Once per second display update rate Time history data logging intervals 1 5 15 30 seconds 1 5 10 15 30 and 60 minutes Trend graphing intervals for all 1 5 3 15 minutes 1 5 3 8 12 and 24 hours parameters Status indicators Battery Run Pause Stop Overload and UnderRange Electrical characteristics Battery life Approximately 8 hours of continuous operation at normal operation under reference to environmental conditions when full capacity batteries are installed Battery pack Rechargeable Lithium Ion External DC power 10 to 16 Volt Power Inlet Nominal 12VDC 1 5A input Power adapter Universal AC adapter 100 to 240 VAC 50 60 Hz Memory capacity 2MB over 24 hours at 15 second logging interval 130 Appendix A Environmental effects The typical time interval needed to stabilize after changes in environmental conditions is 5 minutes for each 10 C change Operating Temperature 0 C to 50 C 32 F to 122 F Conditions Pressure Range 65 KPa to 108 kPa Relative Humidity Range 1096 to 9096 Non Condensing Storage Temperature 20 C to 60 C 4 F to 140 F Conditions Relative Humidity Range 0 to 9596 Non Condensing Battery Insure battery is re charged every 6 months during long term storage Physical characteristics Size and weight 19 cm x 19 cm
189. ut points represent Response Solution Depending on the environment and the industrial processes such as sanding cutting crushing grinding and transportation the type and size of the particulates will impact the human body in different areas affecting the nasal throat and or lung area The impactor cut points represent the particle size you will be sampling Inhalable dust is 100 microns and smaller This dust is usually filtered through the hairs and membranes in your sinuses 10 microns and smaller is thoracic and dust in the 4 10 micron size can get caught in you windpipe and other regions 4 microns and smaller is respirable and this is what causes concerns and the need for PM4 Question How does the impactor function when there is a build up of particulates in a conical shaped pyramid Response Solution When the build up of particulates form a shaped pyramid it will not measure appropriately This is the indicator to clean the impactor The reason As with any impactor type filter this filter relies on the larger particles being unable to turn the corner striking the greased plate and being filtered out of the stream As the pyramid builds up more and more particles will begin to gently slide on past the impactor plate We provide a fourth inlet which can be connected to a cyclone if extreme environments and or longer run times are needed NOTE the impactors are designed to work correctly ONLY at 1 67 Ipm Question Is
190. x i e CO Sensor found xxx i e CO Explanation A warning message will appear when a sensor gas toxic PID RH Temp or dust is removed NOTE the instrument needs to be turned off when sensors are removed This is to notify you that a sensor has been removed or changed Likewise a monitor warning message will appear when a sensor is removed and replaced back in This is helpful if you are changing different toxic sensors PM disabled If the user disabled particulates via the particulates setup screen Then the pump key will not function 166 INDEX INDEX ACGIH DGTINGO 140 Air monitoring DEM 35 iioc ca dio ceca 140 Air pollution IRIS n cM PU EUN 140 Air quality monitoring DG TING rU 140 Air quality standards A A tota 140 Air Velocity Accessory Specifications MN 128 Airborne particulates A EN 140 A O PERLE RUP 37 AOAO OULD UL risas aa 19 ASHRAE penned AA A TE 140 Average Delined annern NC 143 N 39 Batteries erro Tz o eee o eens 15 uie 19 Bubble flow meter Senece A ceial a a 58 Bump Test A enri 140 Calculating particulate matter DEE MR RF MM E 141 Calibrating Gravimetric cal overview eene 56 Reset gravimetric setting 57 Connecting gas sensor oococococococococononononononrnrnrnonononnnos 62 Drifting analysis sse TT Flow Rate Calibration
191. x 7 cm 7 5 x 7 5 x 2 75 Weight 1 3 Kg 2 9 Ib Housing Static dissipative ABS Polycarbonate Display size 128 x 64 pixel display that measures 6 cm x 4 8 cm 2Z 4 x 1 9 Backlighting Manual setting Five keys have dedicated control functions another five are primarily used for selection and navigation and another four provide variable functions when they are defined in the display softkeys Audible beep feedback 131 Appendix A Measurements units Particulates mg m Carbon ppm Dioxide Relative Humidity C or Temperature F Toxic Gas ppm Option Using one of the toxic sensors indicated in Toxic Sensors VOC s ppm or ppb Options Using PID 10 6eV Photo Ionization Detector Air Velocity m s or m ft Options Using external air probe accessory Operating Modes Live view screen Pause Stop modes and Time History Review screen Pause Stop modes Logging screen Run mode and Time History Review screen Run mode Settings Stop mode Calibration Stop mode Power Charging Off mode Charging Charging status screen Time Constants 1 second display update rate with 1 to 30 seconds time constants Specifications made at 15 seconds time constant 132 Appendix A Special functions Auto Run Programmable via the EVM setup screen or in DMS 3M Detection Management Software Security Securing or locking run mode and or setup via the EVM setup screen or in DMS Softwar

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