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3M Quest EVM7/CO User Manual 2011 rev F

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Contents

1. 161 Mechanical What is the long black plastic bar over the sensors and how is it used sssss 161 Particulates Adding Correction factor after running logging particulate measurements 159 Calibrate before run real time particulate measurements esee 158 Calibrate particulates to NIOSHO600 158 Clean the optical engine photometer 158 A 159 A A 158 How often do you need to apply the grease to the MDAC c 158 Impactor cut points aio enne redes 158 Impactor function when there is a build up of particulates in a conical shaped pyramid 158 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 162 What is the path for gas Toxic CO2 and PID 161 Will the pump always regulate 159 File system Menu sc istsiatsscesanesasdatseseiesdnoscadarsvsnsessouosadstseaedens 97 File systems properties screen ssss 99 Filtered CO sensor vs Unfiltered A O 142 Fire triangle BI o Ee 142 TU Mec nde cenit due seule x ED NE e LEE 04 Gas calibration softkeys A uae tacueue edu daduers ce tet 65
2. eccania eats 144 Photodiode DEMET oie 144 PID sensor Correction factor setup screen ss 28 PID sensor amp correction factors table 146 PM measurements Extending TUA UIMNG ssa iia rit bri eri 87 Power TU lid 14 0 PEIE AE E E E EA E IE CL 84 A a ener DUUM aE 144 DIAM satin A one Mdb dE 84 A cudnun canteen I und 144 Relative Humidity BI I m 145 Relative Humidity Sensor JA 127 Relative Sensitivity o A OE 145 A dox otto tede a d 39 Restoring Default factory settings 38 RH and temperature measurement screen 89 UR a Noe UVa 83 95 SUMMO 15 Run Time AA 26 A nicer Stay D n o dis 83 Running a study A a deba 80 siege e 85 Sensors Cleaning of the PlD oooocococococococococococononononononononononoss 117 ID sensor with lamp and electrode pellet Removed inserted sss 119 Inserting and removing seeees 47 PID Removing intelligent sensor casing 118 PID Removing the lamp with removal too 118 PID maintenance cleaning benchmarks 117 PID sensor cleaning Kit 119 Removing and inserting PID 116 Sensor housing and manifold
3. 140 Air quality standards BIS e e 140 Air Velocity Accessory Se CHICANONS tutte e Oa I A ES 128 Airborne particulates A M 140 Analog GUL cus aate noscit aua eset s snis 37 Analog OU narran p Era m ne E p Eoo 19 ASHRAE A MVP EUN 140 Average BI om I 143 A ward davipa ui neq pb von tid ueni E us 39 Batteries HGNC ALON et 15 ss az fn AA E A ENTRY EU E P RE 19 Bubble flow meter A a 58 Bump Test IB zo AAA yop o o nr nce einer T 140 Calculating particulate matter pened A A TA 141 Calibrating Gravimetric cal OVervieW ocoococonocicinicicncnnnnnnnos 56 Reset gravimetric setting sss 57 Connecting gas sensor oococococococococononononononrarnonononrnnnos 62 Drifting ua Et 17 Flow Rate CallbfallQI ue cte re tetro 59 INSU TUBING M 62 Ozone zero and span cals sss 63 Particulates zero callados 52 Performing a gravimetric sees 57 Photo lonization Detector PID Sensor 71 PID PRB Spal Ca lalola o 73 PID PPM SpahCaliz cite co trade ced T2 PIBPPMZSIO Call sc dota eO DEN IPBOS T1 PID Spal Ca ecd Hee T3 Pump flow rate calibration 58 Relative Humidity or Temperature calibration T5 Saved Calibration screen sss 66 Selecting a calibration sensor screen
4. 63 TOXIC GAS ZENO calada ada datada 63 Ozone calibration A dence use rset aad hag D UM uL haba ete cunt EE 63 TAIANA cido 65 vi Table of Contents Calibrating COZAND O nd o do 67 vor verme 67 aPC CITA CY aT e e UU O CO CCE EEE 9n 67 Calibrating Photo lonization Detector PID Sensor esses nennen nnn nnn nnn nnn nnn nnn nnn nnn nini nnne nani 71 PIB parts per million Pin zero CM oido 71 PID paris per pilon pDbXzero callBrallODics aeos trud Ou Dep Eod e ad 71 PID Span Cea FAM OM cases a cs CRE E des ren esd aba cb dace arenis tabes Sooo ae 72 Calibrating relative humidity and temperature cecesesesssssssssssssssssssssssssssssssssssssssesssssssessssssesesssesesssesssesesssssesesesesesesesesesereseseresesereneten 74 A ARN MERE 76 Veniicalbration andamio dd 77 Chapter 5 Measuring and Vie WING ninia da a o a A a o inn 80 Overview Of running a SESSION sarria datada tii en cr afa ii ii DRE EVE EC 80 LL ESTU y Lo PAP M 81 Understanding what data AAA e Edu o ur herd DH Bue Re re rur Cub E TU cov b re v pu eV NH 81 A e A NSi 81 logged ime c Emm 81 RUANO and OP Ma O O 82 Measurement screens and rnavigatlOR ciii ie 83 Buses ee aida 84 io o neo see 85 Particulate Measurement SCEBer curarse 86 Imbpactors and panic MEA SUMING tatiana NEUE EIE 87 Extending run time for PM Me
5. 48 Serial numbers ssssssseeeeennnnnnes 61 Sensors locations VACA RR REESE 48 Setting or changing digital output ssss 35 Settings ATA oia 36 E o utto iti ret tror EU 31 Edit profiles for dust calibration 31 Gravimetric Mass and Gravimetric volume fields 30 Particulate field ernnne 30 168 INDEX A DR RM 30 Prone TIC eicit tle A debeo duds 30 Pump enable or disable 33 Resetting the Gravimetric ssss 33 Temperature and air velocity 29 Time and Dacia 21 A ros O 23 Start screen defined sss 14 STEL DI 143 Stereo plug How to connect ssssseeeenenennnnnnnnes 160 SIOP 149 0 MINNIE NIA HER 15 E 83 Sulphur Dioxide Measutitig ANGE rara ra 59 TIME DENEA aia ad 145 Time Dale SCIBefi aoreet eod tes dietessobes 22 TLV PJ IM PRO RUE 145 Toxic Gas Sensors SPECIMENS Loto tr e oon o s M e 128 Trend data screen leo Mex RC 93 Tend SOIBeD e dm va e te aet Eee a iPad 94 Trend Massa 06 FUMING ON osc certet dated dutem d ted tud 16 TWA Barm 143 Unit Information SCEGBTIs casacas 16 Unlock Quest default code cu sentita ren ed itenim 41 Unlock Security OUI NOG ENTRE END DAVE 41 Si iU e PER AR Oe ante A NITORE
6. 68 Setting CO2 Span Cal screen 70 Span Cal OP TOXIC dla 65 Toxic Gas overview sss 63 Verify calibration TT Zero cal and span cal for CO2 or for 02 sensor 67 Zero cal TOPTOXIC AS vastos c nutu has caus Pott tds 63 Zero Cal set for Particulates ssss 55 Calibrating particulates Aflzona Road DU oec momen een 49 Calibration Example of Cal history chart in QSP 61 calibration history screen eene 76 Carbon Monoxide Meast Tantos 59 Ceiling By eU 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 ssssss 91 Composite with details screen sssss 93 Confined Space T o o 141 Cyclone UM rro Saa 87 Delete session message eere 98 Deleting all SCSSIONS ita 98 Deleting SESSIONS o oecusetuduoodbasors Gus oem chua Gaara 97 Digital out Logic settings esee 35 Digital OUt DUE stent tii s n i Po ev t 19 Digital Output Using stereo plug and diagram 160 Display settings explained 24 Drift DM da dr dc utet ts taal 141 Dummy Sensor BID HE 141 Dust Override
7. 5 1 4 1 O Ha M e U1 GJ Im N P O JO JO O O N W e UJ r AJN 135 Appendix A Standard EVM 3 Memory and logged time e Dust 8 Run Time Hours Number of Measurements Logged as es A ae AA 496 248 165 124 148 7 30 seconds 297 5 594 9 2974 7 5949 5 8924 2 17848 4 35696 9 Run Time Days Number of Measurements Logged eS 3 4 10 3 3 4 2 6 155 310 O ct gt D h e o 5 un 5 un O A Un c 104 cr D 3 zE c 3 o J D Be El Logging Rate Logging Rate e N UI N E 34 26 2 155 103 77 6 62 0 31 0 12 4 123 9 24 8 619 7 123 9 1239 5 247 9 1859 2 371 8 3718 4 743 7 7436 9 1487 4 Run Time Years Logging Rate Number of Measurements Logged N 1 ile NA 30 seconds U E NJ e Im E 1seconds 5seconds 10 2 20 4 10 2 5 1 4 1 dilwi oloo R a 0wDin ea bial al pb Se HIUo 1 N cc aa pp OO BIR M e U1 Lo a MIRAS SS O O N Qe 136 Appendix A Replacement and optional parts All accessories subject to change Particulate Parts amp Numbers Description 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 ass
8. Gravimetric cassette e Pulls apart into two pieces Replaceable filter paper Figure 7 10 Gravimetric cassette and filter paper maintenance APPENDIX 126 Appendix A i Specifications Particulate Sensor hl Ti EF CNN 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 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 909 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 9 gravimetric cassette e gt 5kPa e gt 20 inches of water 1 67 Ipm Dust correction factors Up to 8 User defined particulate correction factors To correct for variation from Arizona Road Dust 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 P
9. 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 A a lamp twists onto this pellet cover PF Lamp s d 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 Figure 7 5 PID sensor cleaning kit 6 To refit 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 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
10. e Click on helg arrows and select a numeric value or type in a value 107 EVM Reports and Printing EVM and logging settings Noise Dosimetry 9 Air Quality Heat Stress Instrument i Get Configuration TE Send Configuration 9 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 German 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 veloc
11. e There are four windows to modify if applicable which ssec vecare customizations ation cover page report and headers footers e The example below displays customizing the header and footer Report Creation Options Create Reports From Panel Layout View I 3M Supplied Format Report Styles Select a report style Contemporary Customize Report Add or Update Customizations j Print uli la Save As Y Help en A aa Company Information Cover Page Report Heeders Footers Enter Company Informatiar aS F 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 Figure 6 6 Customizing DMS reports 106 EVM Reports and Printing EVM Setup r EVM Setup There are 7 configurable EVM setup screens see 1 in Figure 1 54 below in the setup page 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 an
12. 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 Type 2 5mm Stereo Plug Stripped amp Tinned TIP Analog Out Shielded 100 Q z r pj Voltage Rating 24VDC i Conductor 26AWG 12mm x 10 Copper Wire Middle Ring with PVC Jacket Shield 12mmx 30 Wrapped Copper Wire Plugs Brass Tip Insulator ABS o Digital Out y Tip Insulator User supplied pull up Body amp Jacket Supply 2to 5 5V Wire Color Plug Tip White Ring Red Sleeve Resistance 1KO to 10 KO Coding Shielding Outer Ring Max Sink Current 10 mA Gnd reference 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 Quest s ability to program a low noise sampling system that provides 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 wil
13. i Gravimetric _ cassette m 3 T m i Optical m Engine d o 3M gt y 5 Flow ES sensor Figure 1 1 Particulate path diagram 3 Particulate 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 Gases and Aerosols Defined Aerosols and Coal dust Particles lt Pollens NN atl N Atmosphere Airborne Nood inhalable particulates Dust lt Textiles gt Dust Medical inhaled amp penetrates the lungs implications Thoracic pm inhaled amp penetrates the larynx throat Inhalable pm 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
14. 4 Or press the Look up key Then press the al Arrow to select and press Enter E to open the screen Repeat this step to view the other sensor TE E W NM displayed UNIT INFO Sensors Look up key Select and then press Sensors 4 7 Enter to view the sensor s parameter Figure 2 5 Selecting Unit Info Sensors 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 001146 4CF034018 088 150508030 Not Found cm 7 O Temp Installed Humidity Installed Eee ee Figure 2 6 Viewing installed sensors 18 3MTM Detection Management Software DMS Unit information screen 3M Detection Management Software DMS DMS is a software application designed by 3M Quest Technologies 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 botto
15. 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 Backlight 9 Alt f key 3 Particulate 10 Enter Key pump 1 Right arrow 4 Left arrow 12 Down arrow 13 On Off O and Esc 9 A p 3M T gt 5 Run IStop 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 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 4 Left arrow Used to toggle through the views and to move left through menu selections Lig AAA aen 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 8 Uparrow Used to select menu options in the setup screens and select measurement values or data 9 Altfkey The Altf key o
16. Gas measurement Screen 90 Gases Cross sensitivity hfs den oe ec ten ec Ped 60 Gravimetric analysis DEMME NNMERO RM Mc DNM 142 Gravimetric cassette and filter paper 125 aisle n 125 Hazardous Atmosphere DG INC Chia c m t t ERU T TRES 142 Hydrogen Cyanide Measuring fatiga usce o cit ct e beret mne cte 59 Hydrogen Sulfide Measuring range aan 59 Identifying your equipment eeeennene 11 IDLH A cited PA RUE DA eR UR oa 142 Impactor Adjusting impactor turret setting 51 Greasing and cleaing ssssses 49 HOW itopera leS ai oi 49 IN 50 Impactors CUE 9 ks ne ee ce RP rr uud a ed 50 Indicators i e run stop battery Altf 15 Keypad user interface explained 13 Level BIDEN 143 Lock secure Run and Setup screen oococococicocicconononcncnoncnnonenoncnronoss 41 Lock Security HOCK SON CY Mt Ei E E sree cae sua ners 40 Run mode do 40 A E E E TE 40 Lookup icon eyeglasses softke 85 lU re ELE 84 Me cada 84 Magnifying glass symbol sse 85 Material Safety Data Sheet DM a ds ai ud 142 Maximum BID m TE 143 Measurement parameters A AE E 143 Measurement values POS EE EAE E E T 89 A a A 89 A 89 le P 89 A a 89 IR M RETE 89 Measurements A e s
17. 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 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 a A ANEA 22 Display language contrast amp key A 24 SENA A N R DU caddy 25 PBDeorecion adding efie tete e E E R 27 Changing units temperature particulates PID and air velocity 29 SO TING up panicul ae Scantrad NONO E 30 Setting profiles particulate correction factors ceesesssssesssssssssssssesssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssesesesesesessesesesereseretes 30 How particulate factors are adjusted and calculated sss 30 Dust correction factors profiles enne nenne nnne nnne nenne nennen nete 31 Par culate pump enable or disable nessen 33 Resettingthe gravimetrie MeT Pr 33 O ER E E RRE E AAR 34 DICTA OLETOUIE renina ad 34 O NA 36 ANO OU rial aia 37 Res
18. Intended Actual Saved Cal Saved Cal 0 0 ppm After Set point Before Set point 200 199 ppm Figure 4 32 Calibration History screen gt 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 Ifthe sensor selected was recently field calibrated the History softtkey menu will appear along with the date and time of the last calibration Press the HISTR softkey to view the saved calibration results 4 To exit and return to the start screen press On Off Esc twice ee 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 IM c
19. Logging the following Sensors Dust Temp Humidity CO2 Toxic PID Dew Pt Run Time Hours Logging Rate Number of Measurements Logged iseonds Sseconds 232 4 154 9 116 2 464 8 309 9 232 4 185 9 Ad minute 5 minutes 10 minutes 15 minutes _30 minutes nu 1115528 133 Appendix A Standard EVM 7 continued Run Time Days Logging Rate Number of Measurements Logged uy do 0 3 1 3 30 seconds 19 4 15 5 75 154 9 232 4 164 8 929 8 Run Time Years Logging Rate Number of Measurements Logged 7 N 1 w gt e gt J gt gt j gt N lo le ju je e A Oo N m gt j gt gt C1 0 e P9 e ul N 134 Appendix A Standard EVM 4 Memory and logged time O 2 ct gt D h e o 5 un D 5 Uu O n D 3 ax c 3 o O O N O zx 3 U D c Run Time Hours Logging Rate Number of Measurements Logged AE Se ae ee A 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 AAA A SO A 1 1 Logging Rate N E 310 155 103 77 30 seconds 124 24 8 123 9 247 9 371 8 743 7 1487 4 Run Time Years Logging Rate Number of Measurements Logged NA oO oO NA a NN 1secods 00 5seconds 00 15seconds 01 1 1 1 O E AA ECO Al 00 00 08 11
20. 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 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 TUI i Calibration CALIBRATE PID Intended and Actual Pause Zero Cal set point results Span Intended Actual ZERO Figure 4 29 PID Calibration Span softkey 2 Adjust the span value by pressing MW Arrows once the sensor has warmed up 74 Placement and calibration of sensors Calibrating relative humidity and temperature 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
21. 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 lon 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 02Cto 50 C 32 F to 122 F Conditions Pressure Range 65 KPa to 108 kPa Relative Humidity Range 10 to 9096 Non Condensing Storage Temperature 20 C to 609C 4 F to 140 F Conditions Relative Humidity Range 0 to 95 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 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 Z 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 displa
22. Viewing installed Sensors aa A A A A dr Re 17 Figure 2 7 Communicating with QSP II via USB Cables deiecti ino titudo A se 18 Figure 2 8 USB power jack and digital output DOE catia p CEA de d Rt Dope Prato Mite idus ufu bota oue laca esis RT UR 19 Figure 3 14 Time Date screen DaralTiBDe ES eao aod ndn sence vets PR RUN ces LES ee etd HL tes it Bed pe nr UR Et RR En UL Da 22 Figure Rhe TEES STERNE TRE T E D D UU m 23 FIGS Battery SOUS cr sont bain aat trc tai od 23 Display language contrast dema redet acepten bei tte ue eft tut has oe cac e rA DE Cen mtl i Nr Rare em fe 24 Figure A sco ted nnan O vU T NU 25 Figure 3 5 OCIS Selina iret n fado A O AA Cdp Da E LU Ee iR QU UNE QE T 27 Figure 3 6 Estimated run time for logging SC Merit AAA tease ys d0 e sto o dra bette 27 ER II Magee t Rb Di teas E E RE Ae 28 Figure 3 8 PID correction factor displayed on measurement screens sese nennen nennen nnt tnn tentent itn tn intentione nensis 28 Figure 3 9 URIS SCH MT RU 29 Figure 3 10 Edit profiles for GUST calibration S Los o Ei cose tome POL me ee de frere dits ante toss Dau a ferina Op hoste dps m cato Nul pm E UE cap EMEN LEE M 31 Figure 3 11 Entering a profile for pargeulate CallBEatOEl ions oic ia veh yo eek onn Pii A eene La Pv ce 32 Figure 3 12 Particulate Scuba apetece woud tado as by ads Bias wae Pid ais agin cilia uncle dante us etu Rupe Serin Det xa OE 34 Figure 9
23. ll il OO 100 acid 2 4 5 Trichloropropane 1 2 83 C3H5CI3 NRH CS TWichlorotifuorostnane 111 CoCiaF3 NR T O TWichlorotifuorostnane 112 CaClF8 n T Triethylamine COHISN 0O9 1100 90 Trifluoroethane 1 1 1 C2H3F3 NRH J Trifluoroethane 1 1 2 C2H3F3 NRH O Trifluoroethanol 2 2 2 C2H3F30 NR Trifluoromethane CHF3 NRH 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 cut 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
24. stop the session and then proceed below 1 From any measurement view or the start screen press the On Off Esc 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 screen you were previously viewing 1 e PM measurement screen M Auto Run Note fan 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 gt Opening the unit info screen 1 Turn on the EVM by pressing the On Off Esc 2 Inthe start screen press the down arrow repeatedly until Unit Info is selected and press Enter E e The unit info screen will appear IMI UNIT INFORMATION j a Serial number EVM Serial 0123456789A Hardware Unit Rev B 42A O version of Revision HDW REV 1 o L PwrMgr Rev B 106 ook up key CC ne eee Figure 2 4 Unit Information screen 17 Instrument Information Unit information screen 3 To view the installed sensors repeatedly press Enter E and it will display the Unit Info screen with the installed sensors See Figure 2 6
25. 3 5 until all changes have been made IT B 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 amp twice to return to the start screen 3 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 1 NOTE the battery pack is not user replaceable and would need to be changed at QUEST 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 gt Check battery power 1 From the start screen highlight Setup by pressing Ay Arrows and press Enter em NOTE If viewing a measurement
26. CO 950 CO 75 LEVEL TREND PID and correction factor Displayed in the Composite measurement screen Figure 3 8 PID correction factor displayed 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 ug 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 MAW Arrows to select the Temperature PM Particulates or Air Velocity field Once selected press Enter to select the units field Press MAW Arrows to select the appropriate unit Press Enter E to save and move back to the first column To return to the start screen press On Off Esc twice to return to the screen DUAE setup UNITS Units TEMP oC Temperature Par
27. 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 anges om tee p m mh 59 EVM keypad and display explained 12 ber 11 RA uec ctu uu D tu tu ef 159 FAQ s Alarm outputs See Analog Input Output 161 166 INDEX Analog or digital out connection 160 AA A ti m eee 161 Calibration QUESTS ci n 161 Can we adjust the flow rate sssss 160 Can we run the unit without a cassette 159 Does 3M Quest offer Cassettes 159 Gravimetric cassette sizes ssss 159 Gravimetric Sample Backpressure capabilities inches water column 159 How can we verify the constant flow 160 How do we Calibrate the pump 160 How is the flow rate controlled 159 How Particulates are 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 and warranty on sensors 159 Maintenance and lamp questions 161 Measuring range and display
28. Fader instrument C 4 7 A n eG Bd AutoRun a Secunty y General YTrogerrg A loggeg Sp Port Sete dd imne Update famiy Particulate Configurar Sound Leve Meters Noite D ometry V Air Quality Meat Stress Instreetent EJ Save As Hl Seve 2 Refresh I Send Conhagurason 2 Loan A sa fa paraa Figure 6 15 EVM Auto Run with Day of Week EVM and Particulates setup Particulates setup Explanation screen Particulates Enables the particulates dust sensor when checked 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 g 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 The volume of air that has passed through 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 d
29. N D Os 8 N D ND ND 60 o 120 ND N D 150 150 150 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 I 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 QuestSuite Professional I1 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 QSP II in the calibration history chart Calibration History F Calibration Type Sensor Serial Number 2 1 2 2007 6 00 52 AM Single Point Calibration 1 2 2
30. Place the plastic Intel sensor casing over the sensor Press firmly to snap it into place 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 9 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 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 6 Next lift the spherical mirror up and off et em l I optical by using a flat headed screwdriver 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
31. Press to turn on This feature has three levels off dim bright 3M Figure 3 19 Backlight key 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 amp 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 I 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 L7 SETUP UNITS TIME DATE DISPLAY AUTO RUN PARTICULATE BATTERY PID Lock AUX I O DEFAULTS Opens to the Lock screen MO 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 select Run or Setup fields by using Up Down Arrows 5 Press Ent
32. 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 If this is not possible the factors listed in the table provided by lon Science can be used when calibrating the PID sensor WOTE these are approximate values so for best accuracy you should calibrate with the relevant VOC Please refer to lon Science for details on linear range accuracy and table explanation The table includes six columns l 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 Facto
33. Volume fields by pressing AMY Arrows Once selected the Reset softkey will appear Press this softkey to reset MN N setup PARTICULATE Particulate Enabled Reset softkey Profile 1 ASHDUST Displays accumulated Visible when 0 040 mg particulate mass amp volume grav mass 6 64 m menu item is highlighted ee A NNI 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 VM NOTE The digital output is an open collector output and a
34. 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 Volatile 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 soreading and growing biological pollutants such as molds mildew viruses mites building dust and pollen Failure to control water leakage from humidifiers refrigerators and ventilation equipmen
35. as indicated in Figure 2 2 to turn this feature off To page through the measurement screens press d 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 A5 second countdown will appear with a run message in pause mode when the particulate setting is enabled 2 Press and hold the Run Stop Q9 key to stop measuring MN 00 02 36 lt gt COMPOSITE Ei 122 PIs 2 22 CO 950 Temp 74 0 CO 75 RH 44 8 DEW PT 51 2 LEVEL mg m Figure 5 4 Composite measurement screen in run mode Run mode Level values for each sensor M Shortcut Press Enter key to toggle through different measurement units Measurement screens and navigation To navigate through the measurement screens repeatedly press dl 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 p
36. ase MENS ii ia 87 Changing particulate ME do 88 Relative humidity amp temperature measurements iii aT NSTI 89 Relative humidity and temperature creo 89 Gas Measurement A A A AEN v f vi A DAA v DA v DAA 90 fcc 90 Composite measurement reirse HL P du Iv GUERRE cp EE CO Ha e E ela MC osi 90 Compo Ste SCT SINS cuente ei ses Sas an ca ED MED P MD LM EU MEME EE 91 Air velocity meaurs remenE SCIGGI oinnes ance esorehn tna er eh ave 92 Summary Data dado 93 Viewing details in the measurement SCFEEN esscsecesssssssssesssssssssssecsescsssrsssscassesssssrsesacseseessssssasaesesssssssesacaesesssrsesacaeseesstensesacaeseenerees 93 A O A 93 Viewing trend data in the measurement screen saltas 94 PASE SESSION aaa 95 ouimary data Bact y een ee A N A E N E N O AN N 95 PING System Mena narra ESEE E ESEE E EA OEA E EE 97 Deleting sessions individually aaa rosada tala eaenitnsaseadussden inasacstaescconsubiseauicusateigoucaasimaate 97 vil Table of Contents Delete all SCSSIOMS nica lidia Udo aa o t 98 Memory remaining and file properties sessi 99 mutig NI PME 100 Chapter 6 DMS SONWATO M c 101 S Ren Melo m rr 101 Downloading data With Tie E VINE eoi RUSO PARARE ERR ROTER AR 102 EVM Viewing Dala eo CORE 102 Selecting a session SY een et een eos oen et Un Uo Uno Dstt ta ial dtl to bn Uoc des 102 EVM panel layout view PLV page sesssseseeenenenenenenn
37. display settings 5 To return to the Start screen repeatedly press On Off Esc Oy 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 Time 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 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 amp 7 NOTE 15 second averaging is recommended for the average setting All the sensors have settling times of 10 seconds or longer 2
38. dr es ded NE 48 A callo ez ien RR RD P 48 Figure 43 HOW the impactor IUACUOAS aco dede euni tl a ol d e Pe Rr aad cate DUE el LAOS 49 Figure 4 4 PM2 5 impactor setting exa lead dra 50 Figure 4 5 Adjusting impactor t rret sn s ean ipo aaa 51 Figure 4 6 Particulate zero cal WIN MERA MI aa dl ia 52 Figure 4 7 Selecting calibration screen O e 53 Elguted 5 Parupuiale casero aa anas d ttf a a aa n Dn dU a O E ERR 53 Figure 4 9 Particulate calibration and ready SN dida 54 Figure 4 10 Particulate calibration and waiting SC Be scuto Go ablata nnd pec SR lb E Rin o Ra FR rab dvi ROT DAR 54 Figure 4 11 Particulate calibration pause screen aure i 55 Figure 4 12 Zero Cal setfor Particulates NE E A E A OLD EE R CA d REEE E 55 IX List of Figures Figure 4 13 Reset gravimetric setting a ds 57 Fig re4 14 P mp tow ratecalibtration asc ts Cie ae A AO 58 ElIgure Aad Oat LOW Rate Gala id ie 59 Figure 4516 Calibration Ni Ston TOI E VM us mie Nu Na 61 Figure 4 17 Applying d Jas SOMSON rises cuit oe cast dano 62 Figure 4 18 Selecting sensor for calibration DIOCBSS acc ior re da tiv ice AA 64 Figure 4 19 Calibration Zero Soren is A dias 64 Figure 4 20 Calibration zero pause pt e oma UR ae 65 Figure 4 21 Spar Galpon aid 66 EIgure 422 Saved Dalbralon Sere ardid dales ru Y ade 66 Figure 4 23 Selecting a calibration SOM SOF iaa iii dai 68 Figure 4 24 Calibration CO2 ready SN a A AA A AE Cdn l
39. 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 140 Appendix B 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 is 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 durin
40. 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 n QSP II 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 QSP II 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 capability 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 w
41. maintenance cleaning benchmarks recommended by lon 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 If the 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 gt 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 place 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
42. 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 M7 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 Performing a Zero cal for toxic gas 64 Placement and calibration of sensors Calibrating toxic gas
43. sensor can detect a wide variety of gases the best method to calibrate a PID sensor is to apply the gas of interest It is recommended to set the flow rate at 1 LPM for best response time The following two sections PID Zero cal and PID Span cal explain the different methods PID parts per million ppm zero calibration It is recommended to flush the PID ppm sensor with Zero Grade Air or N for a zero calibration 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 PID parts per billion ppb zero calibration With a PID ppb sensor a zero calibration is not performed in the field It is calibrated at the factory only A span calibration Is the only option available for the PID ppb sensor For PID Span calibration see page 72 gt PID ppm zero cal 1 Connect the N Pure air Zero Grade Air w THC regulator inert tubing and cal cup to the EVM Please skip this step if you are not applying a gas 2 From the start screen press the Down W arrow to select Calibration and press Enter 72 Placement and calibration of sensors Calibrating Photo lonization Detector PID Sensor 3 Press the Ay Arrows to select the PID sensor Selecting PID sensor Last Calibration Cal softkey N A Figure 4 27 Selecting PID sensor for calibration process 4 Press the Cal softkey and the
44. the Calibration screen 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 MAW 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 AUN a Calibration CALIBRATE Temp Temperature cal Pause e Intended amp actual readings Intended Actual 27 3 27 1 C EN Te 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 GQ e To open the calibration screen from the start screen press the Down arrow to select Calibration and press Enter E The Calibration screen will appear To exit and return to the main screen either press the On Off Esc amp twice 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 UNA n VCalibration HISTORY CALIBRATION CO 19 Dec 2008 15 33 11
45. 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 Figure 6 9 Logging EVM setups EVM and auto run setting 4 To enable additional date settings Date 2 Date 4 repeat step 3 5 To set the auto run click on 3 e Jor save and send to the EVM for more details see Saving and sending configurations E Configure Manage Tools Helo Instrument Communications Data Finder a Security g General i Tnogenoo 2 logging y Particulate a Firmware Update 4J Configuration Profile Management Family to Run Mode Selection Default Profile Name Date Sound Level Meters JI Enabled Date Day of Week EL Araona ordrances 8 17 2011 10 2647 AM Noise Dosimetny p 9 Aw Quality Timed Run Heat Stress Leedtesting 8 8 2011 23507 9M 01 42 AM Instrument 7 EVM Date 3 Y Enabled Start Date Start Time 2 00 14 0050 r ea E era od save as bed save EP Refresh amp Load Xx Delete f Rename I le Get Configuration Send Configuration 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 7 Enabled checkbox and click in the W Day of Week field see 2 To select
46. the function of each indicator Indicator Explanation Icon Stop indicates the instrument is currently in the stop status opposed to run Run indicates the instrument is currently logging a session study Battery charge status This icon shows the renaming capacity of the batteries A full battery indicates the instrument is fully charged 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 Overload will appear whenever the level measurement exceeds the range of the instrument Altfkey 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
47. 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 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 c
48. 0 7 NR 4 0 2 1 ZR zl 4 5 Allyl chloride C3H5CI co Z Alu C7H1402 1 8 C5H120__ 3 C7H80 AsH3 C7H6O C6H5SH C7H5N C7H80 C7H7CI Acrylonitrile C3H3N Allyl alcohol C3H60 O01 O1 01 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 O 0 5 2 2 2 CT0HT40 Chloro 1 1 1 2 tetrafluoroethane Chloro 1 1 1 C2H2CIF3 trifluoroethane 2 eee 4 NR NR T NR 0 o 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 CHBr2Cl 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 difluoroethane 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 Dichloroet
49. 007 6 00 09 4M Dust Calibration 1 172 2007 6 01 06 AM Single Point Cal Verify 2 1 2 2007 6 00 09 AM Dust Cal Verify 1 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 4 Tubing 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 recommended to calibrate
50. 10 Configura digita OU aida A bue bso ass AAA tls tc deerit e 35 AN NN 36 Figure 3 15 Analog out results with temperature as CUL aid 37 Figure 3 16 Analog OUE SCPOBf a en e T ES 37 Figure 3 17 Defaults screen restoring factory settings acia sssoieucszoe cesceelevasteaustoscvadnass fato peto egeta ed rU geaeduoeyed faust peperere illa roc rab pete koe dra fus 38 Figure 3 18 Restoring default calibrations rta dto todos eto c heat dits culti iudei tO Aen ie 38 Figure 9519 Bach ONE bucal oor datei daa rte sen CE LR Lope 39 Figure 3 20 Loek SONG V ceca edi a agas pa Cb ned asc tatc Do bv fet on tarta Dev nen lc ag apuntan tuc oun QU hu eens arts eR onan Rid 40 Figure3 215 Seng oC SECHEO bestie dn ilo an a an dene ntact mde un Bunt Rat aere tel A wl e ce etos Hie un tinct beue 41 Figure 3 22 Selecting auto run with timed run Tode a iceberg eaa p E ph b P ease nee upon Re CERE etch ERR EATER MEN IRR Uu pr EE ee NERE ARAM YEN GRAUE 42 Figure 3 23 Setting timed run and dU duOFsed eto o cece Plantae onde SENG s bbs tbe Du D Oc o 43 Figure 3 24 Selecting autor n WiFi dete ITO CB cca iios pei vete Fade terrace e uta rue enc ssh tp au etu a cu o certe anre gs eg eed E re A 44 Figure 9 29 610g ditesF ldate OGG ste pacati theta creel excurrere Aa 44 Figure 3 26 Setting auto run DOW mode i eed e ra pscN Qe Ones ca uctus Mo ON tdt Mi EM DD ives DM ME NU MM UU MEI 45 Fig re 4 1 Sensor Dogsing and TVA TIT OAs sa deo tertia ce UR RN EQ ed end b ta a C eere
51. 3M Occupational Health amp Environmental Safety Division 3M EVM Series Environmental Monitor A LA Simultaneous Particulate and Gas Concentration Measurement i User Manual i 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 e Not for use in Explosive or Hazardous locations This product is NOT Intrinsically Safe e Contains built in lithium ion battery pack Do not incinerate or dispose of in fire e Do not disassemble alter or re construct the li ion battery e Contains Class 3b visible laser radiation source 658 nm nominal 5 mW Do not look directly into beam or view with telescopic devices e This instrument will NOT detect natural gas A Warning Read the manual before operation Do not store in temperatures exceeding 60 C 140 F and in direct sunlight Do not immerse in liquids The Sensors and batteries in this instrument have limited shelf life even if never used 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 ma
52. 4 6 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 E UN NM lt gt START FILE SYSTEM Calibration select to open PAST SESSION SUMMARY to the Calibration set screen SETUP CALIBRATION UNIT INFORMATION for measurements press lt Figure 4 7 Selecting calibration screen 4 In the Calibration screen press AN 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 MT 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 IPlacement and calibration of sensors Particulates calibration zero cal 6 The ready screen with the PM Profile will appear Press the Start softkey AAA ic calibration CALIBRATE PM Ready 0 000 mg m Start softkey i E NENNEN OT 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
53. 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 Input 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 LS 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 QSP Il you may want to program all of your setting via the software Please refer to Chapter 6 for QSP details Setting up parameters via the keypad The following user adjustable setup screens are explained will appear for all instrument models e Time and date screen e Battery power check scr
54. 5 11 Attaching AirProbe and measuring Air velocity ata A da ots cd tr adr add ghia sede oaa eos 92 Figure 5 12 Details of the composite measurement screen ss ccu ocupar ker cep ehh re o br e thn cow e P cera rion E iceaanen rue eda eee 93 Figure 5 15 Selecting TIBI SOMO dcn te dude a go Nee wea ca Seyi lt bet utu CDU M CN Net Mi IM DD V DEN MEM PAM 94 Figure 9 14 Trend Screen Tor PIDIO ded dt Ren RU Via re UBER NE 94 q AAA A 95 Figure 5 16 Past Session with E oxatuhs rta Sua usted hd cta sasdutaldvachshanehdnsdedbababs uadeaiee ad E ou lorte b cha EE Une 96 Figure 5 17 Summary screen of a past session di eunti Able daten calet nud Quos tun del cade bd Pdl Futuna eater raa ts 97 Eigurer5 19 Delele session Mess uc ennonn idoli tte suas o Asado 98 Figure 5 19 Delete all sessions message ea eet Lvl ooa dece a budget t icdndi doti dads ahies ek RN e ptt tradu Sure MU Mua ffi cat coto PL eee 98 Figure 5 20 File Systems properties screen enda v nine edax bd Re HER beginnt uh Rb d t vba oe zi ec oA bti bark ad nl n DR ER Et iR NL Und 99 Fig re 5s2 1 Viewing estimated PTT UETIG sa cn aan Queda n potra o A a tay ipe dett eu itta uota b RON ad edo ihn 100 Figure 6 Communicating with the EVM and DMS cursada dades ada ld 101 Figure 6 1 DMS Start page and SUPONER 101 Figure 2 EVM ard IOWA Ia cal 102 gis Nds NMIB ILS WISI Mese RENTE LL NE 102 Figure o 4 Charts and GEaphs panels eserine ea ta dedu oce RUP eiee te te mieten d ode rica te mt fe Feo e
55. 6 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 mode Off indicates the measurement will not log when in run mode The measurements include the following Level instantaneous or averaged measurment 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 AA Arrows to select Setup and press Enter 2 Select Logging and press Enter 2 To change Logging Interval or Averaging f
56. Calibrate PID Ready screen will appear Press Zero softkey AOTE allow at least 60 seconds to stabilize 5 When the level has stabilized press the Set softkey Or press Cancel softkey and then Retry softkey to repeat this process III B Calibration CALIBRATE pe Flashing PID ce Level asterisk Zero 1 01 Allow to stabilize before rin cal setting calibration point Set softkey 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 PID span calibration Typically for PID 100 ppm isobutylene is used for a span calibration when the VOCs are unknown If your intent is to measure a specific VOC with PID PPM sensor then you will want to use the 73 Placement and calibration of sensors Calibrating Photo lonization Detector PID Sensor 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 amp 7 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 lon Science
57. Calibration VERIFY PID Calibrate Ready Offset Calibrate offset value 99 0 ppm Ts BEEN NENNEN 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 IIL D Calibration VERIFY PID Level Calibrating 175 1 1 0 ppm dice ery 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 O twice e To retry 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 Verify calibration and drifting analysis 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
58. EVM is powered on and run is enabled 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 4 Enabled checkbox and click in the Timed Run field 4 To set the auto run click on configurations Hie CLonhgune Manage Tools Help nstru ment Zommunicaesns Data Finder Day ol Week beat Stress Instrument STEEL e Get Comfigianticn E Send Configuration a Deiis 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 Enabled checkbox and click in the Date field See 2 3 To enable or activate a Date setting click on
59. ID 0 00 to 2 000 ppm 0 01 ppm 5 2 relative doren Mies 0 50 000 ppb 1 ppb 5 296 relative e Non condensing Isobutylene at cal value Photo lonization Detector E E E T amp earlier optional upgradeable Life expectancy Warranty 2 000 hours in clean air environment replaceable bulb and grid 1 year warrant Carbon Dioxide Sensor Detector Range Resolution Repeatability CO sensor 0 to 20 000 ppm 1 ppm 50 ppm e NDIR auto ranging between 0 2 500 non dispersive infrared Non condensing repeatability is 2 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 RH sensor 0 0 to 100 0 1 5 RH signal 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 2C to 60 0 2C 0 1 1 1 C 2 F e Junction Diode 14 09 F to 140 09 F e 2 F Life expectancy Warran 2 years 1 year warrant 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 0 1000 did 1 Dl 5 2 of ener hdi 2 AA 2 years Chlorine CL E 0 20 ppm ll 1 pp
60. N2 gas is recommended For a span calibration the range or span should be a sizeable fraction of the selected full scale range of the gas CO Accuracy The range for the CO sensor is 0 to 20 000 ppm with a settling time of 90 seconds at a flow rate of 1 LPM For a span calibration it is recommended to perform a span calibration to the value you will be measuring i e 10 000 ppm The EVM will derive CO values to achieve greater accuracy over either the 0 5 000 ppm range or the 0 20 000 ppm range The method used is based on the span gas that is used for calibrations If a span gas less than 5 000 ppm is used then CO values will be derived to achieve greater accuracy in the 0 5 000 ppm range NOTE This may lead to reduced accuracy between 5 000 ppm and 20 000 ppm f a span gas equal to or greater than 5 000 ppm is used then the CO values will be derived to provide better accuracy over the 0 20 000 ppm range which may lead to reduced accuracy over the narrower 0 5 000 ppm range 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 ofthe following gases with the regulator and inert tubing 68 Placement and calibration of sensors Calibrating CO2 AND O2 e N gas used for zero cal e CO calibration gas e Room air for 0 calibration gas i e 20 9 2 Attach the regulator and tubing to th
61. 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 3 or save and send to the EVM for more details see Saving and sending configurations Seven Manager tor 1S ZUR re Fie Contest Marge Took Hep Instnarment Cemmunscasena Data Fdo ij pr Far hr E Sound Lese Martem 7 J Eure see Mo inated Marit Lieruametry 9 Ar Quality Heat tres Fatum E 7 am wj Get Coniguezsen Xj Send anigas 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 analog 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 t
62. The Aw Arrows can be used instead of the Select softkey Gas measurements The gas measurement screen displays the measurements for CO toxic gas es and PID sensor NOTE depending on what sensors you ordered and which sensors are installed the appropriate gas sensors will display on this screen Gas screen NEM M 00 05 35 LEVEL STEL CO 750 744 ppm CO 66 61 ppm PID 123 4 121 2 ppm Ee MH 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 MOTE The MX 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 dependant 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 Qe 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 E to change the measurement val
63. YT 41 WU me 04 USB power jack and digital output port 21 Viewing installed sensors ess 17 VOC BID 145 Volatile Organic Compounds SpecificatiONS ocococinocicoonocenononnonnocononononrnronenenononons 127 A lucas carters he teat 84 Quest Technologies a 3M company is a world class manufacturer and leader in the field of occupational safety industrial hygiene and environmental instrumentation Quest products are used in more than 80 countries worldwide 3M Quest has a strong reputation of rugged reliable instrumentation and software systems that monitor and evaluate occupational and environmental health and safety hazards including noise vibration heat stress indoor air quality and toxic combustible gases 3M Quest monitoring instruments serve a variety of occupations and industries with clients in mining research enforcement military education insurance and manufacturing business sectors 3M QUEST TECHNOLOGIES now part af 3M Occupational Health amp Environmental Safety Division Quest Technologies a 3M company ISO 9001 Registered Company www 3M com detection ISO 17025 Accredited Calibration Lab www questtechnologies com 1060 Corporate Center Drive Please recycle Printed in USA Oconomowoc WI 53066 2011 3M Company Customer Service 262 567 9157 All rights reserved Toll Free 800 245 0779 074 300 Rev F 12 11
64. Zero will appear when it has TUNI ig PA t stabilized PM Waiting Current Level reading ZERO CAL ZERO CAL Set softkey will appear when ee VONT NENNEN ee al 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 LU a 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 I a Calibration CALIBRATE PM PASS Actual calibration value Retry Intended 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 M 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 W
65. a 124 Gravimetric cassette and fiter Papers ie 125 Appendix A SDECINIGATIONS ssa a A Aid E 126 Replacement and Optional Parts cas edicere EE Ra 136 Appendix B Customer Service tiniest dada 138 Contacting 3M Quest Tecnologies Instrumentation eese nennt natant natat ta natae ani 138 Iitefriatorial US LOTTIBIS iocis ioir diana 138 MIN AUN o MR T O RUE PERPETUA C 138 vill List of Figures Waran Vi isisa M 139 Appendix B Glossary OF Terms Encendido Ss 140 Appendix C PID sensor and correction factors tables esses nennen arare retener ana rasa tata tn anas a sata ta sn snas ara va ns 146 Appendix D FAQ s particulate measurements iii dll dade iade li 158 Appendix E System errors displayed on the EVM series seessseeeeeeeeenene rennen nennen nannten tnn aa sa tata tnn ananas 163 List of Figures Figure 115 Partculate paiti di Mita A feda Maec tana elata adeft o dco aaa 2 Fig redez Particulates and dlameler sizes daa etc obige lude ul Data pepe den hubiera sedan decos 3 Figure 2 1 Identbving your ecdulpfiie i sessi n tete rates as Pete e eto sai p teet etta irte ue Mo raa e aE MU Or So ran eed 11 Figure 2 2 VIM keypad and display expla lO serra O 12 Rigure 2 30 ar escreen CTI a ao 14 Figure 2r UAM MOSS 16 Figure 2 5 Selecting Unit Info Sensors o dd dd sea di Dele 17 Fig re 2 6
66. 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 or save and send to the EVM for more details see Saving and sending configurations oon BP W MN Ka Detecnon Management Fie Configure Manage Took Heip lntivument Communicator Data Finder i Secunty iJ General Tnggeneg A Legging NP Pariosete a firmware Update Configuration Profile Management a Auto Run Mode Selection Defaut Profile Name Dase Sound Level Meters Ji Enabled Date V Day of Week Arzora ordiances 8 16 2011 15407 PM Noite Docmetry wd 544 Leemestng V3 2011 23507 2 Ar Quality Timed Run Heat Stress QuestDefagt EVM trument Lasa Timed Ro m Dwy o Week M Sunday Y Monday L Ji Wednesday 08 00 00 pj GetConfhguramon a Seed Configuration 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
67. aaa goto ico dU mate iode d Aro patata gae 103 Figure 6 5 EVM data in a report OIM sot Utilidad ona PLORA TAE ost e lets t tal suet dibse id toL eE 104 Figtlte 6 6 Gustomizing DMS FTI OPIS baies tanded terae be ec bara A tra s te Roni er ttn at RE 105 Fig reb 1 avihnd and sending EVM ISSIUDS unti stunt No dide Fade pon Pega Re cin 106 gre soo General VIM SOT S T 107 Figure 5 9 LOG OIG E VM DTO nde e edes De A 108 Figure 6 10 EVM Timed Run Auto Run setting iu iron A amd te tns ra els oa QR et Da UR iia cdi ERU SEQ p ERE MUN n RENEE EEEE 109 Figure 6 11 EVM Auto Iul with Date Sed siclos ea etg e AA Aa 110 Figure 6 12 EVM Auto Run with Day of Week setting dert t eO Eo be ditm ttti ite Ne dts 110 Figure 6 13 EVM Auto Run with Day of Week SUING sets pd te ee qat etoce ote Reo RID Rap Re ONE O ns 111 Figure 6 14 EVM Triggering setup cositas ri odit ctu tc c tutae ere rer freer iur ern UR ub ria dS e bra o Oh CPU UR Arm iEn t nda 112 Figure 6 15 EVM Auto Run with Day of VV GENK snot exacts band ade ROG eh ets dete ed bb vcn i a ts de Debt en Ra uo do 113 Figure f21 Removing and inserting PID Sens On acne tate en endete A a rrt p up es oboe foa ret ies emen focii 116 Figure 7 2 Removing intelligent sensor casing with PO uetus top eoi Pr NS meten e ett Pr aree etc rb Cer act rh ohm rep eir mp bine 118 Figure 7 3 Removing the lamp with removal tool 255 5 xir no Uu Nae DR a 118 X List of Tables Figure 7 4 Remove insert PID sensor with l
68. able impactor setting i e PM 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 CC M DETAIL MN P 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 0 445 is 0 445 mg m Press detail softkey to view all 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 PMA 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 frequentl
69. able detectable sensor 164 lAppendix 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 attaches 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 sens
70. alibration 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 Quest Technologies 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 Quest 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 least 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
71. alibration is performed The steps below outline a gravimetric calibration Please see Chapter 4 for specific details 159 Appendix D FAQ s 11 12 Question How many correction factors can be stored on the monitor and in QSP II 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 QSP II set up for more details Question What if I want to enter in the correction factor after running logging particulate measurements Response Solution You can adjust change the correction factor in QuestSuite Professional ll 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 panel and is applied to the dust measurements in the logged data chart table when dust is the selected parameter 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
72. amp amp pellet Figure 7 5 PID sensor cleaning kit Figure 7 6 Fitting Inserting the lamp and pellet Figure 7 7 Optical engine and cleaning Figure 7 8 Cleaning the optical engine Figure 7 9 When to clean impactors ssss Figure 7 10 Gravimetric cassette and filter paper maintenance List of Tables Table 2 1 Keypad user interface explained Table 2 2 Indicators i e run stop battery Altf Table 3 1 Display settings explained Table 3 2 Logged intervals and selecting logged measurements Table 3 3 Digital out Logic settings Table 4 1 Cross sensitivity table of interfering gas Table 4 2 Gas calibration softkeys explained Table 5 1 Unit abbreviations Table 5 2 Measurement softkeys explained Table 5 2 Measurement softkeys explained continued Table 5 3 Measurement values explained Table 5 4 Past session files softkeys explained CHAPTER 1 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 bui
73. ance 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 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 called 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 s
74. arameters 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 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 Tocis Help avons Dela Finder p stcunty General e ingatang 2 Legere SP Paroculate hunreare ugdaie STEL Ma J Mv zm Get Configuration 3 Send Configuration Figure 6 9 Logging EVM setups 109 EVM Reports and Printing Figure 6 9 Logging EVM setups EVM and auto run setting 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
75. aus sound HER li Chapter 1 Introductio ind odit de Picus EG Rich Dona a cU iSc Rcge einai enna 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 Oro cS o len eile ee A ee en ee eee LIA UL NI UAM 3 Pariculates AMG CULD OI shes 2c castes E REA EA E A MM ID M LAM II ME et M EE 4 Collecting sensing the particulas aceti d ide berita A rte bu eia eot bd eiae rota ee So 4 VIC Samiplitig EE en 4 A TT E 4 Gas sensors sampling seva ipo nonc ance n na qo rc o a v D AD C C E T 5 Gas sensors and Dallls sse dust coms e 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 Polnf u5 itii p oS IDRR EI HEHEEK nani 6 What the standards Sii aaa 6 FS SN cs a Lia dip d hee ete cen Lid cet LEM UM LU NU MM T EVM STS ia 7 O A A EA 7 Models explained T Q 9 Chapter 2 Getting station 11 Checking TOC UTM ING eU RU 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 y 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 lactea rd acte ar ha cbe v rhe or hace rhe rh acte rhe dildo 16
76. ause 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 9 2 1 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 parame
77. c gases listed below Please refer to Appendix A for detailed specifications 1 2 3 4 5 6 7 8 9 1 0 Carbon monoxide CO with a range of 0 1000 ppm Chlorine CL2 with a range of 0 20 ppm Ethylene oxide EtO with a range of 0 20 ppm Hydrogen cyanide HCN with a range of 0 50 ppm Hydrogen sulfide HS with a range of 0 500 ppm Nitrogen dioxide NO with a range of 0 50 ppm Nitric oxide NO with a range of 0 100 ppm Oxygen 02 with a range of 0 30 Sulphur dioxide SO with a range of 0 50 ppm Ozone 03 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 CoH HCI CL O co 100 7 lt lo 9 lt 20 lt 40 ND N D ND ND ND ND Hs lt 2 100 10 1 20 1 ND ND ND ND ND ND NO 5 lt 5 lt 5 o 100 ND ND ND ND N D N D N D No o ND 5 100 lt 30 ND N D ND ND ND N D N D HCN ND ND ND ND ND N D N D ND ND N D N D N D 20 lt 10 0 50 5 N D lt 10 N D
78. city data press the Run Stop key Connect AirProbe to the back housing two inlets located near the air flow outlet See air 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 Awy 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 MM 0 1 42 51 Composite DETAILS LEVEL 0 453 MIN 0 396 MAX 0 528 AVG 0 603 PM Composite details STEL 0 612 screen TWA 0 599 Exit softkey Figure 5 12 Details of the composite measurement screen 3 Press On Off Esc Dio 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
79. d exclude the particulate 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 Aww Arrows and press Enter 2 2 Press Ax Arrows repeatedly until Particulate is selected and press Enter E The particulate setup screen will appear 3 To enable disable the particulate setting pump ensure Particulate is selected and press Enter 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 amp 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 Aww Arrows Press Enter ifi 2 Press Mwy Arrows to select the Particulate screen and press Enter The particulate screen will appear 34 Setting up parameters via the keypad Auxiliary input output 3 To reset the Gravimetric filter select the Grav Mass Grav
80. d sending configurations With the EVM there are saved setup profiles used to quickly z ss Ji 3 mo VM 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 Tosave 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 Tocreate a new profile name click sees and type in a profile name Click Save It will save under the configuration profile management panel o 2 Click on the i button see 2 and type in a Name Click Ok e Note This saves the configuration file to the NoisePro 7 DM a Setups Click on the tabs to setup view e Auto Run Security General Triggering Logging Particulate Firmware Update Ww Save As bd Save 2 Refresh 2 Get Configuration i3 Send Comhgurstion f Load A Delete f Rename 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
81. der Contacting 3M Quest Technologies above Calibration The EVM Series and 3M Quest 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 Quest Technologies warrants EVM Series Environmental Monitor will be from 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 as above with service provided or arranged through the authorized Quest distributor or our 3M Quest European Service Laboratory Foreign purchasers should contact the local 3M Quest 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
82. 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 Quest 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 always be installed It should be noted that the pump protection filter cassette will periodically need to be cleaned or replaced Question Does Quest offer cassettes Response Solution Quest Technologies offers a 5 pack of 37mm gravimetric cassettes for pump protection Order Part Number 074 076 5 Quest Technologies also offers a 10 pack order Part Number 074 090 However Quest does not offer any other filters for special testing Toxic Sensor measurements 1 2 P 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 war
83. e familiarize yourself with the unit before using it in a potentially hazardous situation 2 Introduction Particulate path Particulate sampling Aerosols 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 Turret im e 4 PUMP The remaining clean filtered air passes through the pump Y 0 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 E ME
84. e gas cylinder 3 Place the Cal cup over the Air inlet cover and slide the tubing over the black air inlet casing 4 From the start screen press yw Arrow to select Calibration and press Enter 5 n the Calibration screen press MAW Arrows to select CO or O CALIBRATION E Selecting a sensor v CO Press Up or Down Arrow FACTORY CALIBRATION CAL softkey 24 MAY 2009 10 29 33 nc HE VN 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 VIUA 3 calibration CALIBRATE CO 2 Ready Softkey Menu Zero Span or Exit Figure 4 24 Calibration CO2 ready screen M1 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 Press the Set softkey Turn off reg
85. e lc A A A ESOS 69 Fig re4 25 Setting GOs Span Cal SOM s tintas dalt 70 Rigure 4205 Saved Gala E ad aos 70 Figure 4 27 Selecting PID sensor for calibration process a kata festos Dedi owe es aos iN REQUIRE 72 Figure 4 28 Calibration mode Sres Nada ecu asl eed REE Natt Shaw od Guat tardies 12 Fig re4 29 FID Calibration Span SOTO aia 73 Piguibe 4 30 Saved Calibration Scree india a a e eger spat A duras a aA ALANE NTA 74 Figure 4 31 Temperat re ct Dt A tU UN e MS pa met Let NN MU 15 Elgite 82 Calibration HISTODESCEBOTT assa ear a D ices toh AA A taal o hen RR ual e INR Pe UN vibus T6 Figure 4 33 Calibrate offset verify screen for PID Sensor dise crar PLE eti d buta nce bep abe eb diee dd ebd LC bU PD TT FIGS een Galibrating Pl Dr ote AAA ee ie ca otto Puss Ait ii 78 Figure 5 1 Quick help ISt TOF running a NA 80 Figure 5 2 Sample summary data from QSP II TOO AO 81 Figure 5 3 Sample time history data or logged data Ci A e 82 Figure 5 4 Composite measurement screen in run a aaa 83 Figure 5 5 Example of measurement softkey MENUS 5 5 0 proi Bep A tibl nd ot d ai 85 Figure 5 6 Particulate Measurement NA A A RR Ec Rr E 86 Figure S 7 gt lt SeleClinG a meastrementca CU arial dada 88 Figure 5 8 RH and temperature measurement SCIENCE ect are dai 89 Figure 5 9 Gas measurement screen fez ct eria a HN scr vd wa aa NUR RU Gr lee a 90 Figure 5 10 Composite MOISES say DOR bt ud bladi sical ins woud ety edd chap td edicts bana RU 91 Figure
86. e to the next field s pressa Jj Arrows Repeat as necessary wi p EN setup auto run DATE a aa ca Start time ag REET with e Select time of day AUTO RUN a la RT 24 hour clock by pressing up down 24 JUL 2009 Duratoh TNT S 9 00 00 D 07 30 00 e Press up down arrows to select hours minutes seconds FOUR Figure 3 25 Setting auto run date mode 7 To save press Enter key Press e 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 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 LA 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 4 Arrows to move through the Days Time and Duration fields Press Ay Arrows to change the value When programmed press Enter Press e key repeatedly to return to the main screen TUARUM Days Optional Programming is set from sunday through Saturda
87. edure Air Flow Outlet Used to connect a primary standard calibrator with tubing Figure 4 14 Pump flow rate calibration gt Flow rate calibration 1 Connect the flow meter i e primary standard and inert tubing to the EVM 2 Turn the EVM on by pressing On Off Esc amp 3 Select the Calibration menu by pressing the Down Arrow until it is selected and press Enter E Select Flow Rt flow rate by repeatedly pressing AMY Arrows key until it appears 5 Press the CAL softkey and then press the Start softkey 99 Placement and calibration of sensors Toxic gas sensors IA n 1 67 Ipm is the recommended flow rate to Flow Rt y mirror with Calibrating Percentage of air flowing through the pump Save 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 I NOTE 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 toxi
88. ee 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 example Used for particulate zero cal Zero filter with coupler and vent opening Insert the Zero Filter via the black coupler into the hole near the label 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
89. een 6 Press On Off Esc e 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 size name and date or name and run time via the lookup softkey Oncea session is selected the measurement summary information is viewable and selectable via q Arrows amp 7 NOTE the session run time will appear at the top of display Summary data screen gt Selecting and viewing past session summary data 1 From the start screen select past session summary menu and press Enter 2 Inthe past session screen to view the last session ensure this field is selected then press Detail softkey NN NM PAST SESSION FILES Allows user to choose any past LAST SESSION EVM0001 session This appears when File FILE EVM0011 field is selcted DETAIL Used to view the summary data of the selected session a EE UB van 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 e 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 e To select a session press AWWW Arrow
90. een e Logging screen includes selecting the logging interval averaging time and logged measurements e Display settings include selecting key clicks language and display contrast e Setting up Input Output 1 0 options including digital out air velocity or analog out If you 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 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 E The Setup menu will appear 3 In the Time Date screen press the MW 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 E to move to the update fields 2 column 5 To change the field values press MAW Arrows To move to the next field press the right left arrow key Repeat this step as necessary e Toreturn to the first column field Time Date or Day repeatedly press Enter MM or press On Off Esc e to cancel session 6 Continue to repeat steps
91. een 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 CO2 you would first select the CO2 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 Some sensors b ing the up or down arrow keys Table 5 2 Measurement softkeys explained continued Particulate measurement screen The particulate measurement screen displays the user adjust
92. een set ZERO Ml SPAN SAVE ANCE Figure 4 20 Calibration zero pause screen 9 To set the span cal proceed to Toxic gas span calibration I NOTE if you want to re do the zero calibration press the Zero softkey and repeat steps 7 and 8 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 NOTE for Ozone span calibration an ozone generator should be used f 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 gt 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 di
93. elds press a j Arrows Repeat as necessary IT 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 to save your settings amp 7 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 gt 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 P 3 Press Enter E 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 wi setup AUTO RUN AUTO RUN Softkeys 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 THREE FOUR Figure 3 24 Selecting auto run with date mode 5 If off appears under Auto Run press Enter e skip and see step 6 6 To change the fields press W Arrows To mov
94. embly 137 Appendix A 074 713 PID PPM smart sensor includes pellet removal tool Ultra zero grade air cal gas PID PPB replacement pellet grid 074 712 CO Smart sensor 054 972 1 0 LPM regulator with 2 0 050 ID inert tubing Options Parts amp Numbers Description 054 899 Dummy sensor used to seal the socket when no gas sensor is present 053 870 12 VDC car charger adapter Air Probe 10 kit includes 120V charger adapter cable and mounting bracket Air Probe 10 kit includes 220V charger adapter cable and mounting bracket Air Probe adapter cable included with each air probe option 138 Appendix A Appendix B Customer service Contacting 3M Quest Tecnologies Instrumentation Should your 3M Quest Technologies 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 0779 Fax 1 262 567 4047 Office hours are 8 00 a m to 5 00 p m United States Central e E mail 3Mdetectionmail mmm com 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 Quest by using the e mail telephone or fax information given un
95. ensor out with your thumb and index finger Place to the side Sensor bar Screw 2 Screw 1 PID sensor located in the Manifold middle of the sensor housing Ga yp Aaa mi 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 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
96. er E and the first field will be shaded selected Press wy Arrows to change the numeric value TIE 17 Adding a numeric password SECURITY MODES e Press Up Down arrows to enter a number 0 0 0 0 e Press Left Right arrow keys Setup Disabled to move to the next field e Repeat as necessary me eS es Figure 3 21 Setting lock secure 6 Repeat step 5 until the password is entered When you press Enter 2 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 Quest 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 including a timed run a date a day of week DOW and a disabled m
97. er cubic meter This is a unit of measurement of mass per unit volume and is used for particulate measurements and PID PPB PID sensor for VOCs 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 Feet per minute This is the unit of meas rement 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 MM 00 02 36 COMPOSITE 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 if more than one sensor parameter is selectable on a measurement screen this is used to select a sensor such as temperature toxic gas sensor PID sensor etc If you are on the composite scr
98. erstand how to insert or replace a sensor this is discussed in the procedures below Inserting sensors 1 Ensure the instrument is turned of 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 Screw 1 Air inlet cover Temperature wo Relative Humidity sensor Dry bulb thermometer measures ambient air Dial in a temperature Impactors uu lt Screw 2 Toxic sensor PID sensor CO Sensor ou EE Figure 4 2 Sensors locations 49 Calibrating particulates 2 Pump circulates the air through the tubing Placement and calibration of sensors Calibrating particulates NOTE The Temperature Rela
99. es Y AirProbe 10 v Particulates v Toxic v Relative Humidity sensor CO v Temperature sensor Y CO sensor Y PID sensor 10 EVM Series Models explained This page left blank intentionally CHAPTER 11 Checking the equipment Models explained 2 Getting started This chapter is designed to guide you through 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 or other accessories please refer to Replacement parts on page 136 USB cable connects to the external output of the EVM to your pc Universal Power LBs adapter External Power supply for EVM 4 Example of a cal gas and oo regulator GA Sample senor Your sensors will be calibrated and placed inside IL the instrument depending on what you ordered The sensor type is f PID cleaning kit for measuring labeled on the side of the FA VOC s Q tips cleaning cylinder E Ai 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
100. et 6 64 m fields to 0 softkey 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 It is optional to press the Run Stop key to log the gravimetric filter sampling NOTE 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 9 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 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 proc
101. evice 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 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 Quest Technologies a 3M company for details on obtaining a CD for updates www questtechnologies 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 e 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 and cleaning with the PID sensor e Optical Engine maintenance and cleaning e mpactor care e Gravimetric cassette and filter paper PID sensor The following section explains basic installation mainten
102. ewing estimated run time CHAPTER 6 101 DMS Software 73 EVM Communication Once communicating 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 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 MAA button see 1 or idR 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 S etup and or Download panels Click the I B buttons to expand collapse if applicable Fares Suet Lave Aul tan hare Dosimetry Maat ieis 3 amp Advanced auo Excepbonal Val la Dala PFrealer Mer Dorada tomes icd Downend B neisse E stop Download initum Figure 6 1 DMS Start page and Setup Download options 102 JEVM Viewing Data Downloading data with the EVM Downloading data with the EVM The Instrument Download feature enables you to download your files from the EVM Series into
103. for logging screen 5 Press On Off Esc repeatedly to return to the Start screen PID correction adding editing 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 correction factors table in Appendix C for more details gt Adding Editing PID correction factor 1 From the start menu press MAW Arrows to select Setup and press Enter 28 Setting up parameters via the keypad PID correction adding editing 2 Select PID by pressing Nw Arrows and press Enter E The PID correction factor screen will appear 3 Press Enter change the value to move to the value field Press AW Arrows to Press Enter save your changes 4 Press On Off Esc repeatedly to return to the start screen MS ANO LOS 2 0 DEFAULT PID Factor number Press up down arrows on keypad to change value Press Enter to save Default softkey Press to restore PID factor to default 1 Figure 3 7 PID correction factor 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 LE 00 25 35 LEVEL STEL CO 750 744 CO 66 61 PID 123 4 121 2 ppm ppm ppm Esa A PID and correction factor The applied correction factor 3 5 is displayed in the Gas measurement screen on measurement screens i 00 02 36 1 22
104. g you would change the correction 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 gt Setting dust correction factors profiles 1 From the Start screen select the Setup menu by pressing Ay Arrows and press Enter E 2 Press W Arrows repeatedly until Particulate is selected and press Enter 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 AMY Arrows and press the Edit softkey MN 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 m 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 DS Profile name PROFILE3 ZzTeTaTEZE Optional customize the FACTOR 3 0000 profile name Factor Figure 3 11 Ente
105. g 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 Space see also Permit Required Confined Space A Confined Space has 3 components a It is large enough to enter perform work b It has limited means for entry amp exit C It is 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
106. hane 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 OOo 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 C2H682 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 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 UjO O0 ND E O tt O1 2 CO EE ele pe
107. he 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 to select 112 EVM Reports and Printing EVM and triggering settings 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 a i 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 o
108. hen 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 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 163 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 w
109. hes the screen from a dotted line 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 NE P 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 89 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 measureme
110. hetip 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 AWARNING This product monitors for the presence and concentration level of certain specitied airborne gases vapors and particulates dependent on model The EVM Series of Environmental Monitors are NOT for use in Explosive or Hazardous locations This equipment must be operated and serviced by qualified personnel Read and understand the User Manual which can be found on www questtechnologies com before operating or servicing Misuse or failure to follow warnings and instructions may result in erroneous readings For further information call 3M Quest Technologies at 1 800 245 0779 Table of IV Table of Contents Contents Table of Contents Dangers warnings amp Cautions cee ssa venues ws sans vci wavs wens dss voces ws Ss ane sea suis sorbed oda sab uer ada
111. ield 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 field indicates the amount of memory available or free on the instrument AMAN ig NUM FILES USED i File system properties FREE 1 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 QSP Il 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 132 Ivi FI 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 Then press Enter e key and the Estimated Run Time screen will appear TD ESTIMATED RUN TIME 28 DAYS 12 HOURS 10 MINUTES estimate Figure 5 21 Vi
112. ing descending See 3 e Analyze Report Select a session and then click on one of the buttons See 4 Mi t Owtection Morgen Sofa Fie Confhgut Manage Toots Help lrszrument Communcations Dola hnde TVMO1I3_ LAURAS Le Y 3 Secion Study Name Start Time Stop Time Roa Tine Oust Average Dust Max CO Average 1 Carbon Diowkde Min 1 Temperature EvMOLS3 LAURAS EVM 13 2 23 2011 42 50 PM 12 13 2011 42713 PM 000123 03 myms mam i 7149 Pew 0 vM 13 Y 2 E PA E pesi iran pacem room passe pec IA E ECT poni Swans EEN IN pues pu IO A unscmuazussr penu fliers ZN IN LN DA AE EA e mp Figure 6 3 Data finder page 103 JEVM 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 sessions studies displayed in the panel section of your screen e Data Panels D used to view yo
113. ith 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 CO Chlorine Performed with Pure Air or CL gas E E ee Ethylene Performed with Pure Air or EtO gas Ss A NN Hydrogen Performed with Pure Air or HCN gas Cyanide Nitrogen HCN Hydrogen Performed with Pure Air or H2S gas Sulfide 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 O sensor 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 t
114. ith 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 H5S 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 23 596 oxygen by volume C Airborne combustible dust at a concentration that meets or exceeds its LEL airborne combustible dust which obscures vision 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 c
115. ith numeric system errors which range from 101 108 Ifa numeric system error appears please call Quest Technologies 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 Quest Technologies 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 appears frequently this indicates the instrument may need to be serviced Please contact Quest 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 avail
116. ith the EVM 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 res
117. ity 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 a 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 options 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 EVM Reports and Printing Figure 6 9 Logging EVM setups EVM and auto run setting 2 To set the logging settings click on configurations or save and send to the EVM for more details see Saving and sending EVM logging parameters table Logging p
118. l 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 Quest Technologies 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 Quest Technologies 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 Howdowe calibrate the PID Response Solution A PID calibration is a two point calibration 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 c
119. l 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 exposure 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 applicab
120. ldings and homes which contain levels of carcinogens At high levels this is known as Sick Building syndrome and can cause acute effects such as 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 Pleas
121. le 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 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 uses 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 pe
122. left right arrow to select Yes or No Then press Enter key NO X Figure 5 18 Delete session message Repeat these steps until all 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 QSP 1I 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 e to open A delete message will appear Press the left arrow to select Yes and press Enter to delete all sessions DELETE 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 e 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 key to open the Properties screen e Num Files f
123. m 5 2 idein years 1 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 0 500 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 0 1 ppm 5 2 of 2 years 1 year Signal Oxygen 0 0 0 30 5 2 of 2 years 2 years signal Ozone 03 0 1 0 ppm 0 01 ppm 596 2 of 18 months 12 months signal sensitivity drift 10 over 6 years Sulphur Dioxide SO 0 0 50 ppm 0 1 ppm 596 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 Measurements 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
124. m connector See Chapter 6 for more details on software and the EVM Figure 2 7 Communicating with QSP II 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 continuous 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 M 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
125. message will 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 WU Ei Calibration CALIBRATE PID Pause Intended Actual Calibration Previous results after calibration completed span cal SAVE softkey ZERO B SPAN 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 OY 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 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 75 Placement and calibration of sensors Calibrating relative humidity and temperature gt 1 2 Relative Humidity or Temperature calibration Open
126. 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 to 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 L EVM 7 includes v 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 O2 Sulphur Dioxide SO 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 EVM 3 includ
127. n 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 It is suggested to replace the filter paper when the flow rate is not maintained The instrument will display a warning message when it needs replacing gt 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 paper 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
128. nd 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 gt Changing language contrast and key click settings 1 From the start menu press AA Arrows to select 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 to move to the 2 column changeable field 4 Please follow the fields that apply e To change the Language press MW Arrows to select a specific language Press Enter f 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 f 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 E to move back to the left column or escape to cancel selection NN N 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
129. nn nnnm nnne 103 EVM Reports and Printing iir tat ri cii eu aati oc DRE S vantages paadss 104 Customizing Tepon s oes oes pe s M s sr pud EM M EM c EM ME M EM ME Mc EMI EE 105 SA Ecler EE 106 Saving and Sending COMU INSI A ab We tont 106 A VNTSB UD meneame eee re re Pre RR ee D E IM ME ME EE 106 EVM general parameters VANS AAA ASAS 107 EVM and logging setih gS sarta aora aa 107 EVM logging parameters tables natos ans aaa omnia aaa Roos 108 Figure 6 9 Logging EVM setups EVM and auto run setting nennen nnne nnn rnnt nnns 108 ENM AVG AUTO IAF O O 109 Timed RUN and adto TUNS TUNG A te ER Ede dd odes ety uaa ate doro dtd 109 Date sro bre ioc TUN SENO P 109 Day orweek and auton Seting Ninot 110 EVM and secur V EOS eh a E a A E EE co dure pter 111 EVM angaunggering SSRIS AAA AAA AS 111 EVMiandparteulale se Serra toa EORR rop ob urbe URDU ERRARE EUN SEX A REDE 113 EVM and Particulates SOIUD secedere deest oett tance di t d terit thc e tort nasal tats te edo e Aan iese a A o Edda 113 Chapter 7 Maintenance amp cleaning ini ds XE DEED END FCR v ERE EE EVER EN 115 OVEIVICW I sia 115 PID SENSO xus ta exe ued nas Gt v ORG RU NEG ss cand er Rz Ncc beu aon rs rp n Runde 115 Removing and installing PID SMS Ol eer ECL H 116 Maintenance and cleaning overview of PID antic 117 Ceanna PID o THEE 117 Optical Engine miamtenance and Oda 120 IMP ACCOR Cale casaron adan aaa aaa tias 123 impactors ANG when t0 de
130. nts from the most recent fifteen 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 8 Relative humidity and temperature screen IMM x 00 05 28 lt gt TEMP RH LEVEL AVG TEMP 77 9 76 3 OF RH 39 9 41 6 DEW PT 51 6 51 2 F To select a different measurement type press the Enter key repeatedly Select Trend Detail softkeys i e used to change the measurement view Ee MH 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 MOTE
131. ode 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 E 3 In the Auto Run screen press enter to select Timed Run f it is not displayed press MAW Arrows repeatedly until selected 4 Next press the ONE softkey or select View Set Parameters Auto Run and Timed Run settin e Select Timed run by pressing Enter and then press Up Down arrows to move through the menu AAN setup AUTO RUN AUTO RUN Timed Run Timed Run softkey e Select first softkey to access the Timed run screen VIEW SET PARAMETERS Ev NENNEN E Figure 3 22 Selecting auto run with timed run mode 5 In the timed run screen press Enter fs 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 press AW Arrows To move between the fi
132. 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 CO2 and PID Please refer to Figure 1 3 in Chapter 1 162 lAppendix D FAQ s Calibrating sensors Question What calibration gases or calibration equipment are needed for calibrating sensors on the EVM series Advanced calibration correction factors 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 20 000 ppm It is recommended to span cal to the value you will be measuring i e 10 000 ppm for best results Note settling time with 1 LPM gas flow has a response time of lt 90 seconds PID ppm Performed w
133. ollected for measurement The flow rate is 1 67 Liter per minute The pump is typically calibrated before each gravimetric sampling o 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 simultaneously a selection of optional nine toxic gases Carbon Dioxide combustible gases and VOC s Gas sensors and path Quest 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 It is 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 iz o as sensor s path Fan Very quiet Figure 1 3 Gas sensor path illustration 6 Volatile organic compounds VOC s sampling Gas sensors
134. ollow below e Press ANY Arrows to select Logging interval or Averaging e Press Enter to move to the changeable field and then press Aw Arrows e Press Enter E 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 selected press Enter E this will move your cursor to the On Off field e Press AiNy Arrows to toggle and select On or Off e Press Enter E again to return to the measurement e Repeat step 3 until all logging parameters are enabled disabled 27 Setting up parameters via the keypad PID correction adding editing A E DML O N LEVEL ON AVG OFF MIN OFF STEL ON MAX OFF Est Run TM When selected the estimated run logging time interval time screen displays the total Figure 3 5 Logging screen remaining time Logging attributes measurements un Time 4 Optional To view the Estimated Run Time select this field by pressing W Arrows and press Enter 2 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
135. onducted with a golden instrument that is calibrated using a certifiable gravimetric sample Quest Technologies recommends a yearly factory calibration Question Do I 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 Al for specific details NOTE a zero calibration may be used when performing area survey monitoring However if you are testing in accordance to NIOSHO600 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 particulate 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 c
136. or The pump tries to maintain 1 67 lpm flow rate When the flow rate is not maintained this message will appear Reasor 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 xxx 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 165 INDEX INDEX coo 84 ACGIH A e M 140 Air monitoring A AA 140 Air pollution Bp mE 140 Air quality monitoring BIO c
137. ours 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 E Press Ay Arrows to select Analog Out and press Enter E To enable or disable press Enter when Analog out is selected and press MAW 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 E Then press MAW Arrows to page through the selection list Once the appropriate sensor is selected press Enter e To return to the start screen press On Off Escft9 twice MN M Setup Aux ANALOG OUT ANALOG OUT Mi Disable Enable Analog out field Sensor PID Select a Sensor Ov Oppm 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 NOTE 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 MAW Arrows until Defaults is selected or highlighted 2 Press Enter Mi to open the screen Mn FACTORY CALIBRATION Restoring Default settings FACTORY SETTINGS Select either or both to restore all factory cals settings Restore Factory Cal gt Figure 3 17 Defaults screen re
138. ov 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 making 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 100 0 10 00 33 10 02 33 10 10 2007 10 10 2007 10 10 2007 Date Time Particulate Measurement 250 mg m Loy yd Data Chart 2859 1 242046 01 00 03 16 1 19 2007 MIST 11 19 2007 11 2 2007 Date Time Sure Sie AI ue M 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
139. 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 screen 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 trend softkey MAX 0 477 TWA 0 018 Press third softkey to view trend data LEVEL 0 4 f mg m CST BEN CEA C Figure 5 13 Selecting Trend softkey 2 n 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 AMY Arrows to change the vertical range 5 Optional Press a j Arrows to change the horizontal range MM 00 05 51 Scale Trend Screen Dust example Press up down Plots data logged points over to change 90 second intervals range Line or Bar softkeys View trend data as a bar chart or as a line chart by pressing this softkey Figure 5 14 Trend Screen for PM Dust 95 Past session Summary data scr
140. pm 9 Yo ppb measurement o mg m Mercury alkyls t ESA 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 O O1 PO OJN lolzialolwoiv wm o mio Dm n nlalwln ow NI KR VIEN w iwlolololololmio S mMiOlO wWiO No wIolololol lw olo oo Go C2 a o OIo o o Oi O ZW zo ceo 2 o o1 o 2 olal lw m oon a olojolSlolmi lo o BRlOIN O wlaln 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 Co
141. r 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 96 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 sensor 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 mg m C2H O 4 9 HO C4HcOs CsHeO CH3CN C3H402
142. r 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 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 amp l M A Quest Technologies 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 MAW Arrows and then press Enter 2 This will open the selected menu screen 2 To view the measurement screens press the Righ
143. r 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 100 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 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
144. r 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 Quest AirProbe10 optional accessory gt 1 2 Ji Setting air velocity From the setup screen select Aux I O and press Enter E Press AA Arrows to select Air Velocity and press Enter To change the setting from either enabled or disabled press Enter ie MENFE E Setup AUXMIR VELOCITY AIR VELOCITY Hilo 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 amp 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 with the thermometer from 0 to 60 C reading from 0 to 5 volts 60 C 40 v ZN 20 o ol e 0 1 2 3 4 5 6 7 8 9 H
145. ranty 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 Carbon Monoxide Chlorine CL Ethylene Oxide EtO Hydrogen Sulfide H Nitrogen Dioxide NO Oxygen O2 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 CO Hydrogen Cyanide HCN 25 2 l 160 Appendix D FAQ s 3 How often do we need to calibrate the pump Response Solution Quest Technologies 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 dowe calibrate the pump Response Solution An accurate flow meter such as a primary standard calibrator and tubing is required to perform
146. ring a profile for particulate calibration 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 E Press AA Arrows to change the characters To move to the next position press d Arrows then press Enter ff 7 Press YW Arrow to select the Factor and press Enter e to move to the 2 column Press MAW 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 E to confirm or Esc key to cancel changes 8 Pressthe On Off Esc amp 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 E Then continuously press AW Arrows until the appropriate profile correction factor is selected Press Enter E to return to the first column 10 Press On Off Escft9 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 an
147. rrection 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 Mineral ol Mineral spirits J Parffnwaxfume FPardf ns normal 2 Petroleum ether 140 70 400 350 C1 O N Co no BW ceja no al A e al N N e e al e 01 O1 O D 7 O N AANA m ele SS EE A 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 ee ppm factor sensitivity PID m ment to EEN ppb C6H6O Phenyl 2 3 epoxypropyl ether C9H1002 1 08 125 BO Phenylenediamine C6H8N2 06 G7 60 Phosgene COCD NRO Picoline 1 C6HIN 09 9 100 amp 90 Piperidne C5HIIN 09 J 9 100 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 NRO Terphenyls OCt18Hl4 OG Tetrachloro 1 2 C2CIAF2 difluoroethane 156 Appendix C PID cal correction factors Gas VOC Formula Correction Relative Typical used to convert ppm factor sensi
148. s and press the Load Softkey MM NE S ion LO LE VM0103 JAN 10 10 00 10 30 EVMO102 DEC 19 09 00 08 13 o ala EVMO101 DEC 12 09 16 13 54 9 oy Name and date order Look up EVM0100 NOV 20 09 15 11 19 Re arrange EVMOO99 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 Oncea file is selected and loaded press the Detail softkey to view the summary data 97 File System menu Deleting sessions individually amp 7 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 Mii NM 1 42 Session run time Summary data AVG gt Measurements viewable MAX STEL 0 803 for particulates TWA 0 113 PM4 Indicates the summary data you are viewing Figure 5 17 Summary screen of a past session 5 When viewing summary data press 4 Arrows to view
149. s such requires the user to install a pull up resistor 35 Setting up parameters via the keypad Auxiliary input output approximately 50msec when the threshold is exceeded 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 A Press W Arrow repeatedly until Aux I O and press Enter Select Digital Out and press Enter amp os Ms Dus ENT In the Digital Out screen do one of the following e Dig Out field select via AN Arrows and press Enter Press Arrows Awy to Enable Disable e Sensor field select via Aw Arrows and press Enter Press Arrows W to select one of the sensors e Logic field select via ANY Arrows and press Enter Press Arrows Aw to select one of the triggering modes e Threshold field select via ANY Arrows and press Enter e Press MW Arrows to select a value 5 To return to the Start screen press the On Off Esc C9 twice ANA a Setup AUX DIGITAL OUT DIG OUT Enabled SENSOR PM Digital Output parameters LOGIC Active High Threshold 0 000 mg m Set Digital Out gt Figure 3 13 Configuring digital output 36 Setting up parameters via the keypad Air Velocity Air Velocity Setting the ai
150. screen press the right left arrow until the start screen appears NN NM lt gt START FILE SYSTEM PAST SESSION SUMMARY SETUP Start screen CALIBRATION Highlighting indicates Setup menu is selected UNIT INFORMATION for measurements press Measurement screens Press right or left arrow to view Figure 3 2 Start screen 2 Repeatedly press MAW Arrows until Battery is seiectea 3 In the Battery setup screen it will display the remaining capacity on the battery pack 4 To return to the Start screen press On Off Esc OB twice TIE Battery indicator has all bars representing Battery Level 100 96 fully charged battery 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 a
151. sensors 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 e 3 In the start screen press the Down W arrow to select Calibration and press the Enter 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 CALIBRATION CO Selecting a sensor Press Up or Down Arrow on keypad USER CALIBRATION 14 JUN 2009 11 29 33 Cal softkey au 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 ANIMA AS 177 Level Allow to stabilize before setting calibration point Flashing asterisk indicates cal mode Press Set softkey to save ZERO CAL the level set point MU ay 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 WM Fa calibration CALIBRATE Zero Cal CO plus sign Pause Samedi indicates Zero cal 2pan cal e has besmsot minus sign indicates Intended Actual User Span cal has not b
152. splay Wait for the current level to stabilize allow a couple of minutes AIM ie Level Allow to stabilize Set Figure 4 21 Span Calibration 3 Adjust the span value by pressing AMY 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 WIA in calibration CALIBRATE CO Pause Previous calibration result Intended Actual New value 500 499 ppm SAVE softkey Rae ES Ea Sil 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 eui you return to the start screen 8 Press Arrows to view measurement screens Calibrating CO AND O With the Carbon Dioxide CO or Oxygen O calibration you can 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 zero calibration using a Nitrogen
153. storing 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 AA Arrows and press Enter 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 NALINI 10 setup defaults CALS PID FLOW RT A Bestoring Default Cals Restoring Default Cals Select a sensor Choose ALL SENSORS Yes or No with the screen prompt and press Enter key restore pm 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 E e A Restore Factory Settings pop up screen will appear Press either Yes or No witha Jj 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 backlight key until it is turned off Backlight o key
154. summary data for each sensor This is similar to viewing measurements during run or stop mode e In the summary data screen the session run time will appear 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 To return 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 E to open 98 File System menu Delete all sessions 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 This will delete the selected session DELETE Delete message EVMO13 EVM Press
155. system management functionality which is comprised of the following reviewing past measurements deleting files viewing file storage and memory and viewing the estimated run time kT 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 uick Help List ical gas particulate air quality overview Ore 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 key to start the study Chapter 5 When you are ready to end your study press the Run Stop key to Stop the study Review your results either on the instrument or download to QSP II 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 With a couple pushes on the keypad buttons you will be running and viewing your sessions Follo
156. t 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 M 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 gt 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 Mil 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 mj mg m a ael 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 ts directly to the left of the impactor text positioning Air inlet hole for PM2 5 Air inlet hole for PM4 PM2 5 position PM4 position Air inlet hole for PM10 Air inlet hole for PM PM position no text marking e Position used for zero calibration PM10 position Figure 4 5 Adjusting impactor turret setting 3 If you s
157. t 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 Many 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 g
158. t or Left 4 Arrow and this will toggle you through the measurement views Indicators e Battery power IMM e Stop BE VW START Start Screen FILE SYSTEM Press the left or right arrow key to toggle PAST SESSION SUMMARY through measurement views SETUP Menu options CALIBRATION A selected menu is indicated by the UNIT INFORMATION shaded text f Screen descri tions IS or measurements press lt gt A note explaining how to access the measurement screens by pressing the right or left arrows riyure 2 3 Start screen defined 15 Turning on Navigating Navigating Once the EVM is powered on press the Up Down Arrow a Key to select a menu or to edit a field Press the Left Right 4 Arrow Key to scroll through measurement screen start screen or to move right or left in a menu i e setup menu Press Enter E 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
159. ters The following measurements are displayed on the instrument and in the Logged data table chart in QSP II 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 varied 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 contro
160. 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 7 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 M7 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 SMALL AMOUNT OF GREASE USE SWAB OR FINGER TO SPREAD TO TOPS OF THREE IMPACTORS GREASE INTO VERY THIN LAYER WITH SCREWS IMPACTORS ARE NOW READY FOR DUST SAMPLING REPLACE TURRET TOP AND SECURE 124 Maintenance and Cleaning mpactor care Impactors and when to clean When the dust accumulates o
161. 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 settings 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 902 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 A E Gravimetric sampling is a type of filtering process in which the particulates are collected and filtered into the gravimetric cassette after ML the dust passes through the optical engine of Ne the EVM A user supplied sealed gravimetric A cassette can be used in place of the cassette ift provided by Quest The sealed cassette can A be 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 c
162. 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 mo button 3 Select the Air Quality family and the EVM from the Instrument window see 1 4 Press the Download button see 2 3M Detecti X Fie Configure Manage Toot Heip 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 button and the data finder screen will appear Or select the Data Finder tab if already opened 1 Select a session by either double clicking on data or click on the session study and select the Analyze 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 e Start Time To quickly locate your study by most recent start time click on the Start Time heading and it will sort ascend
163. 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 dol access my 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 Quest tech support for stereo plug details Figure B Input Output Port Digital Middle ring Ground User connector outer ring
164. ticulate Measurements PM ug m PID or Air Velocity PID PPM AIR V m s Screen message Press the enter key 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 Particulate field enables and disables when measuring particulates If disabled it will not enable the pump during run mode Profile field used to select the active particulate profile The active profile can be edited by pressing the edit quick key 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 A user will have different correction factors based on the t
165. tive 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 stream you are measuring How does it operate Air travels through the impactor and the heav
166. tivity PID measurement to mg m ppb Tetrachloro 1 C2HCI4F NR fluoroethane 1 1 2 2 ii difluoroethane fluoroethane Tetrachloroethane 13 12 C2H2014 n C2H2014 oo EM Tetrachloroethylene C2CM Tetrachloronaphthalenes C10H4Cl4 1 0 100 100 all isomers Tetraethyllead C8H20Pb NR l e Tetrafluoroethane 1 1 1 2 C2H2F4_________ NR_____ o de Tetrafluoroethane 1 1 2 2 C2H2F4 NRO Tetrafluoromethane CF4 PNR Tetramethylorthosilicate C4H1204Si NR J Thermno Jo odo 10 100 Thionylchloride SOC2 1 1 NH Toluene Toluene 2 4 disooyanate CoHenz02 ie so 160 Tene U e 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 difluoroethane 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 s factor sensitivity PID measurement to mg m 9 o ppb NR Trichlorobenzene 1 2 4 C6H3CI3 o6 sco 50 Trichloroethane 1 1 1 C2H3CI3 LN tell Trichloroethane 1 1 2 C2H3CI3 FE 1 ZEN Trichloroethylene C2HCI3 Trichlorofluoromethane CCI3F ELEM UJ Trichloronitromethane CCI3NO2
167. toring a aaa cas 38 Dacklight Seid oae b Cb Oud c C doc m dla d bau UE lash ay bn EA RR CR UIS Du Cb t DU ba 39 accro E mm ATP HH E 39 WOCKISECUT ENUM 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 o wealleduan veal 41 AUO SEDI o oec Ue o eol Aaa MR Re oS ER a NERA oM RM ERA Co A Ne c E PR e 42 FRU BCI and mer um THOU cups uro dip tad am dc puli a A pd d von ed Dunn qb pan rM ou va Dt Maa nnd ahead shane DUR DE 42 Autoton with dale MO AS AAA n tot Sus tu 43 Auto run with day of week DOW mode terne rtr rti treten rhet rebua be EEk EEE bep ba ees eere ta E berti a 45 Chapter 4 Calibrate Sensor casside cbe dot ee fede tr bv Fa ben AAN D bc au du 47 Placement and calibration Of Sensors mira 47 inserting and FEMOVING Senso osa toca 47 Calibrating particulas o UE 49 A EE 49 Adjusting Ia 50 Rarticulates calibration Zero Calie iaa diesen 52 Particulate Advanced Calibration Gravimetric essent 56 Gravinethic Calibration OEI AAA Ad 56 RENO agrava 57 PUMP TOW rate calbration ra oia 58 TOXIC gaS Claras 59 E A GU EOD NEG SOIN OU EOD NOUS Gon eU nd ecu nd eu nd Deci nd haha aaah cd con eben 60 HOW ET ESTER CURRERE 60 A oe 60 About sensors and calstofagB uos od tiit bte ced wd ete rte obe oio dd ibd rU dud uns 61 Calibration history and sensor serial numbers tal 61 Apong agas Senan o 62 eciam EECIUCM
168. ues as explained in Table 5 3 Press Ay Arrows or 2 Enter to page through sensors See A below A Zoomed out Magnify softkey B Zoomed in Magnify softkey 1 22 i om 950 Temp 0 112 mg m 75 RH 1099 ppm DEW PT 901 ppm mg m CT DETAIL Figure 5 10 Composite measurement screen To change the composite measurements view 1 Press the 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 velo
169. uickly create reports open your data in the data finder page and click the quick report 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 Ls icon from the session report title bar Tete zi e Ma File Configure Manage Tools Heip ee rope B gt y ei Customize the report by 5 EHBEHE inserting on site testing images Craate Reports From Particulate Testing in Sedona AZ Panel Layout View 3M Supphed Format Session Report 12 15 2011 Report example with logged data chart displayed with EVM data eoo Styles Logged Data Chart Summary Data Dezciguen Tare Avg DA ae li Panel Layout View 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
170. ulator 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 I hs Level Allow to stabilize before setting calibration point Set Softkey ha Sn ANCE 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 Ifyou 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 CS i 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 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 S twice to return to the Start screen 71 Placement and calibration of sensors Calibrating Photo lonization Detector PID Sensor Calibrating Photo lonization Detector PID Sensor Since a PID PPM
171. ults Do not 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 M 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 In the Start screen select the Setup menu and press Enter 3 Next select Particulates by pressing the Down arrow repeatedly and once selected press Enter 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 NN M Setup PARTICULATE Particulate Enabled Profile 1 Profile 1 0 040 mg m Reset Gravimetric Res
172. ur 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 En button amp Toolbar Figure 6 4 Charts and Graphs panels 2 To change the graph table data parameters click on the W 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 Vee Bee L_ 304200244 eb 104 EVM Reports and Printing EVM panel layout view PLV page EVM Reports and Printing To q
173. urchased the installed sensors and the measurement setup you may see some variations in the upcoming 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 p
174. ut 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 ae EVM and particulate settings The particulate settings may be programmed 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 3 sentcortmmanos configurations or save and send to the EVM for more details see Saving and sending cmmunmicanhens Data
175. util at utut teat 91 A 91 167 INDEX Measurements units Specifications id 131 Measuring Changmg VIBWS iaa 88 Logged dala qe taria 81 Quick help IISE ance ttt ira dos 80 Sample summary data in QSP II 81 A ADATTA 81 SUMMA Celle sect sitos 81 Time History dala unicas 82 Memory Estimated logged run time sss 100 Memory remaining and file properties 99 A tana vse voti ant nes vh dnd DR EUM ix UE 84 A T 84 Minimum BIO RTI 143 MSHA DM 143 Navigating cancion a 15 Navigating cree cirios liieod atacan adobo 83 NIOSH o EMEN ERU CUP RU FR ER oo 143 Nitric Oxide Measullrig alite sod as 99 Nitrogen Dioxide Measuring range cci eee tg iere eta ttes 99 po A E 84 Fa tbt 84 p a tase asses E ace eerie eua ce eraeie cua 84 Optical engine and Cleaning cceeeeeees 121 OSHA O a 143 1 A E 15 Oxygen E AO 59 Particualtes USPS a ERE HR RU ts 49 Particualtes correction factors sius TS 31 Particulate matter BIS CE 143 Particulate Measurement screen ssss 06 Particulate Sensor SE CIICAMON Ss xi oor eon ess Er NUR LR M RE UE 126 Parts A E 136 Past session SUmimary SCIECN ecesesesesesssesssssssssesesesesessseseseserreees 97 Past SESSION Sce ello alada 95 Peak BIO In 144 PEL Dj
176. 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 BT NOTE QSP II 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 QSP II to view different sensor measurement parameters on the logged data chart click on the edit icon and click in the specific sensors checkboxes Logged Data Chart Particulates Will display max and low peaks in logged data chart Range of particulates 08 05 13 06 06 13 08 07 13 08 08 13 08 09 13 11 26 2008 11 26 2008 11 26 2008 11 26 2008 11 26 2008 Date Time B Tempo Logged Data Dust Logged Data 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
177. wing your sessions you can load the data files into QSP II to manipulate analyze save and create reports See Chapter 6 for viewing your logged data in QSP 1I Understanding what data is stored 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 run time General Data Panel a Description MeterSensr Vale Humidity Avg Dust Average Humidity Min Dust TWA LO Average LO 2 M asimum CO Average CO Twi PID Maximum Bar Pres Minimum Temperature Average Log Hate Dust Active Profile Dust Impactar Setting Dust Profile Factor Dust Override Factor 9024 PRM 0000 PPM 0 PPM O PPM 34 PPM 101 3 kPa fhe F Bl s PROFILE None 1 1 eee LIII Ll l IIO IL Ill Il ll ll ll Figure 5 2 Sample summary data from QSP II reporting Logged data Time history 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 data Time history minute intervals as set up in the EVM monitors
178. y Example displays Monday through Friday S hours mins secs Start time is programmed at 8 am 1 S 08 00 00 D 04 00 00 2 S 13 00 00 D 05 00 00 D hours mins secs Duration is programmed for 4 hours Exe EN 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 4 47 Placement and calibration of sensors Inserting and removing sensors 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 lonization 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 for usage To und
179. y 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 range is programmed between 1 um to over 100 um For example if you are measuring coal dus
180. y softkeys Audible beep feedback 131 Appendix A Measurements units Particulates mg m Carbon ppm Dioxide Relative Yo Humidity Temperature C or F Toxic Gas ppm Option Using one of Quest s 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 QSP 1I Security Securing or locking run mode and or setup via the EVM setup screen or in QSP 1I Software User friendly compatible QuestSuite Professional I software available for advanced analysis with charts and graphs and reporting options 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 Pending Estimated logged run times Standard EVM 7 Memory and logged time
181. y be somewhat reduced at lower than 20 C 68 F temperatures Temp 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 Avoid measuring wet particles fogs and liquid mists that will tend to cling to the impactor optical engine tubing and pump surfaces Avoid oily mists as found near some machining operations This monitor is designed to measure dry particulates not filaments Do not attempt to measure Asbestos with this instrument Keep a Pump Protection Filter or other gravimetric filter in place to help prolong the life of the pump You must check amp calibrate the flow rate when using this device as a gravimetric sampling pump ii Dangers warnings amp cautions continued Dangers warnings amp cautions continued Z 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 contaminant gases Air velocity e T
182. y in order to remove the debris 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 KI 2 Inthe pop up measurement menu press the Up Down arrow to select a different type 3 Press Enter 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 switc
183. ylate 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 PHC H N N N Z J 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 Ba 667 _ 15 CA PA A 35 E NIO 5 3 Wee 0 2 pj EN p E C2H20 NEP C4H203 C2H4028 1 Hg 12 O9 CNE ME EA E 60 ie n O7 AAA D NEN eS Gis 7 OA O7 08 30 INCA Mizi olol Dlo z JJ o O O1 Po no Oo A ABO RB 0 D m n O DIa o o O A 2 aloo Y NN ao N ww NJ N PES 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 p
184. 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 it possible to do an inhalable or respirable gravimetric sample Response Solution Yes itis 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 I set the cut points for particulate measurements Response Solution Turn the turret
185. ype of dust you are measuring 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 4 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 20m
186. z JJ Ajolo 0 0 R 0 5 5 1 110 870 33 Co al al N O o o N O I NI NIJ NT DO I O O O al Q1 O J N O O N N OD O O OIo 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 I 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 fe 50 peo a 140 1393 50 us pl amo oO e W O1 OD 00 Q1 ojo O O ojo ojo A 1Z Z N oz JJ 0 T CO Z LA JJ o ho O N 0 Co O1 PO O1 O amo O 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 acr

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