CEL-360 User Manual - Campbell Associates
Contents
1. Press IN DATA Display Shows yh E Tim 12 26 zZ TUN Ich P 12 gt FT IN wn S TUN 103900 L J Comments Switch on both dosimeter and printer Switch the printer On Line With the instrument stopped display the Start Date amp Time for the most recently stored run as described in Section 6 4 CEL 320 360 Getting Started Page 9 Operation 3 Select Stored Run For Printing 4 Review Stored Data 5 Activate Printing 6 Print Hard Copy Press repeat Display Shows fM 12 gt min na mNn YO JON USIU rm 4 l RIN 1 146 TNT PEAY PRINT bUSY4C Comments Select Start Date amp Time for required run for example 4 June 09 10 00 Continuing to press will eventually offer PRINT READY followed by a PRINT ALL runs option that is enabled by a pressing _ Shows where data from the selected run is stored store 3 and on a CEL 360 indicates the number of completed profile periods When the printer is connected and switched on the second display shows PRINT READY If the printer is off the display will show PRINT OFF The display shows busy plus print messages while printing the data set from the selected run in standardised format for measurement protocol used Operation as a Sound Level Meter In SLM mode the instrument operates as a Type 2 sound level meter using settings made v2. CEL 320 360 Getting Started Page 15 Overload Indication 140 1 dB RMS i e 0 1 dB above the top of the selected range Maximum Peak Value 143 0 dB Peak Linear i e 3 0 dB above the top of the selected range Non Linear Distortion Error lt 1 dB at frequencies gt 10 Hz Stabilisation Time 1 second Operating Environment Temperature 0 5 dB 10 C to 50 C Atmospheric Pressure 65 108 kPa Humidity 0 5 dB 30 90 non condensing Magnetic Fields Negligible Vibration Negligible Battery 9 V 6LF22 or equivalent for normal use lifetime at least 40 Hours 9V Duracel MN1604 lifetime approx 24 Hours Dimensions and Weight 120 x 65 x 30 mm 260 g 4 8 x 2 6 x 1 2 inches 9 oz 9 2 CE Compliance All models in the CEL 320 360 Series comply with the EMC Directive 89 336 EEC of the European Union They have been tested according to the standard delivery schedule and comply with the following standards EN 50081 1 1992 EN 50081 2 1993 Generic emission standards for residential commercial light industry and industrial environments EN 50082 1 1992 EN 50082 2 1995 Generic immunity standards for both RF fields and electrostatic discharge for residential commercial light industry and industrial environments 9 3 Default Parameter Settings Setup OSHA MSHA DOD ACGIH 1S085 1S090 METER SLM Measurement 70 140 70 140 70 140 70 140 70 140 70 140 50 120 70 140 range dB Frequency A A A A A A A
3. CEL 320 320S Noise 8 1 Review Options 11 Dosimeters 3 82 SetTime amp Date 12 4 3 CEL 360 360S Logging 8 3 Change Timer and Run Noise Dosimeters 4 Duration CEL 360 Series 12 5 Preparation for Use 5 9 Technical Information 14 5 1 Install Battery and 9 1 Specification 14 Microphone 5 9 2 CECompliance 16 5 2 Perform Acoustic Calibration 5 9 3 Default Parameter Settings 16 6 Operation as a Dosimeter 6 9 4 Parameter 17 6 1 Select Dose Set Up for Use 6 10 Parts Servicing amp Warranty 18 6 2 Measure and Store 10 1 Schedule of Parts 18 Dose Data 7 10 2 Servicing amp 6 3 Recall Dose Data 8 Warranty Arrangements 18 4 Introduction to the Dosimeters The CEL 320 and CEL 360 Noise Dosimeters have been developed from the successful CEL 420 460 range of instruments by adding features and improving the control procedures They measure the frequency weighted noise exposures and peak sound levels simultaneously The dosimeter microphone and lead on both models can be replaced by a sound level meter microphone to offer comprehensive sound level measurement The CEL 320 360 series instruments have the following features a Seven built in standard dose measurement setups OSHA MSHA DOD ACGIH ISO85 ISO90 and METER a Up to 13 user specified dose measurement setups a A single sound level meter SLM setup a 50 dose DATA result stores a Storage of up
4. and Firmware Version Number s Customer name and address Contact name and phone number Details of any PC and Software involved including Version Number s Reason for returning the equipment with a detailed description of the fault List of any error messages that may have been displayed The necessary adjustments or repairs will be carried out and the instrument returned as soon as possible A comprehensive Instrument Calibration Maintenance Agreement ICMA scheme is available to extend the initial warranty period of this instrument At the end of the first warranty period it is recommended that the equipment be returned to the Service and Verification Department at Bedford where it will be inspected and entered into the ICMA scheme as required The warranty will then be extended for the period stated on the individual schedule Please contact your local CASELLA CEL agent for full details of this service After the warranty has expired except on approved accounts service work is undertaken against quotations and all packing and transit costs are charged extra CEL 320 360 Getting Started Page 19 Page 20 CEL 320 860 Getting Started
5. frequency emissions are within the specified limits of this standard All modes of operation and connecting device configurations have similar immunity to power and radio frequency fields Sound Level Meter Integrating Sound Level Meter Standards ANSI 1 4 1983 Type S 1 for sound level meters IEC 60651 1979 Type 21 for impulse sound level meters IEC 60804 2000 Type 2 for integrating sound level meters ANSI 1 43 1997 for integrating sound level meters The sound level at which the sound level meter conforms to specifications of clause 12 of IEC 60651 is 74 dB The instrument has no additional connector points during normal mode of operation The configuration for the normal mode of operation is specified with the microphone connected via the standard preamplifier Frequency weighting A weighted Sound Pressure level Time Constant Fast Measurement Range 70 140 dB Page 14 CEL 320360 Getting Started There is no degradation in performance or loss of functionality following the application of electrostatic discharges The approved configuration for reference orientation as viewed by the operator is with the instrument in a horizontal position facing the noise source where the receiver of the electromagnetic field replaces the noise source All settings and orientations of the instrument have similar radio frequency emissions These radio frequency emissions are within the specified limits of this standard All
6. is thoroughly inspected and it s accuracy verified prior to dispatch All technical information is filed under the instrument serial number which should therefore be quoted in any correspondence The manufacturers undertake to rectify any defect in the instrument that is directly attributable to faulty design or assembly and which becomes apparent during the warranty period In order to take advantage of this warranty the instrument must be returned carriage paid to the manufacturer s factory or accredited agent where necessary repairs will be carried out Page 18 CEL 320360 Getting Started The warranty period runs for 12 months from the date of receipt of goods with exceptions on certain specialised components supplied by other manufacturers which may be warranted for shorter or longer periods by their actual manufacturers In all such cases the benefit of these undertakings will be passed on to the user CASELLA CEL s liability is limited to items of their own manufacture and they do not accept liability for any loss resulting from the operation or interpretation of the results from this equipment To obtain repair under warranty the instrument should be packed and returned in it s original packing or an equivalent either to CASELLA CEL s local agent or in the case of U K domestic sales to the CASELLA CEL Service Department at Bedford Please include the following information Instrument Type s Serial Number s
7. protocols can be changed by using the instrument keys 3 4 5 amp 6 In dose measure X All available parameter settings can be changed ment mode they display from a PC by means of dB10 or dB12 Software dose dose projected for Parameter settings that modify preset measure an 8 hour period peak level ment protocols must first be saved by dB10 or dB12 under a new setup identity in an instrument configuration file For countries that are A configuration file contains a complete z i instrument set of setups i e seven fixed dose subject to European Union setups up to 13 user defined setups one SLM regulations or the equivelent setup and one timer setup common to all dose and measurement duration ISO standards these setups Parameter settings on an instrument can be instruments measure the changed ONLY by using dB10 or dB12 to replace daily sound exposure level the configuration file in the instrument by another Laeq 8hr Pa h according to configuration file loaded from the PC IEC 1252 which is identical with the LEx gh required by ISO 1999 while for USA OSHA MSHA regulations they measure the Time Weighted Average level TWA When used as a sound level meter they display sound level maximum sound level minimum sound level peak time averaged LAeq or LAvg sound levels and sound exposure level SEL 4 3 CEL 360 360S Logging Noise Dosimeters In addition to the features avail
8. to 10 profiles attached to each CEL 360 dose measurement as specified by dB10 or dB12 software a Self configured storage The instruments are built to withstand rough industrial conditions with cases formed from a polyester polycarbonate material that gives them a Note ISO procedures using Criterion 85 dB and 90 dB Page 2 CEL 320 360 Getting Started high resistance to damage Data integrity is further protected by a dose microphone lead which is designed to resist knocks and abrasions without affecting the signal passing from microphone to instrument Both instruments can be operated and deliver dose and SLM results without the need for other equipment beyond an acoustic calibrator However they become even more versatile when their measurement and setup data is transferred via a PC using the CEL 6702 dB10 or CEL 6704 dB12 Windows based software These programs enable the instruments to be fully configured Dose DATA setups can be added or removed from the instrument while the individual measurement parameters can be added deleted or changed in a setup Some setup parameters such as measurement range can either be set to a particular value or left to the user to change via the instrument keypad dB10 and dB12 have the facilities expected of fully featured 32 bit Windows packages enabling report production with cut and paste between applications and comprehensive word processing capabilities In addition dB12 has exten
9. which this personal sound exposure meter conforms to clause 15 of this standard is 85 dB The personal sound exposure meter was tested in Dose mode using 85 dB due to the duration of testing The instrument has no additional connector points during normal mode of operation N B When downloading data using cable no C6671 the meter conforms to the requirements for EMC emissions and immunity as specified in IEC 61000 61 1997 61000 6 2 1999 61000 6 3 1996 and 61000 6 4 1997 The configuration for the normal mode of operation is measurement set up ISO 85 or ISO 90 There is no degradation in performance or loss of functionality following the application of electrostatic discharges The approved configuration for the reference orientation is with the instrument secured to a nonmetallic backing material with the microphone cable secured in a horizontal figure of eight configuration starting approximately 10 cm above the instrument The figure of eight is constructed of four even folds of the microphone cable 14 cm across The figure of eight is then secured at each end and in the centre The microphone housing is then secured approximately 10 cm above the centre of the figure of eight configuration The front of the instrument is facing the principal direction of an emitter or receiver of radio frequency electromagnetic fields All settings and orientations of the instrument have similar radio frequency emissions These radio
10. 8 hours this will be shown a EP d TWAv Time Weighted Average is the normalised time averaged sound pressure level with the selected frequency and time weighting that represents Note This parameter can be enabled only via the dB10 or dB12 PC software CEL 320 360 Getting Started Page 17 the total Avg of a person s workplace noise exposure averaged over a user selected variable period of hours and minutes This unit is specified in the USA OSHA standard 1910 95 published in 1983 When the period is set to 8 hours the unit will be shown as TWA N Percentile sound level AE Sound exposure level 10 Parts Servicing amp Warranty 10 1 Schedule of Parts A complete Noise Dosimeter or Sound Level Meter consists of CEL 320 360 Noise Dosimeter as applicable Either CEL 6681 Type 2 Electret Microphone Assembly for use as a dosimeter complete with clip and 0 8 m captive cable Or CEL 425 Sound Level Meter Adaptor with Type 2 14 Electret Microphone Assembly for use as a sound level meter CEL 6702 dB10 Control and Download software supplied with CEL 320 CEL 6704 dB12 Control Download and Graphing software supplied with CEL 360 C6671 Communication cable to PC 016014 Alkaline Manganese Battery IEC 9LF22 060333 Users Guide A5 multilingual instructions 060335 Field Guide pocket guide 10 2 Servicing amp Warranty Arrangements To ensure its conformity with the specification this instrument
11. A weighting Time weighting S S S S F F F S Amplitude 5 5 4 3 3 3 3 3 weighting Peak frequency L L L L C C Cc L weighting Threshold 1 80 80 80 80 70 70 0 x dB Page 16 CEL 320 860 Getting Started Setup OSHA MSHA DOD ACGIH IS085 1S090 METER SLM Threshold 2 90 90 x x x x x x dB Criterion dB 90 90 85 85 85 90 0 x LN A L10 L10 L10 L10 L10 L10 L10 x LN B L50 L50 L50 L50 L50 L50 L50 x LN C L90 L90 L90 L90 L90 L90 L90 x LN D L95 L95 L95 L95 L95 L95 L95 x LN E L99 L99 L99 L99 L99 L99 L99 x Profile interval 1 min 1 min 1 min 1 min 1 min 1 min 1 min x Profile 1 Lavg Lavg Lavg Lmn Leq Leq Leq x Profile 2 Leq Leq Leq Leq Lmx Lmx Lmx x Profile 3 Lmx Lmx Lmx Lmx Lmn Lmn Lmn x Profile 4 Lpk Lpk Lpk Lpk Lpk Lpk Lpk x Synchronise Run start in Yes Yes Yes Yes Yes Yes Yes No CEL 360 model Allow user to No No No No No No Yes Yes change set up Reference 29CFR 30CFR 62 0 DoD DHHS Pub Noise at Noise at CEL CEL document 1910 95 UMHRPEL Instruction 98 126 Work Work suggestion suggestion 6055 12 Regulations Regulations 1989 1989 9 4 Parameter Identities The following time weightings and other identities may be shown A A weighting C C weighting le Linear S Slow F Fast I Impulse Q Energy conversion factor PK Peak MX Maximum MN Minimum EQ Equivalent continuous level AV Average level EP v Noise dose normalised to a user selected variable period of hours and minutes When the period is set to
12. CEL 320 360 SERIES USERS GUIDE US If you want to get on and use the instruments without any background information skip Sections 3 5 and go straight to Section 6 Issue 2 1 Display Battery Condition Data is Being Recorded Under range has Measurement is Paused Occurred Zn Frequency Weighting Overload has Occurred REC l C N4 F gt dB Ne Measurement N A n Identity or Date rh Int g U Current Units k 1 Jr IOC TU Current Mode Current Data SLM DATA Bat Gee Pressing the MENU or Time key will select each 01037e of these in turn 2 Keys Display Switches instrument ON OFF Changes operating mode f Accesses stored data Vae n for ul a LY LA V oes p Select active options from the current menu Rn Starts Pauses Restarts a measurement BR record Confirms actions of other keys Stops a measurement when followed 3 3 3 ER 3 z 3 m ome i 3 3 3 2 4 3 3 J 2 Fri 3 gt 7 3 3 H 3 4 a CEL 320 360 Getting Started Page 1 3 Contents Section Page Section Page 1 Display 1 6 4 Review Stored Data 8 2 a KEYS se ele b A de E 1 6 5 Print Standard Report 9 3 Contents vu wea 2 7 Operation as a Sound Level 4 Introduction to the Meter A ara u Re 2 10 Dosimeters 2 8 Selecting and Changing 4 1 Sound Level Meter Models 3 Options 11 4 2
13. TM l l i I E I Jg 53 Comments Follow on from Step 3 in Section 8 1 Cursors are enabled and the hours entry blinks to show it can be edited Use and to highlight an entry Use and to change the entry The new time setting is stored Repeat this process in the Date Option to set the date PLEASE NOTE that the date format is dd mm yy 8 3 Operation Press Display Shows 1 Select Timer is 4 gt Option en as vTrMco N IE LAIEN OFF a 2 Switch Timer GD B KR ITM are Un 3 Review Timer ia KED 7 settings he n LVN Vv NL J FF 4 Review iia KED u Duration I ARS setting DWR OFF Page 12 CEL 320 360 Getting Started Change Timer amp Run Duration CEL 360 series Comments N Follow on from Section 8 1 Displays that are found only on CEL 360 series instruments are shown with a dashed outline The Timer is now ON so that any start and stop times loaded via dB10 or dB12 will be used UNLESS Synchronisation SYNC or Duration DUR settings are enabled as in steps 3 and 4 SYNC allows synchronisation to the next profile boundary i e to whatever interval has been set by the PC software Press to enable or disable The profile interval will also be shown DUR allows the user to select a run Duration time When a run duration period is shown here or SYNC is ON these take precedence ove
14. able to the CEL 320 Dosimeters the following additional features apply to the CEL 360 and CEL 360S These instruments are recommended for detailed measurements as they include extended processing and memory functions There are automatic run timing facilities controlled by the built in clock and time history recording capabilities that allow up to 10 profiles to be saved with each dose DATA result set in a Separate profile store Sampling times can be specified between 1 s and 1 hour by dB10 and dB12 software while profile storage is in excess of 220 000 data points where any single run can use up to 99 999 points The instruments are able to measure and save up to five user specified Ln values exceedance level percentiles Run durations specified via instrument keys by dB10 or dB12 and start and stop times preset via dB10 or dB12 can be switched on or off from the instrument keys Other settings can be changed only by dB10 and dB12 Software Once data saved by a CEL 360 instrument has been downloaded to a PC the user can specify a period over which to re calculate the projected dose values The software can also calculate six exceedance time percentiles with levels preset to values specified by measurement standards plus one user specified time percentile Page 4 CEL 320 360 Getting Started 5 Preparation for Use 5 1 Install Battery amp Microphone Connect a new 6LF22 or equivalent 9 V N b
15. at repeat Display Shows T Naiman TUN 0910 00 N INS 146 C Eg J gt A PRINT I ERdY C pata Pressing as for the CEL 420 460 series will also cycle the display Print Standard Report Comments Select Start Date amp Time for required run for example 4 June 09 10 00 Shows where data from the selected run is stored store 3 and on a CEL 360 indicates the number of completed profile periods The display cycles through data from the selected run see Section 9 4 Some of these displays offer and options that show further parameters If a printer is connected and switched on the second data display shows PRINT READY see Section 6 5 With the dosimeter switched OFF use both the C6671 Cable supplied with all CEL 320 360 series instruments and a CEL 6672 Cable to connect the instrument to a Centronics printer as shown This allows the dosimeter to recognise the printer cable during its Start Up sequence Only stored data can be printed as 6672 Active un 01040e Printer Cable u entronics Printer C6671 Communications Cable i ss 2 CEL 320 oo CEL 360 3 Series Je CG N the microphone and printer cannot be connected to the dosimeter at the same time because they both use the same Red Dot connector Operation 1 Switch instrument 2 Enable Data Recall
16. attery to the terminals in the battery Pa zZ compartment in the rear of the instrument K DO NOT disconnect the battery NY _ Once runs have been stored as they ae d f J will be lost a j D With the instrument switched ge OFF insert the lead connector of the 960079 QP CEL 6681 Dosimeter Microphone or the connector on the CEL 425 CEL 425 SLM Adaptor SLM Adaptor stalk into the socket Knurled on the top end of the Sleeve case with the red dot N facing the front of the Red Dot dosimeter Remove the connector ONLY by pulling on the knurled sleeve CEL 668 Dosimeter Microphone 01042e 5 2 Perform Acoustic Calibration Operations are controlled by a sequence of key strokes Perform a field accuracy check NT 4 each time the instrument is switched ON using a CEL 282 Class 2 or CEL 284 2 Class 1 Calibrator as follows It is also recommended that another acoustic calibration be performed immediately after completing a measurement run The calibration levels from both before and after are stored with the run When the second calibration occurs much later provided the same Microphone microphone assembly is used the Pi Coupler second level is attached to any stored 1 14 run that has no second calibration Microphone 980057 CEL 320 360 Getting Started Page 5 Fit the CEL 4725 Coupler supplied with the calibrator CEL 282 or CEL 284 2 into the calibrator cavity making sure it is fi
17. ess Adjust to correct level for CEL 320 360 microphones at standard temperature and pressure 113 6 dB The 113 6 dB calibration level is now set and will be stored in the microphone assembly The calibration level is NOT SAVED and the instrument continues to use the last saved calibration Operation as a Dosimeter Select Dose Setup for Use Comments To select SET UP The first display always shows the currently loaded Setup for example OSHA dose measurement Operation Press Display Shows 2 Select Ad gt gt another several TT Set Up times JULIU 3 Load Selected N Ade Set Up for use Jo roma A AL u CU AdE d 6 2 Measure and Store Dose Data Operation Press Display Shows 1 Change Fuer Operating Noe e na ALIA Mode re a Jun ioe 408 peatedly C 2 Start Run P gt B Il N CL Saree i ITT WIL Je 3 Then S amp S REC Zo mmi 10 30 I LIN 10 3 9 24 4 Inspect data pata REC from Current N ru int uy Run LIN F J Comments Select required Set Up from OSHA dose procedures SHA dose procedures DOD dose procedures ACGIH dose procedures SO85 dose procedures SO90 dose procedures ETER procedure SLM see Section 7 ETER is a special procedure with neither threshold nor criterion that allows the instrument to store data as a ogging sou
18. ia the keypad however this mode cannot store data For storage of sound level data load the Meter setting from the setup list Section 6 1 then operate as a dose meter Section 6 2 Connect the CEL 425 SLM Adaptor as described in Section 5 1 perform an acoustic calibration as described in Section 5 2 then proceed as follows 1 Operation Start from the final Start Up Display If required change Mode Review SLM Press BEER MENU Re peatedly several Measurements times Display Shows G JUN te 4G B A4 dB 846 dB ye mer ER 105 7 Page 10 CEL 320 860 Getting Started Comments The last used measurement mode will be selected This is operation as a SLM with the current A weighted Fast level Lar displayed SLM mode can be selected only while a microphone is fitted The display steps through all details and parameters see Section 9 4 starting here with Linear Peak Lip measurement Operation 4 5 8 The Comments When amp icons are shown on the display the relevant menu keys may be used to change the current measurement settings This completes the cycle back to first SLM display Press Display Shows Final Measurement Switch OFF dan Blank Screen No operations are possible Selecting amp Changing Options OPTION mode accesses the part of the operati
19. modes of operation and connecting device configurations have similar immunity to power and radio frequency fields Pulse Range gt 53 dB Measurement Ranges Display Range dB Primary RMS range Peak at 1 kHz 30 100 41 86 63 103 50 120 55 106 83 123 70 140 75 125 103 143 Defined from 10 dB above noise floor to a crest factor limit of 5 Weightings Frequency A C and linear 20Hz 20kHz Time Fast Slow Impulse Peak Amplitude 3 4 5 6 dB exchange rates Clock Date and time can be set from the keypad Date and time can be setto PC time via dB10 and dB12 Dose Measurement Timer CEL 360 Series only Use with pre programmed delayed start and stop times or with fixed measurement durations can be selected from the keypad Start and Stop times must be programmed via dB10 and dB12 Dose Measurement Start Stop Delay Timer CEL 360 Series only Delay intervals can be set only via dB10 and dB12 Settings can be specified for up to 16 sets of start and stop times up to 30 days ahead The clock indicates the time remaining before the next run starts Dose Measurement Elapsed Time Timer CEL 360 Series only Measurement elapsed times run durations can be selected from the keypad The following options are available Disabled 5 10 15 30 minutes 1 2 4 8 10 12 24 hours Under Range Indication 69 0 dB RMS i e 1 dB below the bottom of the selected range
20. nd level meter Loaded messages show the Setup is now active for example ISO procedure with 90 dB Criterion Comments This is dose measurement where the display can show dose data When the run TIMER of a CEL 360 is ON Section 8 3 with Beginning and End times set the instrument waits showing the pause icon and the time remaining until the run starts When the run TIMER of a CEL 360 is ON Section 8 3 with SYNC ON the instrument waits until the clock is synchro nised with any selected profile time before the run starts When the run Timer of a CEL 360 is OFF section 8 3 or with a CEL 320 the instru ment waits until the next whole clock second then starts the run REC icon indicates that the instrument is now storing dose data in the first available data store Shows where data from the current run is being saved store 4 and on a CEL 360 indicates the number of completed profile periods CEL 320 360 Getting Started Page 7 Operation Press Display Shows Comments 5 Inspect Data from Current Run The display cycles through further data ER data from current run see DATA from Current sane Pressing __ as for the Section 9 4 Run CEL 420 460 series will also cycle the display Some of these displays offer and options that show further parameters The displays will be updated while the run is in progress 6 If Required gt Pau
21. ng firmware that allows the following items to be checked or adjusted Acoustic calibration see Section 5 2 Adjustment of the calendar clock and time Battery voltage Communication status when the instrument is connected to a PC for use with dB10 or dB12 Soundtrack Software Activating the Run Timer commands set by dB10 and dB12 only on a CEL 360 series Microphone temperature C 8 1 Review Options Operation Press Display Shows Comments 1 Start from the E N Final Start Up we nn i IU l Display Hy JUNI Up KY J N J 2 Change Mode MENU 4 gt Optional operations showing LI ra Li SPL for acoustic calibration several riL 123 see Section 5 2 times 3 Next Option gt The display cycles through the 7 BR rest of the options a ay f Mr 14 2 1S J Current Time as ee Current Date Battery condition Communication status Timer status CEL 360 series Microphone Temperature Erase use this option with caution IT DELETES ALL STORED DATA CEL 320 360 Getting Started Page 11 8 2 Set Time amp Date Operation Press Display Shows 1 Select Time dq gt Option SS tat a es TTM u a AA DOS 14 2 153 2 Enable Time D gt Change ein ees ark 1 iu l TIME iHe 153 3 oP the 57 E 12 gt T TMI 13 2 4 i E IJe 153 4 Save the ei gt Changes sea S a T
22. r the Timer settings so that any preset start and stop times WILL NOT BE used 5 6 7 Operation Review Repeat setting Review Start End Times Review Start End Times Review further Start EndTimes Press Repeat Display Shows E45 Start End times Comments Press __ to enable use and to select the following durations Off 5 10 15 30 minutes 1 2 4 8 10 12 24 hours q J then confirm with Rept allows the user to select up to 49 repeats of the timer settings Press to enable use and to select the number of repeats then confirm with _ This is the First Beginning start time set by dB10 or dB12 dd hh mm The day setting is the day of the month When day is indicated measurement will start on the current day Press en in either the Beg or End screen to enable disable each timer pair When a pair is disabled its settings will be shown as This is the First End stop time set by dB10 or dB12 dd hh mm The display steps through 16 sets of Start End times CEL 320 360 Getting Started Page 13 9 Technical Information 9 1 Specification Dosimeter Sound Exposure Meter Standards IEC 61252 BS EN 61252 ANSI S1 25 1992 for dosimeters and sound exposure meters Electromagnetic and electrostatic compatibility The sound level at
23. rmly in contact with the shoulder in the cavity To aid removal the coupler flange does not fit close against the calibrator housing Fit the microphone into the coupler cavity again ensuring that it makes contact with the shoulder in the coupler cavity Then follow these Operation 1 Switch the instrument 2 Change Operating Mode 3 Enable Level Change 4 Change Indicated Level 5 Set Calibration Level 6 Ifthe calibration is to be aborted 6 6 1 Operation 1 Change Operating Mode instructions Press Display Shows ced as Fg ix T LIN N ie q U 8 Menu gt rI tou e ECRL 1803 peatedly v rin l LIU l le J E oN or v aar tot LW ra 35 a N lt gt SS mo toh CHL 1136 rs lt 1 gt lt rry I LW tt 35 Press Display Shows MENU MIELE re 1 Ld LAI peatedly Ady LOAdEd Page 6 CEL 320 360 Getting Started Comments Start Up messages show Instrument Type Serial Number when set Print when printer cable connected Firmware Version finishing with the Last Used Operating Mode To select OPTION to enable Acoustic Calibration it shows current SPL and are now enabled The display shows current sound level Press or indicated level rises falls 0 05 dB for each key pr
24. se the run The pause icon I is shown NIL Press this key again to resume the run 7 If Required To lock the keys and display The keys and display cannot PLUS to prevent unauthorised be locked while the instrument tampering is paused 8 If Required To unlock the keys and PLUS display to restore normal operation 9 Stop Run a u N Stop This command must be Nu eee oe confirmed Dn er AIL 10 Confirm Stop 4 N The Run is now ended u I a IN Ib 835 All stored runs will be lost if the battery is disconnected 6 3 Recall Dose Data Measured data stored while operating in the DATA mode can be accessed via the on key Data from the run in progress can be inspected while the instrument is recording as described in Steps 4 and 5 of Section 6 2 When the instrument is stopped with no data being saved stored data can be retrieved and displayed 6 4 Review Stored Data Stored data is identified by date and measurement start time Up to 50 runs can be stored simultaneously before the memory is overwritten by a first in first out process Operation Press Display Shows Comments 1 Bebe Data Data 44 gt With the instrument stopped eca lIe yr DATA L j HIN 10 3 ann pressing _ displays the Start Date amp Time for the most recently stored run Page 8 CEL 320 360 Getting Started Operation 2 Review Stored Runs 3 Review Stored Data 4 Review Stored data 6 5 Press repe
25. sive on screen graphing facilities 4 1 Sound Level Meter Models Both dosimeters can be converted to a miniature sound level meter by fitting a CEL 425 SLM Microphone Adaptor The CEL 320 becomes a Table 1 Models Available CEL 320S Sound Level Meter while the CEL 360 becomes a Rtandard Description CEL 360S Logging Sound Level cE1 320 Noise Dosimeter Meter CEL 320S Sound Level Meter The full model line up is CEL 360 Logging Noise Dosimeter shown in Table 1 CEL 360S Logging Sound Level Meter For sound level meter operation refer to Section 8 4 2 CEL 320 320S Noise Dosimeters The following features apply to the CEL 320 and CEL 320S These instruments are ideal for quick on site surveys and for monitoring personal noise exposure in accordance with European ISO or USA OSHA MSHA DOD and ACGIH standards For dose measurement they are passive instruments with settings that may be reviewed by key strokes but which can be selected only by means of the dB10 or dB12 software However all sound level measurement parameters can be set from the keypad There are three overlapping measurement ranges 30 100 50 120 amp 70 140 dB A amp C RMS weightings Linear amp C Peak CEL 320 360 Getting Started Page 3 weightings Fast Slow amp Table 2 Setups and Configuration Files Impulse time weightings and Parameter settings that do not modify preset energy exchange rates Q of measurement
Download Pdf Manuals
Related Search