Model SL355
Contents
1. 2 Inthe SETUP mode or using the supplied software set the Criterion Level Exchange Rate Threshold Frequency Weighting Response time Range and Peak parameters Note that if a configuration has already been stored it can be recalled in the SETUP mode Reference Section 11 3 for SETUP Mode details 3 In the OPTION mode or using supplied software set the Date Time Test Duration Test Begin BEG time Test End time Sample rate logging period Repeat Pair and Timer functions Reference Section 11 5 for OPTION Mode details 4 For the entirety of the test the microphone should be clipped to the test person s lapel and the meter should be clipped to the test person s belt 5 Torun the dosimeter datalogger the meter must be in the DATA Mode of operation Press the Menu button to select the DATA Mode if not already selected TIMER Notes e The Timer setting is critical for determining whether the test begins immediately Timer OFF or at a programmed time Timer ON e With the TIMER set to OFF recording can begin immediately by pressing the RUN PAUSE button When the meter is recording the REC icon will appear solid and the DATA icon will flash With the TIMER set to ON and with the Beginning and End times programmed after RUN PAUSE is pressed recording will NOT start until the programmed Begin BEG time is reached The REC icon will be flashing indicating that the meter is in standby waiting for the Begin t2. Display Description Display Description HH MM SS HH MM SS Use to scroll Current Time Use to scroll items Current Time items below below DD MM YY Current Date BEG Datalogger Begin Time SPL wed Pressure rUNt roa memory location DUR Test Duration USr selected setup View DOSE and TWA using A and Wbuttons ee nein Measurement Ranges 70 to 140db Er Exchange rate Q in db tHr Threshold in db Crit Criterion level in db LP Logging Period mm ss from 1 sec to 1 hour data t Scroll the RUN parameter list using the W A buttons to locate the EPty XX parameter which indicates the number of empty memory locations or runs remaining 00 to 20 if recording is attempted with all memory locations full the meter will display EPty00 indicating that there are no zero empty storage locations remaining data must then be cleared from the meter before continuing use the OPTION menu to clear 10 SL355 EU EN V1 4 8 6 SCREEN SHOTS for Dose Meter Operation 8 6 1 Select a Dose Meter Setup from Memory Change the Mode of MENU Select SET UP to choose a stored Operation repeatedly setup configuration to SETUP The first display always shows the d E currently loaded setup for example Lg cr USr as in the screen shot at left If lt 4 gt mm no user setups are stored the up down arrow buttons will not appear on the LCD 8 6 2 Measure and Store Dose Data 1 Change
3. gt m Press Return RUN PAUSE gt GH Press Return RUN PAUSE lt gt GH Press Return RUN PAUSE SL355 EU EN V1 4 4 Editing example Changing Criterion The current Criterion Level for example Level will be flashing OR The stored Criterion The new selected Level Criterion Level will be flachina 20 SL355 EU EN V1 4 11 4 OPTION MODE The OPTION menu below lists the parameters that can be viewed and or configured Instructions for navigation and use are provided in the menu table and screen shots below 1 Switch the meter ON using the power menu button t t Eh a 2 Use the MENU button to access the OPTION mode gggfe y will be oe i ny a shown when the meter is in the OPTION mode and the current time t 4 gt mmj of day will be displayed hh mm ss 3 Press lt or gt to scroll the parameters in the OPTION mode Refer to the Option Menu table and Screen Shots below for further details OPTION 11 5 OPTION Mode Menu Table Display E Use gt to scroll Description items below HH MM SS Current Time DD MM YY Current Date bAt Battery voltage level new alkaline batteries 4 6V TIMER Press RUN PAUSE to toggle the Timer ON OFF tlmr Press to skip to the CLrxx parameter Clear memory discussed at the bottom of this menu table With the TIMER set to ON only use to scroll through the test setup items below Logging Period mm ss Select a d
4. MENU The first spreen shows the time Operating repeatedly Time format is hh mm ss i aA When the run TIMER is ON with Beginning and End times set the meter waits showing the REC icon flashing and the time remaining before the run is set to begin When the run TIMER is ON the meter waits until the next whole clock minute then starts the run When the run TIMER is OFF the meter waits until the next whole clock second then starts the run REC icon indicates that the meter is now storing dose data in the first available data storage location 11 SL355 EU EN V1 4 Operation Press Display Shows 4 Inspect the setup for Scroll the current RUN Q00545 lt gt Ga RUN Duration gt hh mm ce Criterion Level Selected user setup for gt example ISO with 90db gt Critarian aval gt gt Exchange Rate adh 12 SL355 EU EN V1 4 5 Inspect data from the times current RUN x 5r v 002357 oom oo User Setup for example Percent Dose Dose Sound Exposure Pa h ISO with 90db Criterion aval v Some displays offer the use of the A and W keys to show other parameters The display updates while the RUN is in progress The pause icon ff is shown Press this key again to resume EC o the RUN DATA To lock the keys to prevent unauthorized tampering The DATA icon will be flashing The keys and display cannot be locked while the mete
5. Type 2 for integration sound level meters ANSI 1 4 1983 Type 2 for sound level meters ANSI 1 43 1997 for integrating sound level meters Microphone 1 2 inch electret condenser microphone with 31 inch integral cable Display Liquid Crystal Display Measurement Ranges Linearity and Indicator ranges at 4 KHz IEC 60804 60 130 60 130dB A and C 70 140 70 140dB A and C Peak Ranges C Frequency Weighted Peak or Linear Z Peak over the top 40dB of each range 60 130db 93 133dB Peak 70 140db 103 143dB Peak Frequency Weighting RMS Detector A or C Peak Detector C or Z flat or linear Response Time Weighting Fast and Slow RMS detector Exchange Rate Q 3 4 5 or 6 db Stabilization Time 10 seconds after the meter is switched on Threshold and Criterion Levels Threshold Level 70 90dB in 1dB steps Criterion Level 80 84 85 or 90dB Overload Indication F 0 1dB above the selected measurement range Under Range Indication t 1dB below the selected range High Level Detector 115dB Keypad Lock A and P simultaneously to lock lt and W simultaneously to unlock Clock Real time clock with calendar Memory 20 noise surveys can be stored Measurement Control Measurement Duration may be set to 5 10 15 or 30 minutes or 1 2 4 8 10 12 or 24 hours Timers Up to 5 timers automatic start and stop can be set maximum up to one month a
6. button until the unit switches off Dose and TWA calculations are viewable using the PC interface or by navigating the DATA mode refer to the DATA Menu table and Screen Shots below Individually logged readings are retrievable via the PC interface only Follow the directions in the Software User Guide supplied on the enclosed CD ROM Testing notes e Do not shout into the microphone or strike the microphone as this will affect the test e To obtain reliable data the user s activities must reflect a typical workday 8 3 Reviewing Noise Survey Setups and Measurement Results 1 Note that the PC interface can be used to review setups and measurement results Refer to the Software User Guide on the supplied CD ROM for instructions To work manually follow the steps below 2 Switch the meter ON the meter will be in the SLM mode Press MENU to access the DATA mode 3 Use to scroll to the RUN display Now use A to select the desired RUN memory location 4 When the desired RUN is selected use lt gt to scroll the setup data and noise survey results as shown in the DATA Menu table and Screen Shots below 8 4 Reviewing Stored Datalogger Data The stored datalogger readings can only be viewed by downloading the data to a PC using the supplied cable and PC software program Refer to the Software User Guide on the supplied CD ROM for detailed instructions 9 SL355 EU EN V1 4 8 5 DATA Mode Menu Table
7. reece eeeteeaeeeeeaaeeeeeeeaaees 25 12 Clear the Meters Memory 0 cceceeeceeceee eee eee eeeeeaeen eee eea tessa eeeeeeeeeeeee 27 13 Specifications s 24 coc Ae ced dete a unur a bande ee tne a hed denas nn woegl een lees aE awe 28 14 M intenance acsearle Hace ew ea ee Lg a 31 15 Software Installation and Operation ceceeeeeeeeeeeeeeeeeeneeseeeeneeeeeeeeees 31 16 Glossary Ot Terms psa e GS ene Mae tee OE ee en 32 2 SL355 EU EN V1 4 2 Introduction Congratulations on the purchase of the Model SL355 The SL355 is a combination Noise Dosimeter Datalogger and Sound Level Meter SLM The SL355 can be configured manually via push button navigation of the menu system or through the PC interface using the supplied software recommended for ease of use Refer to the dedicated software User Guide on the supplied CD ROM for detailed instructions on using the software program for downloading data configuring the SL355 meter and remotely controlling the meter The SL355 Noise Dosimeter is designed to test noise exposure and provide noise surveys for compliance with OSHA MSHA DOD ACGIH and ISO standards The SL355 monitors accumulated noise exposure and measures frequency weighted noise exposure and peak sound level simultaneously for dose and TWA time weighted average or sound exposure in Pa h Up to twenty 20 noise surveys can be recorded and up to five 5 automated dose tests can be program
8. to accompanying screen shot illustration 6 Adjust the meter s potentiometer recessed at top of meter using the supplied adjustment tool until the display reads 114db matching the 114db output level of the calibrator 7 Press the RUN PAUSE RETURN button to save the calibration 7 SL355 EU EN V1 4 8 Dose Testing and Datalogging 8 1 Overview The dosimeter noise survey and datalogging functions operate at the same time For example while the dose and TWA time weighted average values are being calculated and displayed for the dose meter s noise survey individual SPL readings are being stored by the datalogger Noise surveys and logged data are stored in RUNS which are memory locations 1 to 20 Note that the meter can collect up to 14 400 readings total spread out over the 20 RUN memory locations The RUN parameter is located in the DATA menu The DATA Mode Menu table and a Screen Shot section are provided directly after the instructional text below 8 2 Running the Dose Meter Noise Survey and Datalogger 1 Use the supplied software program recommended to configure the meter s noise survey and datalogging parameters a software User Guide is provided on the supplied CD ROM or manually configure the meter following the instructions provided in the SETUP and OPTION mode sections of this guide For compliance the noise survey parameters must match the requirements of the regulation standard in question
9. USER GUIDE EXT INSTRUMENTS A FLIR COMPANY Model SL355 Noise Dosimeter Datalogger and Sound Level Meter With PC Interface EXTECH A Noise Dosimeter Datalogger SL355 Copyright 2012 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 1 Table of Contents Tz Table of Contents neat a a e naaa danced EEE AAO EAEE 2 2s a Nrod ton hena i e ae a a ae eee 3 T PR a E I CUL E AEE pcs ue E E E E age ttons 4 4 Meter DeScription cenia me aeaee ais oa eaaa aE i DE ETE 4 5a Display DESCrIPLION viiesa thea i e e ahd a eE E 5 Gx Preparation Noe ie aeee eataa iaee cds sae eves seta celts a daaa aea etadtiase 6 6 1 Getting Started 6 6 2 Battery Installation Replacement and Disposal 0eeeeeeeeeeeeeeees 6 6 3 Batter Status Symbols 00 ceceeceee cece eee e eect eee e eeu eee eceeeaesseeeseeaeees 6 6 4 Microphone Installation issii isisi cece eee eeeeeeeeee eee ea eai aadi A 6 Tce Calibration Procedure iin ee leet a ces aeaa oaae eng ew kes te teateunde 7 8 Dose Testing and Datalogging ccceeeeeeeeeeeeeeeeeceeaeeaeeeeeeaa een eeaeeaee 8 8 1 Overview of Dose Testing and Datalogging ccceeeeeeeeeeeeaeeeaeeenees 8 8 2 Running Dose Tests and Datalogger cceeeeeeeeeeeeeeeeeeeeeeeeeeneeenees 8 8 3 Reviewing Do
10. _ Press to Max Peak confirm gt 3 gt m Press Return RUN PAUSE to Press Returni RUNPAUSE edit A C Frequency weighting v Store the range Selected range is flashing enttina Meter display switches OFF seconds 17 SL355 EU EN V1 4 10 Meter setup using supplied software Preferred Method To configure the meter using the supplied software Po NS 11 Install the supplied software onto a PC Connect the meter to the PC using the supplied USB cable Run the software program Refer to the Software User Guide provided on the supplied CD ROM for detailed instructions on the use of the software program Configuring the Meter Manually 11 1 SETUP MODE In SETUP mode the parameters listed in the SETUP Mode Menu table and screen shot section below can be configured The first display in the SETUP mode is always the currently selected setup configuration as shown in the accompanying diagram 1 2 Switch the meter ON using the power button at the upper left side of the keypad Note that the four arrow buttons are smart navigation keys For any given meter mode only the active arrow buttons appear on the LCD Switch to the Set Up mode using the MENU button until Sugg is displayed Press lt or gt to step through the parameters shown in the menu table below To change a setting of a parameter in the menu below e Press and Hold the RUN PAUSE button when the desired parameter is shown the s
11. andards specify Criterion Level Exchange Rate Response Time and Frequency weighting for the dosimeter CRITERION LEVEL To take an on site noise exposure survey in accordance with standards such as OSHA and MSHA the dosimeter s Criterion Level must first be set The 100 DOSE parameter discussed above is determined by the following equation 100 DOSE Criterion Level for 8 hours Each country has a unique Criterion Level most countries including the U S use 90dB The Criterion level is selectable 80 84 85 or 90dB EXCHANGE RATE Exchange rate is best illustrated by example as follows Since 100 DOSE Criterion Level for 8 hours a person would receive 50 DOSE in 4 hours if the noise level equals the Criterion Level setting Now consider a Criterion Level of 90dB a noise measurement of 95dB 5dBA higher than the Criterion Level and an Exchange Rate of 5dB in this example a 100 DOSE would be received in only 4 hours This is because with a 5dB Exchange Rate a 5dB increase in sound level is considered a doubling of the DOSE Other Exchange Rates can be selected 3 4 5 or 6 db Refer to the local regulations or standards for exchange rate criterion level and threshold settings FAST F SLOW S RESPONSE TIME Set the response time to Fast F to capture quick bursts of sound such as discharging firearms fireworks hammering and other impulse noises Use the Slow S setting if the noise under test is more of a continu
12. atalogging sampling rate from one second up to 60 minutes LP Press and hold RUN PAUSE for 3 seconds and the time display will flash Press A or W to change the period and then press RUN PAUSE again Press V to move to the next parameter Test duration programmable in hh mm format Press and hold RUN PAUSE for 3 seconds the time display will flash DUR Use A or to change the time or to select OFF When the desired test duration is displayed press RUN PAUSE again If the DUR is set to OFF the following parameters will be available press Y to access them 21 SL355 EU EN V1 4 The REPT Repeat function allows the test to be repeated a pre programmed number of times OFF 0 to 19 Press and hold RUN PAUSE for 3 seconds the display will flash rEPt Use A or to change the setting and then press RUN PAUSE Press V to move to the next parameter Tests pairs are pairs of Start BEG and End times When a test pair is active a small L appears next to the P in Pair PAIr To disable the test pair press RUN PAUSE and the L will switch OFF Press V to move to the next parameter Test Start BEGIN time HH MM SS If the TIMER is ON tests will begin at the BEGIN time after the RUN PAUSE button is pressed To change the Start time press RUN PAUSE a pair of digits will flash Press Aor BEG to change the flashing digits Press lt or gt to select another pai
13. eats and then confirm with lt SL355 EU EN V1 4 6 Logging Pairs of Start End times 7 Begin start time 8 End time 9 Review other Start End Times Vv Start End times repeat 26 This is the first logging time pair Press lt to enable disable each start end time pair When a pair is disabled the L icon will switch off This is the first Begin start time dd hh mm The day setting is the day of the month When day is indicated measurement will start on the current day Press lt to enable use A V 4 and P to selecting the Beginning start time dd hh mm and then confirm with lt This is the first END stop time dd hh mm Press lt to enable use A V 4 and P to select the End stop time dd hh mm and then confirm with lt The display steps through 16 sets of Start End times SL355 EU EN V1 4 12 Clear the Meter s Memory Use this option with care ALL STORED DATA CAN BE DELETED 1 Select the Continued from Section 11 6 ro 6 Pag Ler e lt gt O Press lt to Clear all stored data while SurE is displayed or press MENU to abort and select E E g another mode of operation 5 ures m 27 SL355 EU EN V1 4 13 Specifications Applicable Standards IEC61252 ANSI 81 25 1992 for dose meter and sound exposure meters IEC 60651 1979 Type 2 for sound level meters IEC 60804 2000
14. erature limits 10 to 60 C 14 to 140 F Cleaning the Instrument If the instrument casing becomes soiled wipe it with a cloth that is lightly dampened with water Do not use abrasive cleansers or solvents Do not allow moisture to enter the microphone connectors or casing Handling the instrument e Do not attempt to remove the microphone grid the microphone can become easily damaged if it is opened e Do not attempt to open the instrument there are no user serviceable parts inside If the instrument requires service please contact the point of sale e Do not allow the instrument to come in contact with moisture e Never mix battery types e Never mix charged and discharged batteries eDo not allow fully discharged batteries to remain inside the instrument eProtect the instrument from impact 15 Software Installation and Operation The supplied CD ROM includes the SL355 Software program driver and the Software Help Guide Please refer to the Software Help Guide for detailed instructions on the use of the supplied software Visit the Extech web site www extech com to check the latest version of the software download a newer version if necessary 31 L355 EU EN V1 4 16 Glossary of Terms DOSE The unit of measure DOSE is used to quantify noise exposure measured during a work shift 100 dose is the maximum allowable noise exposure in accordance with OSHA MSHA DOD ACGIH and ISO standards Most st
15. eries Carefully re assemble the meter before use The end user is legally bound EU Battery ordinance to return all used batteries disposal in the household garbage is prohibited Bring used batteries accumulators to collection points in your community or wherever batteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle 6 3 Battery Status The battery status icon appears as empty when the battery is depleted The battery symbol indicates the remaining capacity in numbers of bars or segments as follows 6 4 Microphone installation Insert the microphone plug into the connector on the top of the meter as shown in accompanying diagram Turn clockwise to secure in place be careful not to over tighten mmmn man o mm a O_O gt 84 gt 65 gt 25 gt 11 0 6 SL355 EU EN V1 4 7 Calibration Procedure 1 A standard 114db acoustic calibrator is required as shown in diagram below 2 Insert the meter s microphone carefully into the insertion hole of the calibrator as shown DIII 3 Switch the calibrator ON and set its output amplitude to 114 db Switch the meter ON 5 Access the Calibration mode CL by repeatedly pressing the MENU button until the CL XX X display is shown and the KY DYNA Saag and eGo mode icons are all switched off refer
16. etting value will begin flashing indicating that it is ready to be edited e Press A or to select the desired value e When the desired value is selected momentarily press the RUN PAUSE button again to save the setting the value will stop flashing 11 2 SETUP Mode Menu Table Icon Description Use lt or gt to scroll items below Press and hold the RUN PAUSE to edit a parameter 60 to 130db or 70 to 140db Measurement Ranges Fors Fast or Slow Response Time Er Exchange rate 3 4 5 or 6 db also known as Q Aorc Frequency weighting PK C or PK Z Peak SPL for C weighting or Z weighting linear tHr Threshold level in db 70 to 90dB in 1 dB steps Crit Criterion level in db 80 84 85 or 90dB 18 SL355 EU EN V1 4 11 3 SETUP Mode Screen Shots Operation 2 Change Mode 3 Inspect and edit settings Press dB qr CLs lt gt MENU several times 5 wor lt gt m SET UP gt To scroll el Press to edit Press Return RUN PAUSE to edit the Range VA To uSr change lt gt om setting uwe Current User Setup Main screen ea Press to confirm lt gt i Press Return RUN PAUSE Press Return RUN PAUSE 19 The meter powers up in the Sound Level Meter mode Selecting SET UP mode The first display shows the name of the currently loaded Setup lt gt Gi Press Return RUN PAUSE to edit Fast Slow Response Time Er 3 4
17. head of measurement time Timer Controlled Start Stop Configured using PC software or meter keypad Logging All measurement parameters values can be logged if the Logging Period is 1 minute 28 SL355 EU EN V1 4 Logging Period LP Seconds 1 2 5 10 15 20 or 30 Minutes 1 2 5 10 15 20 30 or 60 Logging Capacity The meter can log 14400 total values spread over 20 memory locations RUNS User Setups Note that one additional user defined setup configuration can be stored in addition to the factory default configurations shown below FACTORY DEFAULT SETTINGS Setup USr SLM Measurement Range dB 70 140 70 140 Time Weighting Fast Slow Frequency Weighting A A Peak Frequency Weighting Cc Lin Z Exchange Rate db 3 3 Threshold dB 80 N A Criterion Level dB 90 N A Allows User to Change Setup Yes Yes Measurement Parameters DOSE MODE SLM MODE DOSE SPL LEQ TWA SEL PKZ PC Interface method USB interface meter to PC cable included in kit Battery Three 3 1 5V AAA batteries Battery life Typically gt 35 hours at room temperature The instrument will automatically stop measuring and store its data before the battery voltage falls below the cut off value Battery Indicator Battery voltage level is represented in 4 stages using a displayed battery symbol Battery Backup 3V lithium battery CR1220 Operating Temperature amp Hu
18. ime the DATA icon will be on solid e Up to 5 Begin End times can be pre set and tests can be programmed up to 30 days in advance 8 SL355 EU EN V1 4 10 11 DUR DURATION Notes e DUR allows the user to select a specific RUN Duration time e When a duration period is set by the user to anything other than OFF it takes precedence over the Timer setting so that any preset Begin and End times will be ignored DUR is available in the OPTION mode menu While testing the meters DATA menu can be navigated see DATA Menu table and Screen Shots below as long as the keypad is unlocked This allows the user to view the current setup dose and TWA while the test is running The arrow keys are locked automatically when recording begins Press lt and W simultaneously to unlock the keypad The DATA icon will cease flashing indicating that the keypad is unlocked and ready for navigation To re lock the keypad press Aand gt simultaneously To pause a recording press RUN PAUSE The pause icon will appear Press again to resume To stop the recording if the END time has not been automatically set first unlock the keypad by pressing lt and V simultaneously and then press the MENU key The display will show STOP and will count down from 3 to zero press the RUN PAUSE button before zero is reached to successfully stop the recording Switch the meter off to conserve battery power To switch the meter off press and hold the menu
19. med up to 30 days in advance Each test includes a repeat feature where tests can be rerun a pre programmed number of times Criterion Level Threshold Exchange rate and other parameters are user programmable Noise Survey results can be viewed on the meter s display and downloaded using the supplied PC software The SL355 Sound Level Meter SLM displays real time sound pressure level SPL readings along with LEQ SEL and elapsed time as a typical type 2 SLM would The SLM has selectable measurement ranges 60 to 130 amp 70 to 140dB A and C frequency weightings Linear Z and C Peak weightings Fast amp Slow response time settings and an adjustable energy exchange rate Q The SL355 Datalogger has a built in real time clock for date time stamped data records The datalogger can store up to 14 400 readings in the meter s memory Sampling time rate is programmable from 1 second per reading up to 1 hour per reading Logged readings are downloaded using the supplied PC software This device has been calibrated and tested before shipment With proper care years of reliable service can be expected Conventions of this User Guide The SL355 is a sophisticated device with a variety of features This User Guide is intended to optimize the user experience with regard to ease of use and convenience To accomplish this most sections of this User Guide include instructional text a Menu table and a section that illu
20. midity 0 50 C 32 to 122 F 10 90 RH Storage Temperature amp Humidity 10 60 C 14 to 140 F 10 75 RH Dimensions 97 L x 51 W x 35 H mm 3 9 x 2 0 x 1 4 Weight Approx 120g 3 8 oz including batteries 29 SL355 EU EN V1 4 CE Certification CE mark indicates compliance EMC Directive EMC Emission EN50081 1 1992 Generic emission standard Part 1 Residential commercial and light industry EN50081 2 1993 Generic emission standard Part 2 Industrial environment CISPR22 1993 Radio disturbance characteristics of information technology equipment Class B Limits FCC Rules Part 15 Complies with the Limits for a Class B digital device EMC Immunity EN50082 1 1992 Generic immunity standard Part 1 Residential commercial and light industry RF immunity implies that sound level indications of 70dB or greater will be affected by no more than 1 5dB EN 50082 2 1995 Generic immunity standard Part 2 Industrial environment RF immunity implies that sound level indications of 70dB or greater will be affected by no more than 1 5dB 30 SL355 EU EN V1 4 14 Maintenance Care Cleaning and Storage The SL355 is a delicate precision instrument when handling storing or cleaning the instrument please observe the following a Storing the Instrument aS lt e Keep the instrument in a dry place e For long term storage remove the batteries e Do not exceed the storage temp
21. on 2 O o N 0U e wo N a Keyboard cover Notes Battery compartment and belt clip are located on rear of meter Microphone lapel clip calibration screwdriver microphone windscreen and other kit items are not pictured 4 SL355 EU EN V1 4 5 Display Description A O P Oy n 10 11 12 13 DUR SPLPKZ DOS LEQ END SEL dB io oe Gea lt a ml Over range indicator Under range indicator Flashing Timer standby Solid Recording 3 4 5 Recording Pause indicator a Smart navigation buttons SPL Sound Pressure Level PK Peak mode C frequency weighting PKZ Peak mode Linear Z weighting DOSE dose LEQ Equivalent Continuous Sound Level TWA Time Weighted Average SEL Single Event Noise Exposure Level S Slow response time weighting F Fast response time weighting Cc C frequency weighting A A frequency weighting dB Percent or decibel readout units maau Battery status Primary reading date time display or menu items for the programming modes Mode Icons SLM Sound level meter mode DATA Dosimeter Datalogger when flashing Data is recording and the keypad is locked when solid the meter is waiting for the Timer to countdown before recording can begin SET UP OPTION BEG END DUR Setup mode of operation Option mode of operation Headphone icon indicates that a SPL of over 115db has occurred Start te
22. ous drone or background din The Slow setting is typically specified by OSHA and MSHA standards for use in noise surveys THRESHOLD LEVEL The threshold level is the sound level at which the meter begins to integrate noise into the exposure test For example if the threshold level is set to 85dB the meter will integrate all noise that equals or exceeds 85 dB Sound levels below this threshold would not be included in the dose calculation TIME WEIGHTED AVERAGE TWA TWA is the 8 hour projected average sound level based on data collected from the start of the test up to the time the TWA is checked TWA sound exposure is displayed in Pa h on the SL355 PEAK When sound levels above 140dB are present the meter displays the PK and the C or Z weighting symbols The C icon indicates C frequency weighting and the Z icon indicates flat or linear peak where no frequency weighting is applied HIGH LEVEL INDICATOR When sound levels above 115dB are present the meter displays the headphone oe symbol 32 SL355 EU EN V1 4
23. r is paused To unlock the keys and display to restore normal operation oe A 3 second countdown will start This command must be m confirmed immediately before 5 b uu p J the counter reaches zero by m 4o m pressing the RETURN button v 10 The RUN is now complete Confirm Stop E O ri 1 tS CLJ 4 gt im SL355 EU EN V1 4 8 6 3 Screen Shots for Recalling and Reviewing Dose Data Note that stored data is identified by date day and measurement start time hh mm and that up to 20 RUNS can be stored simultaneously The meter always powers up in the Sound Level bar 14 J Meter mode lt 111 1 Switch the meter ON 3 Enable Data Recall Display the Start Date amp Time for the most recently stored RUN MInonr aot Li 30 an u dd hh mm lt gt m DATA Vv BEG Select RUN by Start Date repeatedly amp Time rm ce 8g m We Uo lt gt mm Shows where data from the selected run is stored run4y lt gt m The stored data can be reviewed as described in steps 4 and 5 of section mr F Los iu g 8 6 2 above lt gt m 14 SL355 EU EN V1 4 9 Sound Level Meter SLM Mode Use the MENU button to access the SLM mode the icon will appear on the meter s LCD when the SLM mode is accessed The Elapsed Timer will start automatically and the meter will begin displaying the sound pressure level SPL measurements in db decibels use the RUN PAUSE button to pau
24. r of digits When done press RUN PAUSE to store the new Start time Press V to move to the next parameter Test END time HH MM SS To change the Test END time press RUN PAUSE a pair of digits will flash Press A or to change the flashing digits END Press lt or gt to select another pair of digits When done press RUN PAUSE to store the new End time Use the MENU button to change mode of operation Access this parameter from the TIMER parameter earlier in this menu CLrxx Clear memory location Run 01 20 Press W to access the parameter below or press gt to return to the current time display Are you sure Press RUN PAUSE to erase the current memory location SUreXX Use the MENU button to change the mode of operation 22 SL355 EU EN V1 4 11 6 OPTION Mode Basic Screen Shots Operation Press Display Shows 1 Switch the AF Start from the Sound Level meter ON Meter mode dB ti lt mm 2 Change MENU Current Time Mode several times 3 Scroll gt The display cycles through options To scroll the remaining options Current Time hh mm ss Current Date dd mm yy Battery status voltage Timer Status Data Clear Use this option with caution ALL DATA CAN BE DELETED 23 SL355 EU EN V1 4 11 7 Set the Time amp Date in OPTION Mode Time Option lt gt m 1 2 Enable Time Change lt gt mm Save the Changes Continued from Step 2 in Section 11 6 Cur
25. ription SPL Sound Pressure Level in SPL j Use to scroll db Use gt to scroll items Sound Pressure Level in db items below below f 60 to 130db or DUR Test Duration 70 to 140db Measurement Range Equivalent Continuous F bie LEQ Noise Level Fors Time Weighting Fast Slow SEL Sound Exposure Level Er 3 4 5 or 6 db Exchange rate Q Peak SPL for C or Z ae PK weighting Aorc Frequency weighting Clear Erase data Use PAUSE RUN button to y Z linear or C frequency Clr N erase RUN data Y for PKC or PKZ weighting for Peak SPL Yes or N for No 15 SL355 EU EN V1 4 9 2 Screen Shots for SOUND LEVEL METER Mode As mentioned in SLM mode the meter operates as a Type 2 sound level meter Note that data cannot be logged while the meter is in the SLM mode 2 Review SLM Measurement os 43 gt v To Scroll Sound Pressure Level A Frequency wi Weighting Press RETURN RUN PAUSE button Y Max Peak Lip or LCpx Z for Linear C for C Weighting 16 Start from the Sound Level Meter mode Measurement Y Duration Time Equivalent Continuous Sound Level Leq Single Event Noise Exposure Level Le or SEL SL355 EU EN V1 4 3 Inspect and edit the settings To aor Press to edit Press Return RUN PAUSE to edit the Range VA To change setting Press Return Press Return RUN PAUSE to RUN PAUSE to edit edit Fast Slow Response Time lt
26. se Test Setups and Measurement results ceeeeeee ee 9 8 4 Review Stored Datalogger Data cccceeceeeeeee eee eeeeeceeseeeeneetieeen ees 9 8 5 Data Mode Menu Table 2 0eccscee cee nescence eee ee aetna 10 8 6 Data Mode Meter Screen Shots 0 c cee cce cence eee cece eee cette eens 11 8 6 1 Select Dose Meter Setup from Memory ccceceeeeeeeeeeeeeeeeeeeees 11 8 6 2 Measure and Store Dose Data 11 8 6 3 Screen Shots for Recalling and Reviewing Dose Data 00 5 14 9 Sound Level Meter SLM Mode c eeceeeeeeneee eee eeeeeneeaeeneeneeneeneeeeneeaes 15 9 ASEM Menu TANE ie r e sis a a bed oleiwedd deeds idee Melee 15 9 2 SEM S reeN Shots o r a e heated Gas a aa 16 10 Meter Setup Software Method cccececeeeeeee eee eeeeeeeeeeeeeeneeeeeeeeeaeeneenes 18 11 Meter Setup Manuallly asair Geen dooce acess Meee ees addenda S 18 14 4 SETUPMod6iiscned wih acaes R on ee Aa aba eA eae 18 11 2 SETUP Mode Menu Table 0 cc cceeeeceneeeeceeeeeeeaeeeeeaaeeeeeaaeeeseeeeaee 18 11 3 SETUP Mode Screen Shots 19 19 4 OPTION MOde nnani ana na aa a Cedbek ove aes eea it 21 11 5 OPTION Mode Menu Table 1 00 cece cece eneeeeeeee eee eeeneeeteeeaaeeeeee 21 11 6 OPTION Mode Basic Screen Shots 0 0 cece eee cee eee eens 23 11 7 OPTION Mode Set the Time and Date 24 11 8 OPTION Mode Editing 2 0 0 0 eee cece eee nee
27. se and resume the timer In SLM mode the meter operates as a standard type 2 sound level meter measuring and displaying sound pressure levels from 60 to 130db or 70 to 140dB the range is selectable as described later in this procedure Read the measured Sound Pressure Level SPL on the LCD For Sound Level measurements that fall below the specified range a down arrow icon will appear on the display for readings above the specified range an up arrow icon will appear on the LCD For readings gt 115dBA the headphone icon appears For readings gt 140dBA the Peak Detector PK icon appears along with the C or Z icon depending on the selected Peak weighting mode C for C frequency weighting and Z for flat or linear response where no frequency weighting is applied In SLM mode the user can also view SEL Single Event noise exposure Level and Leq Equivalent continuous sound pressure Level readings refer to the SLM menu for navigation Refer to the Menu table and Screen Shots provided below illustrative instructions In the Menu table below the user can edit the parameters shown on the right side of the thick black vertical line When a parameter is displayed press and hold RUN PAUSE until the parameter s setting flashes Press A or Vv to change the setting and then press RUN PAUSE again to save the change 9 1 SOUND LEVEL METER SLM Menu Table Display Description Display Desc
28. sors are enabled and the HOURS entry blinks to indicate that it can be edited Use and lt to highlight an entry Use A and to change the entry The new time setting is stored Repeat this process to set the date Note that the date format is dd mm yy 24 SL355 EU EN V1 4 11 8 OPTION Mode Editing Operation 1 Select Timer Option 2 Switch Timer ON 3 Logging Period setting 4 DURATION setting 5 REPEAT setting ther GE lt gt m nn tienrun 4 y gt E OPTION r EPLOF 25 Continuing from Section 11 6 The TIMER is now ON therefore the programmed Start and Stop times will be used unless Duration DUR settings are enabled as shown in step 4 below LP allows the user to select a Logging Period data sample rate Press lt to enable use A and W to select from the following Logging periods 1 2 5 10 15 20 30 seconds 1 2 5 10 15 20 30 60 minutes DUR allows the user to select a RUN Duration time When a RUN duration period is shown here it takes precedence over the Timer setting so that any preset start and stop times WILL NOT BE USED Press lt to enable and then use A and to select from the following durations OFF 5 10 15 30 minutes 1 2 4 8 10 12 24 hours confirm with lt Rept allows the user to select up to 49 repeats of the timer settings Press lt to enable use A and W to select the number of rep
29. st time Stop test time Test duration 5 SL355 EU EN V1 4 6 Preparation 6 1 Getting Started 1 6 2 Battery Installation Replacement and Disposal 1 2 Power the instrument by momentarily pressing the power menu button at the upper left side of the keypad When the unit is turned on the model number 355 appears briefly on the left side of the LCD and the firmware version 1 1 for example appears on the right side The meter defaults to the SLM mode SW icon is shown where the main display indicates the sound pressure level SPL in db the A C frequency weighting setting the F S response time setting and the battery status icon an up or down arrow will be AF visible if the current reading is above or below the selected range respectively See screen shot diagram dB If the meter will not switch on check that the batteries are installed 7 i and are fresh To turn the meter OFF press and hold the power menu button for three 3 seconds The SL355 can be used as a Sound Level Meter or a Dosimeter Datalogger Note that the four arrow buttons are smart navigation keys For any given meter mode only the active arrow buttons appear on the LCD 43 gt m Slide the rear battery cover off of the meter Remove the old batteries if applicable and insert three 3 AAA 1 5V batteries Ensure that the battery orientation and polarity are correct Do not mix fresh and partially used batt
30. strates the actual Screen shots seen by the user while programming the meter Be sure to review all three of these approaches instructional text menu tables and screen shots and determine if one or a combination of the three work best for the application at hand If questions arise please contact our technical support staff 3 SL355 EU EN V1 4 3 Features e Combination Dose Meter Datalogger and Sound Level Meter e User defined measurement configurations Selectable Criterion Level Exchange Rate Threshold Frequency Weighting and Response Time settings e Completely configurable using the supplied PC software recommended e Twenty 20 internal memory locations with a total capacity of 14 400 readings e Download Dose TWA and Datalogger data to a PC using supplied PC software e Real time clock and date time stamp datalogging capability Keypad lock protects against inadvertent meter operation Included USB PC interface and Windows configuration and datalogging software e Kit includes a microphone microphone clip microphone windscreen belt clip batteries protective case keypad cover user guide software CD ROM and USB cable 4 Meter Description Microphone input jack Calibration potentiometer for 114db adjustment LCD Display ON OFF and MENU button Left arrow button Down arrow button USB PC interface jack Right arrow button Up arrow button 0 RUN PAUSE and RETURN butt
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