Home

Quest Edge eg3 and eg4 personal noise dosimeters user manua

1. Figure 3 1 Edge setup and retrieve data buttons in QSP I1 053 644 Rev D eg4 amp eg3 18 JNoise studies Understanding what data is stored Understanding what data is stored When you are running noise dosimetry studies there are two types of data stored on the dosimeter These two types of data are Summary data and Time History or Logged data Summary data Summary data represents values that occurred over the entire run of the study For an average value such as Lavg it represents the average decibel value over the entire run time Peak and Max values are the highest measurements that occurred throughout the run time General Data Panel Dose Lok HK He Exchange Hate Response Log Rate Dose Lavg Weighting Response Exchange Fate 112 3 dB 11792007 7 44 13 4M 5 de SLOW DU s A SLOW F dB Figure 3 2 Sample summary data from QSP II reporting 053 644 Rev D eg4 amp eg3 19 Noise studies Time history Time history Time history data Is also referred as logged data which plots measurement values in minute by minute intervals Time History data represents values that occurred over the most recent time period which is the logging interval For example if the log interval is 1 minute then the Peak value is the highest Peak value for that 1 minute and the Lavg value is the average dB value for that 1 minute Logged Data Chart SSES 053 644 Rev D 2320 46 SIE 00 03 16
2. How to set up secure lock ail Ensure the Edge Is docked and the USB cable is connected from the pc to the EdgeDock From the welcome screen of QSP II select the Edge and click on the Setup button see Figure 3 1 page 17 Next click on the Configuration tab and then click the Security tab Ensure Select All is checked and or the dosimeter is checked if using more than one bay click on the appropriate dosimeters Select one of the secure lock settings by clicking in one of the checkboxes To change other settings see settings sections dosimeter tab set tab auto on tab or clear tab Or click Save As to save the new set up and name the settings Alternatively click Save to change the Edge setup under Saved Setup Then click Send setup to I nstrument eet Saved Setups Edge Units Configuration Ers Select All f Edge Dosimeter e Display Auto By 4 EDGE Beta Test setup dgeDock 5 Lock Mode E Edge Beta test setup 2 of Edge 1 dosimeter setting MD Edge with Identity field set lt empty bay gt C Mark beta C Unlocked O Laura s EHG lt empty bay gt C Locked allow meaurement view lt empty bay gt f Locked no measurement view Wl ka Save E Send Setup to Instruments e iT F e Help Figure 3 10 Secure Lock setting eg4 amp eg3 31 Customizing set up parameters in QSP II Security setting secure lock during your run
3. Table 5 2 Explanation of panels graphs and charts components 053 644 Rev D eg4 amp eg3 53 Adding panels charts graphs Viewing your Edge data in QSP II Adding panels charts graphs 1 Ensure you selected the appropriate study and are viewing panels graphs charts on the right hand side of your screen 2 Click on the Add icon EJ 3 Select a chart or graph An edit screen may appear Select the appropriate settings and click Ok It will display on your screen Saving your customized layout charts graphs You may have spent some time organizing your study data by adding new charts and or graphs rearranging the panes right click on a graph chart heading and drag and drop to a specific spot and or editing the logged data values With the save template button you can save your customized layout so every time you open a study the appropriate charts and graphs are displayed gt How to save and apply a layout 1 Inthe layout view of QSP II click on the Manage Templates icon Ea see layout icon toolbar in Figure 5 5 a The Manage Session Templates screen will appear 2 To create a new template type a name in the Templates Name field 3 Click the Save Template button 4 Select the appropriate template name in the available templates field and Click the Apply Template button Manage Session lemplates Template Name field Template Name Noise Study for OSHA standards Save Template 1 Save Template but
4. After setting this feature ensure the Edge Is turned off See turning off on page 9 gt Auto On setting 1 Ensure the Edge is turned on docked and the USB cable is connected from the pc to the EdgeDock 2 From the welcome screen of QSP II select the Edge and click on the Setup tab see Figure 3 1 page 17 Next click on Configuration tab and then click the Auto On tab Under Edge units click the Select All button if using one dosimeter Or select by expanding the Edge Docking Station and click the appropriate dosimeter s if using the EdgeDock5 To enable Auto On 1 and or Auto On 2 click on the Date button Set the duration start date and start time by clicking on the up down arrows 053 644 Rev D eg4 amp eg3 29 Customizing set up parameters in QSP I Security setting secure lock during your run 7 TO finish click Save to change the Edge setup under Saved Setup Then click Send setup to I nstrument Los Linde Gomm T baeet haupa Date T See Ab wes T 4 Edge Click to enable sts gt hee sl EEE ad foie balls Auto On mode v eere Auto On settin e Drake g nen zg Dat Dsg ete de Stan Tee hhm Select appropriate duration time and o date dE DCH ve FUT W Send setup to instrument _ _ 4 Bend Sekotak NY e e Halg Figure 3 9 Setting the Edge to start automatically 8 After sending to the instrument turn the
5. BOS E 6 Memory storage cccccseeeeeeeeeeeeaeees 22 Eege 6 Memory storage ccccseeeeeseeeeeeeeees 22 604 un Le Le km eeen eee ek 62 Exchange Rate Rtl RE 70 EXON Cake EE 23 F Fast or slow response DO MING EE 25 Free field setting microphone DEINE EE 71 G CC a EE ER H Hearing Conservation Ale WE 71 PCAC besitos teeta a 55 Heartbeat enable disable 00nnn00nn000nn 25 Hertz pened aaaea EN 71 l identity Setting enirere 31 MOO GE 49 eg4 amp eg3 78 Index L Lavg Be 71 LED indicator Flashing amber Tote 9 Flashing green jobt 9 soting QS iseer 9 Lep d Bee E tes eer seer ene eee eerste eer 71 Leq Bd E 72 Lmin Be WEE 72 Load your studies nnooennnneoennnnneennnenn 47 Loading your Studies 47 LOCKING nene utenncuanebewiansauenann 46 ABDOU naana a hed 45 SO TING EE 30 LOGIN WEE 62 Rule EE 72 M Maximum Level Riet WEE 72 Measurement Range Ree WEE 72 Memory storage svmbol 22 Model OOS E 6 OA E 6 Mount the docking station 15 N Naming setup 26 Naming your dosimeter 31 Noise Floor BIZ WEE 72 O Options E 41 42 Overload EE 44 P Peak Level DENNE eee ei 72 053 644 Rev D Peak weighting SEUNG EE PEL ee EE Power R ln Ee GE Projected Time Defined EE Q QSP II Heartbeat enable disable 0 00000000000 Heartbeat enabled Meter Confg Noise Study cceeeccceeesseseseeeeeeeeeeaes Organizer Node ennaannnnnnnneennnnnennn Sessio
6. If unchecked a green and red LED will not flash W NOTE To conserve on battery power these items may be disabled 053 644 Rev D eg4 amp eg3 26 Customizing set up parameters in QSP I Dosimeter setting 7 To change dosimeter 1 or dosimeter 2 click on up down arrows See F and G in Figure 3 6 You have the following parameters e Threshold to disable uncheck the Threshold check box To enable ensure the checkbox Is selected and a value Is assigned e 80 dB e ER UL CL are selectable via up down arrows e Named setup type in a customized setup name i e OSHA setting 8 To change other settings see next sections setting display set up auto on security or clear Dosimeter tab Edge Units e Select All Dt Or Edge Units S Lage 5 Je Setups i ipi F Select All a Edge e Click on specific CG Disp af EDGE Beta Test setup do S m ete r S Free Timed Response MS Weighting Peak Weighting m Asi as Sasi cone Be G sow Chat tA Ce CR CS oD Edge with Identity feld set d Mark sEdge Jose Indicator LED Dosimeter settings el mue DECHE e Timed Response A nha 00 je Alarm Enable M Heartbeat Enable e RMS wei htin B empty bay Dosimeter 2 g i g EE Threshold dB z F e Peak weighting C Exchange Rate dB 5 LED indicator settings Upper Limit dB nz 2 F c e Alarm enable D s r Criterion Level dB fo e Heartbeat enable E Be ee Eser Dosimeter
7. Rev D eg4 amp eg3 6 Dosimetry The Edge Models The Edge Models 053 644 Rev D Quest Technologies offers two Edge models The eg4 model features two virtual dosimeters with data logging Once the parameters are set and saved in the dosimeter you can monitor two different dosimeters by a single press of the Enter button This will toggle you between the two dosimeters The eg3 model is equipped with one dosimeter setting and will not data log B Dosimeter 3 Display el Set Time Auto On A Security 3 Clear Timed Response RMS Weighting Peak Weighting e Slow fe A fC C Fast sr B Dose Indicator LED 100 Iw Threshold Enable jw Heartbeat Enable Dosimeter 1 Dosimeter 2 Threshold dB Exchange Rate dB Upper Limit dB Criterion Level dB Named Setup Figure 1 3 Parameter setup screen for eg4 Virtual dosimeters You can monitor and log noise studies by enabling two different parameter settings in one dosimeter also referred to as virtual dosimeters For instance you may want to set one dosimeter to log using the OSHA HC Occupational Safety and Health Administration Hearing Conversation parameters and also monitor noise with the OSHA PEL Occupational Safety and Health Administration Permissible Exposure Level settings A few scenarios of virtual dosimeters include Industrial noise control Hearing conservation compliance Work site assessments Personal noise verifi
8. The docking station is equipped with two single screw slots in case you wish to mount the docking station to the wall The figure below displays the backside of the single bay dock 4 Screw slots Used to mount to a wall Figure 2 8 Backside of EdgeDockl1 Storing the dosimeter To preserve the life of the battery it is suggested that the dosimeter is turned off when you are storing the dosimeter Additionally if the dosimeter is docked and stored on the docking station when it is powered off it will still draw a small amount of battery power from the dosimeter Thus it is recommended to store the dosimeter s separately from the docking station 053 644 Rev D eg4 amp eg3 This page left blank intentionally 053 644 Rev D eg4 amp eg3 CHAPTER 17 Noise studies Storing the dosimeter Setting up the Edge via QSP II Noise studies The eg4 model comes equipped with two customizable user setups The eg3 model has one customizable user setup You have the option to customize the parameters for threshold values exchange rate values an upper limit value and a criterion level This chapter explains data storage the pre set views on the dosimeter and explains how to customize the parameters and display of your Edge via QSP II It concludes with an explanation of retrieving data from your dosimeter to the software The Edge II am Edge customize and view your data studies Retrieve Data Setup
9. 1 amp 2 parameters E Send Setup to Instruments t 2 e referto F and G atus H i Save As 2 3 Send setup to instrument Figure 3 6 Setting up Dosimeter parameters 9 Or click Save As to save the new set up assign a name and click Ok 10 Then click on Send Setup to Instrument button a The status field will update stating it transferred and complete A Sample status message is displayed below Status Sending setup to bay 1 Setup transferred to bay 1 Complete Figure 3 7 Status update message in QSP II 053 644 Rev D eg4 amp eg3 27 Customizing set up parameters in QSP I Display setting customizing your views Display setting customizing your views In the display screen of QSP II you can customize the Edge display For example if you only want SPL Peak and RT to appear on the dosimeter you would select these in the first three rows and then select OFF for all other rows gt Customizing display tab 1 Dock the Edge and plug in a USB cable to the pc Turn on the Edge M Ensure the Edge is powered on by pressing the on off enter button 2 From the welcome screen of QSP II select the Edge and click on the Setup tab see Figure 3 1 page 17 3 Click on Configuration tab and then click on Display tab 4 Click on the Select All button under Edge Units if using one dosimeter Or select by expanding the Edge Docking Station and click a specific dosimeter s
10. 5 To change click on one of the fields in the item to display column 6 Under set selected item select from the drop down list Edge Setup E Edge Units f Coniston commands i Setups Display Tab RK Qasi d Display JO Auto On a Security Se Beta Test setup Edge Units one fr Display Configuration Menu ER Ra Item to display Set selected item of Edge with Identity field set Click select All Or chose a specific Edge s Laura s EHG Max OFF Sc Mark beta Display position Item to display e SPL lt empty bay gt lt empty bay gt Irma eon CH a mm click on a field you wish to change then chose an item from set selected item Figure 3 8 Changing the display via QSP I1 7 To change other settings see next sections setting display set up auto on security or clear Or click Save As to save the new set up and name the settings Ml Alternatively click Save to change the Edge setup under Saved Setup Then click Send setup to Instrument 053 644 Rev D eg4 amp eg3 28 Customizing set up parameters in QSP I Auto On setting Auto On setting Programming the Edge to auto start amp stop a study You may want to set up a study a day a week a month or several months ahead of time With the Auto on setting you can pre program one study based on the length of your study or duration start date and start time
11. Edge off by pressing the On Off key Security setting secure lock during your run 053 644 Rev D You can prevent people from inadvertently terminating a study or changing settings with the lock feature enabled Initially this feature is set through QSP II and is then activated after the dosimeter is running There are three lock or secure run settings M NOTE Ifyou wish to enable this feature while running see Locking or Unlocking page 46 The following three lock settings are available in QSP I1 M Unlocked o No security feature is enabled M Locked secure with view o Noted in QSP II as Locked allow measurement view While the dosimeter is running a lock icon will appear in the top right of the screen and the user can view the data but cannot stop the run unless the lock feature is disabled See locking unlocking page 46 eg4 amp eg3 30 Customizing set up parameters in QSP II Security setting secure lock during your run Security Select All Or select specific dosimeter Setting lock mode e Click on one of the lock modes 053 644 Rev D M Locked secure all E o Noted in QSP II as Locked no measurement view While the dosimeter is running a large padlock symbol appears in the display as well as the small key symbol in place of the data The end user cannot see the data and cannot stop the study unless one unlocks the dosimeter See locking unlocking page 46
12. II Dosimeter setting Customizing set up parameters in QSP II Customizing and saving set ups are performed via QSP II The following sections discuss each of the setup screens and explain how to save and send the parameters to the dosimeter s Dosimeter setting The dosimeter setting in QSP II is used to define your setup parameters gt Customizing dosimeter tab 1 Dock the Edge and plug in a USB cable to the pc Turn on the Edge M NOTE if using multiple dosimeters dock each one and either customize all at once or customize one by one as discussed in steps 2 6 2 From the welcome screen of QSP II select the Edge and click on Setup button see Figure 3 1 page 17 3 Click on Configuration tab and then Dosimeter tab 4 In the dosimeter screen click in Select All checkbox if using only one dosimeter e Or Expand the Edge Charging station by clicking on the and click on the appropriate dosimeter s 5 To set dosimeter settings click in the checkbox or select the up down arrow box See Figure 3 6 for the following e Fastor slow response A e AorCRMS weighting B e CorZ peak weighting C 6 To enable disable the LED indicators refer to the following e If Alarm enable is checked for the Dose then the dosimeter LED will flash red when the dose value exceeds the designated dose value entered e f Heartbeat enable is checked the Edge will flash green while running and flash red when stopped
13. Naming your dosimeter identity setting With the identity setting on the Edge you have the option of adding a name to the dosimeter This is a very useful feature if for example you have a handful of dosimeters or a couple hundred dosimeters and you want to track who Is assigned to each specific dosimeter gt How to name your dosimeter 1 Ensure the Edge is turned on docked and the USB cable is connected from the pc to the EdgeDock 2 From the welcome screen of QSP II select the Edge and click on the Setup button see Figure 3 1 page 17 3 Inthe Display screen ensure identity appears as one of the item to display fields See diagram below or refer to Display setting customizing your views on page 27 to add this field dge Setup Edge Units Commands Display G SE pech Auto On 49 Security Select an EdgeDock5 Display Configuration Menu e lt empty bay gt Edge unit s SS Mark beta anpa position n to display A Item to display Laura s EGA 2 Maw 3 OFF 1 Click on one of the OFF OFF fields in order lt empty bay gt d Ze to add Identity as a 7 Dose P selected item gt Set selected item Set Selected ltem 2 Select Identity i n o r It will appear Upper Limit Time above in the Geet Time numbered line 4 Gin Mie dd mmm uul valable Memory Item you selected a Battery Time Remaining Identity m in step Status Curent Date mmdd y le
14. coming into contact with the windscreen to avoid contaminating your results NO Positioning Figure 4 2 Attaching the Edge on your shoulder Windscreen and maintenance Before measuring ensure the windscreen is free from any accumulated dirt b If you ordered a kit as explained in Chapter 2 there are replacement windscreens in the carrying case for your convenience Please refer to Figure 6 1 on page 58 for details on replacing the windscreen 053 644 Rev D eg4 amp eg3 39 Overview of running a study Checking battery power Checking battery power Typically the life of the battery is approximately 60 hours see Appendix A for specific specifications The dosimeter can be charged at any time by using your EdgeDock There are two battery identifiers on the dosimeter which are the battery indicator icon and the battery power clock see Figure 4 3 gt Checking battery power 1 The battery indicator icon located at the top right of your screen gives an approximation of battery life and is always present e f the battery indicator is half shaded this illustrates you have approximately 30 hours of battery life remaining e f lobat appears less than 8 hours of run time is available 2 Additionally there is a battery time remaining measurement which identifies the number of hours and minutes remaining on the dosimeter 3 To view press the up down arrows Ay This will navigate your through the views
15. docking station See B and K WM NOTE The docking station will be powered through the computer thus you do not need to plug in the charger adapter If you wish to charge the dosimeter plug in the charger adapter A Figure 3 4 Communicating connecting a docked Edge to a pc 053 644 Rev D eg4 amp eg3 24 Docking Figure 3 4 Communicating connecting a docked Edge to a pc Communicating amp downloading data 4 For first time use of a docking station Welcome to the found new hardware wizard will appear see Figure 2 8 Select No and press Next through the remaining wizard At the end of the wizard press Finish e This will install the hardware components associated with your EdgeDock1 and or EdgeDock5 M NOTE Ifyou have more than one EdgeDock1 or EdgeDock5 this wizard will appear for each new dock which is connected to your pc Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking op your computer on the hardware installation CD or op the Windows Update Web site with your permission Head our privacy policy Can Windows connect to Windows Update to search for software ves this time only C 3 Yes now and every time connect a device No not this time Click Next to continue Figure 3 5 New Hardware wizard for Edge Dock 053 644 Rev D eg4 amp eg3 25 Customizing set up parameters in QSP
16. for the EdgeDock1 and or EdgeDock5 If loading from Quest Technologies Internet site please follow the directions online http questtechnologies com Docking station functionality Depending on the kit you purchased you may have an EdgeDock1l and or an EdgeDock5 Both are designed similarly with the same LED indicators The main difference with the EdgeDock5 is that it has five bays for docking charging and or managing the dosimeters If desired the EdgeDock5 will charge all docked instruments at one time The docking station serves a dua purpose role 1 It is used to charge the battery on the dosimeter s 2 It is used to communicate between the software QSP II and the dosimeter e import export settings and measurement D ll Charging Indicator Power Indicator Charge contacts Power connector USB connector Figure 2 4 EdgeDock1 053 644 Rev D eg4 amp eg3 12 Docking station functionality Docking station components Docking station components The table below explains the EdgeDock1 or EdgeDock5 LED indicators power connector USB connector and contact pins Docking station Explanation components Charging indicator Identifies if the dosimeter is charging or fully charged A red blinking LED indicates the dosimeter is charging A solid green LED equates to a fully charged dosimeter An amber LED indicates the docking station is powered on Attach the power connector cable to the do
17. hour container filled with sound energy For TWA take the smaller 2 hour container and pour that energy into the larger 8 hour TWA container The TWA level will be lower Again TWA is ALWAYS based on the 8 hour container When measuring using OSHA s guidelines TWA is the proper number to report provided that the full work shift was measured Example If the work shift is 6 5 hours long then measure for the entire 6 5 hours TWA is the correct level to report to OSHA It does not have to be modified 053 644 Rev D eg4 amp eg3 75 Appendix B Glossary of Terms Weighting A C Z etc A B C Z and LINEAR are the standard weighting networks available These are frequency filters that cover the frequency range of human hearing 20Hz to 20 kHz A weighting is the most commonly used filter in both industrial noise applications OSHA and community noise regulations A weighted measurements are often reported as dBA The A weighted filter attempts to make the dosimeter respond closer to the way the human ear hears It attenuates the frequencies below several hundred hertz as well as the high frequencies above six thousand hertz B weighting is similar to A weighting but with less attenuation The B weighting is very seldom if ever used The C weighting provides a fairly flat frequency response with only slight attenuation of the very high and very low frequencies C weight
18. toolbar For further information please refer to QSP II s Help Contents 053 644 Rev D eg4 amp eg3 52 Where your studies are stored Viewing your Edge data in QSP II Custom Layout Logged Data Chart _ _Timeneme Level Lokal k ugscmg 89 30 Hm ae mn aam man wn mn nz IS 2309 2 0 d t VOM an Hm w Sg UE GE SEI ki 1054 T T wa a Mil Horahia 189 PO 2S 21 Stop Time Puesia Horende 21 20034 181 Eu 8 Figure 5 5 Viewing layout view charts and graphs in QSP II Graphs amp Explanation Charts layout view A Layout QSP II is divided into two panes or sections One is the layout view and the second pane is the control pane The layout is divided into panels also known as charts and graphs You can add charts and or graphs move them in the appropriate position and or customize the data values B Panel For the Edge the standard layout has three panels The panels can be moved edited and expanded or collapsed see Chart and Graph icons C Chart amp Used to enlarge or hide a panel also called chart or graph edit Graph the data or close the view icons E M Expand or Collapse the panel graph chart CI M Edit edit the parameters of the selected screen ER M Delete closes the window D Layout This toolbar is used to add tables and or charts arrange tables icon or charts manage the layout view lock it print reports and toolbar access to the help files
19. worldwide 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 Quest monitoring instruments serve a variety of occupations and industries with clients in mining research enforcement military education insurance and manufacturing business sectors QUEST TECHNOLOGIES aaM oompany 130 3001 Registerea Company EE es Com ISO 17025 Accredited Calibration Lab C l 300 Se 0779 sa 053 644 Rev D 7 10 SE Email quest mail mmm Com 2010 3M All Rights
20. 00 24 31 11 19 2007 11 19 2007 11 19 2007 11 20 2007 11 20 2007 Date Time BLavg 1 E Lmax 1 Lok 1 Lavg 2 Figure 3 3 Sample time history data or logged data chart Logging eg4 model only logs at one minute intervals and includes the following measurements Meter 1 logs Lal Le Meter 2 logs Lal Le Lok and Lmax If the dosimeter runs for one hour then it will log 60 Lavg Leq results and 60 Lmax Lpk levels In QSP II you can customize the logged data chart results by checking Lavg Leq Lpk and or Lmax measurement values eg4 amp eg3 20 Views on the Edge Definitions of data log values and views Views on the Edge The Edge Is a user friendly and customizable dosimeter With a simple click of a checkbox in QSP II you can select the appropriate measurement values or views to appear or not appear on the display of your dosimeter The following table briefly identifies the displayed data values and views with a brief definition See the glossary for additional information of these terms Definitions of data log values and views To set up the Edge and work with noise level data you will want to have a good understanding of the terms listed in Table 3 1 M NOTE The following table is based on A weighted slow measurements Thus if you choose A or C weighted with Fast or Slow response the measurement values will change on the display 1 e you selected sound pressure level with C weighting with Fast response i
21. 3 Select send setup to instrument 5 button o Figure 3 11 Setting identity field 053 644 Rev D eg4 amp eg3 32 Customizing set up parameters in QSP II Security setting secure lock during your run 4 Select Commands tab and then click on Identity tab In the Identity screen type in a name numbers in the identity string field Please do not add spaces M NOTE t will allow up to 12 characters in this field 6 Click on Set Identity to send this to the dosimeter e To check the dosimeter for the new name undock the Edge and press the down arrow this will refresh the dosimeter s display The new name or identifier will appear on the Edge e TO pull the identity field or name from the dosimeter to QSP II click on the Get I dentity Ml NOTE if you want to pull the name identifier back from the dosimeter to QSP II you would select Get Identity Loge Selup ei Edge Uet C rki Emane Saved Sena Identity string Sac Rede i Don Set Tee E Upe ja EDGE Beta Teit we ype in a name EdgeDock 5 ji Edat Beta test ze oh Edge Goceratey caning erot bay Th b vagus thu donit s no of en mdnduel and or numbers P 7 instument Only ane infument may be glat at Aha jh Fam wath idandry bei ont z Set Identity Identity strove H K D I Son A t gt t Dei kerey Set design Figure 3 12 Identity screen 053 644 Rev D eg4 amp eg3 33 Customizing set up
22. 3M Occupational Health amp Environmental Safety Division 3M The Edge eg3 and eg4 models MODELS eg3 and eg4 Owner s Manual Personal noise dosimeter QUEST TECHNOLOGIES a JM company EDGE Models eg3 and eg4 Copyright This document is copyrighted by Quest Technologies a 3M company Permission is hereby granted to copy and distribute this manual provided that this Copyright Page is included This grant does not include permission to modify the manual s text or illustrations in any way This manual may not be translated without obtaining permission in advance Trademarks e Quest Technologies the Quest logo and QuestSuite Professional H II are registered trademarks of Quest Technologies Incorporated All rights are reserved e Microsoft and Windows are registered trademarks of Microsoft Inc Updates 053 644 Rev D In the interests of continuous product improvements Quest Technologies a 3M company reserves the right to make changes to product specifications without notice To understand the latest updates that have been implemented into this product and to download the most current version of this user manual visit our web site at www questtechnologies com Copyright 2010 Quest Technologies a 3M company eg4 amp eg3 Table of ii Table of Contents EE Table of Contents CHAPTER 1 INTRODUCTION cccccsssccsssnesseseeeesseneesenessenesseneeeeees 1 DOSIME de EN 1 NOC CO SUM CE WE
23. 6 Attaching charger adapter to EdgeDock1 053 644 Rev D eg4 amp eg3 14 Docking station functionality Charging your dosimeter Charging your dosimeter The number of hours you have used your dosimeter from your last charge will impact your total charge time For example if the battery clock indicator see Checking the battery power for more information displays 20 hours remaining on the battery and you wish to charge the battery the approximate charging time is 2 hours M NOTE To charge a fully discharged battery it would take approximately 4 to 4 5 hours gt How to charge 1 Plug in the power adapter to the EdgeDock See Figure 2 6 page 13 WM When powered on the EdgeDock bottom LED indicator will appear solid amber 2 Slide the Edge 1 downward onto the Hook of the EdgeDock See Figure 2 7 below NOTE When the dosimeter is docked the top LED indicator on the base will be illuminated A red flashing LED indicates it is Charging A green solid LED indicates a fully charged battery 1 2 Backside of Edge bes gt EdgeDock Open cavity amp contacts Slides into Hook of Hook EdgeDock The contacts will align to each other Contacts Dosimeter LED dock P Docking station LED Figure 2 7 Docking the Edge on the EdgeDock 053 644 Rev D eg4 amp eg3 15 Docking station functionality Mounting the docking station to a wall Mounting the docking station to a wall
24. E 2 RANGE OF SOUM EE 3 What do the standards Say cccecccceceeeeceeeeeeeeeeeeeeeeeseeeeeeeeeeeaeseteeaeeeseneeags 3 Applications Of the Edge 4 NOISE AS esment SLEDS EE 5 Te Edge MOTOR crrr E E 5 ege ee TETS aini a E xpetegeusacsescesncey tgoeedousneseaoagh leiden 6 CHAPTER 2 GETTING STARTED ccccccsssncsseseeeesesnesseneeeeeeeseneeeeeees 7 Checking TNE UU E E 7 RT ill OWN coca cette nace cece ce cewaneceeseueansusmaserarensuansessansesswassuunasesecunens 8 LE DINAC e EE 8 NVa e E E ern srtnr rer eras yen eer entre 9 TUNO OFT ata actos istor tat ects tore ss eee stein los eine a EE EE 9 Display and KEY DAG sssssssss2222uuu22222222222u22222222u222220nnnnnnnnnnnnnnnnnnnnn 10 EN EE 10 QuestSuite Professional I software sssssnsuunnnnnnnnnnnnnnnnnnnnnnnnnnn 11 Bettel 11 Docking Station FUNCTIONALITY ccccceceeeeessesseeeeeseesseseeeseeeeeaenaneass 11 DOCKING station Componente sssssssrsrserrrrerrerrrrnrrerrnrrrrnrrnrrnrrrrnrrnrrrrnrrnerrrrne 12 EdgeDock1 Or EdgeDock5 cccccececcececeeeeeeeeteeeeeeeeeeeeeeeeeeaeeeeeeaeeesesetaeaeness 12 Powering EdgeDockl OF EQQ DOCKS opt gegen ene te Zut E gie 13 Charging your dosiMelE EE 14 Mounting the docking station to a wall 15 Stornng ee TEE 15 053 644 Rev D eg4 amp eg3 Table of Contents CHAPTER 3 SETTING UP THE EDGE VIA OSbIl sees KN 17 NOIS SUUGIES wie ceceeceeceeer aceon tee a a a 17 Understanding what data is store uk 18 SOU EY IY Gl el
25. G PADS CHARGING PADS iti CHARGING PADS ali CHARGING PADS i 5 BAY CHARGER ONLY USB 053 644 Rev D eg4 amp eg3 65 Appendix A Quest Service Contacting Quest Technologies Should your 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 Service Department 1 800 245 0779 Office hours are 8 00 a m to 5 00 p m United States Central e Contact Quest via e mail at quest mail mmm com e Fax 1 262 567 4047 y Request a Return Authorization number Internet www quest technologies com If you have questions about the calibrator s operation please contact Quest Technologies and ask for Technical Support Telephone 1 262 567 9157 or 800 245 0779 within the USA 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 under Contacting Quest Technologies above 053 644 Rev D eg4 amp eg3 66 Appendix A Warranty Quest Technologies warrants our instruments to be free from defects in materials and workmanship for one year under normal conditions of use and service For United States customers we will replace or repair our option defective instruments
26. ad The keypad is used to run and stop your studies view your measurement values and power on and off the dosimeter Diagram The following diagram explains the features on the display and keypad Windscreen and microphone LED indicator Kl Red indicates dose exceeded the alarm level Kl Amber dosimeter stopped Kl Green dosimeter measuring Display Splash screen shown MI View data and various indicators Up Arrow A Kl Used to scroll through display screen views C M Used to power On Off the meter Kl Used to switch between toggle dosimeter one and dosimeter two measurements and settings gt a Run and Stop M Used to activate meter when running or logging measurements Wl Used to Stop your noise study Down arrow F M Used to scroll through display screen views Figure 2 3 Edge Keypad 053 644 Rev D eg4 amp eg3 11 QuestSuite Professional II software Loading QuestSuite Professional Il software QuestSuite Professional II QSP II is a software application designed by Quest Technologies that runs under the Windows operating system You can use QSP II for a variety of functions related to the Edge dosimeter and with many other Quest instruments QSP II has the ability to customize your set up parameters display data manipulate data and create reports Loading To load QSP software follow the instructions on the back of the CD It will automatically load the drivers
27. arameters Dosimeters RMS Range RMS Weighting RMS Time Response Exchange Rate ER Peak Range Peak Weighting Criterion Levels Threshold Upper Limit UL 053 644 Rev D Up to two dosimeters at once eg4 each with its own assignable profile via QSP I only 70 to 140 dB A or C weighting Fast or Slow 3 dB 4 dB or 5 dB 110 dB to 143 dB Cor Z weighting 70 to 90 dB in 1 dB increments 70 to 90 db in 1 dB increments 70 to 140 dB in 1 dB increments eg4 amp eg3 62 Appendix A Calibration Pre calibration When performed valid prior to the start of the study Post calibration When performed valid for the previous study Storage Calibrations for a study are stored in the related study file Calibrator requirement Calibrations should be performed at 114 dB at 1kHz Communications The Edge communicates via the EdgeDock1 and or the EdgeDock5 Communications is supported via USB cable from the docking station to the PC Special functions Security Key sequence protection through the keypad when running Auto Run May be programmed via QSP II Logging eg4 only The eg4 is a dual dosimeter with data logging which includes Lavg or Leg 1 2 Max level and Peak level 053 644 Rev D eg4 amp eg3 63 Appendix A Edge Block Diagram Analog Board El GHARGING PADE 053 644 Rev D eg4 amp eg3 64 Appendix A Edge Block Diagram continued CHARGING PADS CHARGIN
28. at no charge excluding batteries abuse misuse alterations physical damage or instruments previously repaired by other than Quest Technologies Microphones sensors printers and chart recorders may have shorter or longer warranty periods This warranty states our total obligation in place of any other warranties expresses or implied Our warranty does not include any liability or obligation directly resulting from any defective instrument or product or any associated damages Injuries or property loss including loss of use or measurement data 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 Quest European Service Laboratory Foreign purchases should contact the local Quest authorized sales agent for details 053 644 Rev D eg4 amp eg3 67 Appendix A This page left blank intentionally 053 644 Rev D eg4 amp eg3 APPENDIX 68 Appendix B Glossary of Terms Glossary of Terms Background Noise effects of Background noise can cause considerable error in measurement when its level is high relative to the level of a noise source of interest If you can make measurements both with and without the contribution of a noise source of interest you can mathematically subtract the background noise from the combined measurement yielding the level of the noise sour
29. bined level of sound from independent measurements made for two noise sources is given below 1 Make independent measurements for both noise sources where each exists without the presence of the other Determine the decibel difference between these two measurements Find that difference on the x axis of the figure below Find the point on the curve directly above this difference Read the corresponding value on the y axis for that point the Amount to Add Add this value to the larger of the two measurements Ota Bs Example Independent measurements for the two noise sources yielded levels of 90 dB and 91 dB For a difference of 1 dB the correction factor taken from the curve below is 2 5 dB Therefore the combined level when these two sound sources are present in the measurement area at the same time 93 5 dB Amount to Add dB Difference between measurements dB Crest Factor Crest Factor is the ratio of the instantaneous peak value of a wave to its RMS value This is a performance specification of a meter s ability to process signals that have peaks that are substantially higher than their RMS averages Criterion Level CL Criterion level is the average SPL that will result in a 100 dose over the Criterion time usually 8 hours The Criterion Level is typically set by a regulating agency such as OSHA and is not usually applicable for community noise monitoring Examples OSHA mandates the Criterion Level maximum allo
30. button see Figure 3 1 page 17 Next click on the Command tab and click Update tab 4 To update the Edge software from Quest s server ensure Quest Web Server is checked e Or if updating from a Disk click on File on Disk 5 Click on the Update button This will take a couple minutes e The status field will display the previous firmware version and then updated firmware version Lastly it will state it is completed Identity 9 Clear Set Time Edge Setup Edge Units Set Time Tab EdgeDock 5 Edge selected ME Mark beta This tab updates the firmware of an individual instrument 1 Only a single charger may be connected 2 The instrument must be in the first bay of the charger TE Laura s EG4 I the device selection checkboxes are not used 3 The update cannot be cancelled once started lt empty bay gt lt empty bay gt lt emply bay gt Firmware File Location Select e Quest WEB Server C File on Disk Firmware location Progress Upd ate Update i Status Figure 3 15 Updating Edge Firmware 053 644 Rev D eg4 amp eg3 36 This page left blank intentionally 053 644 Rev D eg4 amp eg3 CHAPTER 4 37 Overview of running a study Running and operating your dosimeter As explained in Chapter 3 the view of your display is customizable via QSP I W NOTE The subsequent sections show examples of views which you may have disabled on yo
31. cation Military applications Regulatory compliance e OSHA MSHA IEC ACGIH NANNANAA eg4 amp eg3 CHAPTER 2 7 Checking the equipment The Edge Models Getting started This chapter is designed to guide you through basic information you will need to begin logging your studies 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 so you can quickly get started with your noise studies NOTE Depending on the accessories you selected the dosimeter may have the following components For the docking stations you will either have an EdgeDock1 or an EdgeDock5 For more information on parts accessories please refer to www questtechnologies com USB cable connects EdgeDock to the PC wl a EdgeDockt Edge e microphone and windscreen attached e mounting clasps attached raat K n a DEER II software Sader Universal charger Extra windscreen for P lt q adapter Power supply microphone cord for the docking station Figure 2 1 Identifying your equipment 053 644 Rev D eg4 amp eg3 8 Turning on LED indicator Turning on 1 To turn on the Edge press the on off and enter Gah button M The Edge splash screen see Figure 2 3 for an example page 10 will appear indicating the model i e eg4 or eg3 and firmware version The screen will be in the m
32. ce of interest alone The accuracy of this determination improves as the difference between the two measurements increases To remove background noise 1 2 ee Obtain a measurement that includes the contribution of the noise source of interest the combined measurement Make a second measurement under exactly the same conditions as in Step 1 but without the presence of the noise source of interest the background noise measurement Determine the decibel difference between these two measurements Find that difference on the x axis of the figure below Find the point on the curve directly above this difference Read the corresponding value on the y axis for that point the correction value Subtract the correction value from the combined measurement Example Measurements with and without the noise source of interest are 91 dB and 90 dB respectively For a difference of 1 dB the background noise correction value is 7 dB Therefore the level for the noise source of interest without the noisy background is 84 dB Background nose correction db 10 cS II La fa Ln Oh zl E Vi E Difference between measurements dB 053 644 Rev D eg4 amp eg3 69 Appendix B Glossary of Terms Combining Noise sources Because sound levels are measured in decibels they cannot be simply added together A sound level of 90dB plus 90dB does not yield 180dB but rather 93dB The procedure for mathematically determining a com
33. ching the windscreen and microphone 1 First unscrew the windscreen by turning the red ring not the foam in a counterclockwise direction e If you are replacing the windscreen screw on a new windscreen in a clockwise direction until it fits firmly 2 To unscrew the microphone turn the microphone in a counterclockwise direction until it is removed e To attach a new microphone screw the microphone on clockwise until it fits tightly The following diagram illustrates how to assemble these two devices N s lt 4 Microphone see procedure 2 N Windscreen see procedure 1 Figure 6 1 Microphone and windscreen assembly 053 644 Rev D eg4 amp eg3 57 Appendix A Hard Hat Attachment Kit The following instructions explain how to assemble and attach the hard hat kit to a standard hard hat A B Hard Hat Attachment kit A Epaulette mount B Hard hat mount Using a 3 32 hex wrench twist the top shoulder bolt counterclockwise to loosen and remove the bolt and the clip Also remove the bottom clip with the hex wrench Once the bottom clip is removed place the shoulder bolt back into its place and tighten back up with the hex wrench Shoulder bolt E Hex wrench 2 Place the epaulette mount see A above into the top bracket of the Edge Then slide the bolt into place and tighten with a hex wrench Then the epaulette mount snaps onto the bottom shoulder bolt E Shoulder bolt y Epaule
34. cked Edge oan 23 eg4 amp eg3 vi List of Figures Figure 3 5 New Hardware wizard for Edge DOCK ccccseccsecneeceeeeeeeeeeaeeeeeeeeeseeaeeeeeeaeeeeeseetaeeaeetanegegs 24 Figure 3 6 Setting up Dosimeter parameters s ssssessesrerrerresrrtrttrttrttrt trto rt errn rr eta eetaeetaeetaeetaeeteneees 26 Figure 3 7 Status Update message in QSP I scjiinccccaecedsieaeaededeaudedudeaaiededeacdededvacdenadunaa ven novvaney eevee 26 Figure 3 8 Changing the display via AE E IS 27 Figure 3 9 Setting the Edge to start automaticallv ci ecccccceeeeeeeteeeteeeeeeeeeeeeee esse sees etaeetaeetaeeesenees 29 Figure 3 10 SECUre LOCK e Le BE 30 Foure Sa re Seting identity Ned BEE 31 NE PE E AEE E A E E E E cen tant E E E E Tener 32 Figure 3 13 Clearing KR nee Een EE 33 Figure 3 14 Seting dateand timet QSP EE 34 Figure 3 T5 Updating Edge Tan TEE 35 Figure 4 1 Quick help list for running EC De KEE 37 Figure 4 2 Attaching the Edge on your shoulder ANN 38 FOUA Batey leen Sraa a a ae a T ER E 39 FOUE A SE lee O DEE A 40 PIQUE PAB SOAS Ee EE 41 Figure 4 6 Resetting the Edge from the Keypad cccecccecceecseeceeceeeeeeaeeeeeeaeeeeesaeeeetaeseeeeeetaneaeetanegegs 41 Figure 4 7 Changing the contrast from the keypad cccccssccsecsseceeessseseessreceeseresenserecenserastaeensersseness 42 Figure 4282 Display Screen WIE TUNNO neiaa aaa suaiwais vealnnsdanditadendedadurndedniundennianaursae 43 Faure 4 9 SOCKS SCEPC TUN EE 46 F
35. cking station in order to charge the dosimeter s USB connector Attach the USB connector to communicate with the dosimeter s Charge Contacts Placing the dosimeter s onto the charge contacts allows charging and communication Table 2 2 EdgeDockl1 and EdgeDock5 components EdgeDocki or EdgeDock5 The EdgeDock1 and EdgeDock5 are powered by a 12 volt charger adapter Figure 2 5 illustrates the assembly of the charger adapter and the plug adapter It slides into place by guiding it down the back cavity opening of the power supply M NOTE the example is a typical adapter which may be different than the one you are using Mechanically it will function similarly A Charger adapter B Slide plug adapter into the crevices of base Figure 2 5 Attaching the charger adapter with the plug adapter 053 644 Rev D eg4 amp eg3 13 Docking station functionality Powering EdgeDock1 or EdgeDock5 Powering EdgeDock1 or EdgeDock5 gt Powering EdgeDock1 or EdgeDock5 1 Assemble the charger adapter and plug adapter as illustrated in Figure 2 5 It will be the same process for an EdgeDock5 2 Plug the charger adapter directly into the wall electrical wall plate 3 Plug the opposite end into the power connector or jack of the EdgeDockl M NOTE an amber solid light will appear indicating power to the charger D Charger adapter cord EdgeDock1 LED indicator Amber light indicates ON Figure 2
36. d be changed to more closely match the response of the human ear OSHA currently uses a 5dB exchange rate which would mean that the reported DOSE would double with every 5dB increase in the time weighted average The exchange rate affects the integrated reading LAVG DOSE and TWA but does not affect the instantaneous sound level 053 644 Rev D eg4 amp eg3 71 Appendix B Glossary of Terms Field Calibration vs Factory Calibration pre calibration post calibration To be sure the dosimeter is functioning within specified tolerance limits it should be returned to the factory annually for a factory recalibration To verify that the dosimeter is measuring properly during normal use field calibrations should be performed Pre calibration is performed prior to any data being recorded by the dosimeter During a pre calibration the dosimeter level may be adjusted to match the calibrator output level Post calibration is a simple verification that the instrument has remained in calibration throughout the measurement period Free field setting microphone Measurements made in an area without sound reflections diffractions and absorptions caused by nearby objects including the operator Sound waves are free to spread out continuously like ripples on a pond without reflection When making free field measurements with a dosimeter set up for use as a sound level meter the microphone is typically pointed directly at the sound source Hearing Co
37. d waves are coming from all directions including reflections and diffractions When the dosimeter is being used as a sound level meter in an area where reflections and diffractions from nearby objects are present use the Random Incidence Corrector with the microphone and angle the microphone at approximately 70 degrees Most personal noise dosimetry applications do not require the random incidence corrector since they are not measured with a Class Type 1 microphone Response Time The response determines how quickly the unit responds to fluctuating noise Fast has a time constant of 125 milliseconds Slow has a time constant of 1 second Example Typically noise is not constant If you were to try to read the sound level without a response time the readings would fluctuate so much that determining the actual level would be extremely difficult Using a response of slow or fast simply smoothes the noise fluctuation and makes the sound level easier to work with While the terms Slow and fast have very specific meanings time constraints they work very much as you would expect The fast response would result in a more fluctuating sound level reading than would the slow response The OSHA regulations require the slow response RMS Root Mean Square The RMS voltage of a signal is computed by squaring the instantaneous voltage integrating over the desired time and taking the square root Simply put the RMS values are the results from the dosimeter wi
38. easurement view LED Indicator 90 9 dR If icon is fully shaded this indicates full ER Battery indicator icon 986 2 H battery power approx 50 hours View Displays measurement values battery information and calibration information Figure 2 2 Powered on with measurement view displayed LED indicator There is a three color LED indicator on the Edge located to the right of the Quest globe 053 644 Rev D eg4 amp eg3 Q Turning off LED indicator Table 2 1 explains when and why the LED indicator color will appear NOTE The LED indicator can be disabled via QSP II see section Explanation of setting LED in QSP II page 25 LED indicator Explanation A flashing red LED indicates the dose has exceeded the alarm level A flashing amber LED indicates the dosimeter is stopped and has not exceeded the dose alarm level A flashing green LED indicates the dosimeter is running and has not exceeded the dose alarm level Table 2 1 LED indicators explained Navigating Once the dosimeter is Powered On press the up down Ay arrows to navigate through the measurement values and battery run time Turning off 1 Press and hold the on off and enter button MI 3 2 and 1 countdown will appear as the dosimeter is powered off M NOTE To halt the power off mode simply let go of the on off enter button 053 644 Rev D eg4 amp eg3 10 Usplav and keypad Diagram Display and keyp
39. ee 18 FAS FDIS EONS EE 19 VIEWS ON TNE E e CN 20 Definitions Of data log values and views ccccececeeeeeeeeeeeeeeeeeeeetetetetatauaneenens 20 DOC KUNG ME 23 Communicating amp downloading data 23 Customizing set up parameters IN QSP II cccsssessceesnseesnessnenenes 25 POSIMELET SUING REN 25 Display setting CUSTOMIZING your views 27 AWO Re TL EE 28 Programming the Edge to auto Start amp stop a study 28 Security setting secure lOCK during your mun 29 Clearing Me eene EE 33 SOE UIC SOLU EEN 34 QSP I1 Updating Edge Tmmmware rannin A A 35 CHAPTER 4 RUNNING AND OPERATING YOUR DOSIMETER 37 Overview Of running a study 222222 55222 2 5 37 Positioning tne Eage On YOUR SAM EEN 38 Checking patery DOW EE 39 CAND FACING EE 40 Resetting the dosimeter serrer saina E E A 41 Setting contrast ON dosimeter ainara A A 42 RR ll Une E d TL E 43 SAE ECH d Te EE 43 053 644 Rev D eg4 amp eg3 iv Table of Contents SCOPPING aS VT VE 44 Indicators I CONS ON the display cccccececeeeeceeeeeeeeceeeeeeeeeeeseeeeeaeeeeeteeeeaneess 44 Viewing measurements on the display ssssss2222222 45 Locking or securing your dosimeter during mun 45 LOCKING OF SCCUNING EE 46 Ballet d e aa a a 46 CHAPTER 5 VIEWING YOUR STUDIES IN QSP II ees NK Eck 47 Retrieving your studies into QSP I1 cccccccececeeeteteeeeeeeeeeavaveueeeetereeeeaeauaneenens 47 Where your s
40. eee ee eee cece 65 Contacting Quest Re lge ele UE 65 Rugg Re pn e 65 UE ee Uu a ER OO APPENDIX B GLOSSARY OF TERMS KREE ERRERRE KREE RER ERR u een OG List of Figures Figure 1 12 Saliple Measurement GISOlay EE Figure 1 2 Illustration of how the dosimeter operates ANd processes cceccseecseeceeeeeeeeeeeesaeeeeeeeeeeeseeens Figure 1 3 Parameter setup screen for AO EE Foure 2 1 ldentitying VOUS UDF E EEN Figure 2 2 Powered on with measurement view displayed ccccesceeceecceeeeeeeeeeeeeeeeeeeeeeeteeeeeeteeseetaees Foure 2 3 e e E KE VD dd KEE 10 Slab 6 0 2 Blo el Ueerememeg tan a N aren aren ear nine nin ere ep TTT rere Tenn nea TET Tr Ter nna TT 11 Figure 2 5 Attaching the charger adapter with the plug adapter ssssnesnsrnsreresrrrerrsrerrsrrrrerrsrererrere 12 Figure 2 6 Attaching charger adapter to EdgeDOCck sss essssrssrssrnsrrsrnsrrsrrnrrnrrrrnrrnrrnnrnsrerrnreerrerrerne 13 Figure 2 7 Docking the Edge on the FOTOEN e tee au estate Ee EEN dE 14 Figure 2 0 Bacnside OM EdgeDOCK stcictuncted tedoscsatedesegehtdedesabelenua Mae ea i eiee 15 Figure 3 1 Edge setup and retrieve data buttons ssessesrerresrnsrnsrnsrrsrrsrrsrrsrrnrrnrrnrrnnrnrrsrrsrrerrerrennt 17 Figure 3 2 Sample summary data from QSP I reporting cccceecsecceeeeeeceeeeeeeeeaeeeeeaueeeeeaeeeeereteeaees 18 Figure 3 3 Sample time history data or logged data chat 19 Figure 3 4 Communicating connecting a do
41. el recorded during a measurement interval Unlike the maximum level the peak is detected independently of dosimeter settings for response rate or weighting e Under OSHA regulations unprotected workers may not be exposed to peak sound levels greater than 140dB L Minimum sound level The lowest sampled sound level during the ASMN oF measurement interval allowing for the unit s Response Time setting Fast or Slow Table 3 2 Dosimeter measurement descriptors variants 053 644 Rev D eg4 amp eg3 23 Docking Communicating amp downloading data Docking Communicating amp downloading data By using your docking station USB cable software and your dosimeter you can quickly communicate between the software and the dosimeter There are two methods for communicating which are Send setup data Enables you to configure your set up parameters in QuestSuite Professional II QSP II and download these parameters to the Edge Retrieve data you have the capability to retrieve the data from the dosimeter into QSP II in order to view and analyze your studies in QSP II s charts graphs and reporting functionality How to connect your dosimeter to the computer Dock the dosimeter on the EdgeDock1 or 5 and turn on the dosimeter by pressing the on off enter button Ml NOTE See charging your dosimeter on page 14 Plug the USB cable into the computer See A in Figure 3 4 Plug the opposite end into the
42. erage sound level the time period is no longer explicitly needed A TWA of 90 dB Is the equivalent of 100 dose The dose will double halve every time the TWA increases decreases by the Exchange Rate Example OSHA uses an Exchange Rate of 5 dB Suppose the TWA is 100 dB The dose would double for each 5 dB increase over the Criterion Level of 90 dB The resulting dose is therefore 400 If the TWA was instead equal to 80 dB then the dose would halve for each 5 dB below the Criterion Level The resulting dose would be 25 When taking noise samples less that the full workday dose is an easy number to work with because it is linear with respect to time Example If a 0 5 hour sample results in 9 dose and the workday is 7 5 hours long then the dose for the full workday would be a 135 dose 7 5 0 5 x 9 This is computed making the assumption that the sampled noise will continue at the same levels for the full 7 5 hour workday Exchange Rate ER also known as the Doubling Rate Exchange rate refers to how the sound energy is averaged over time Using the decibel scale every time the sound energy doubles the measured level increases by 3dB This is the 3dB exchange rate that most of the world uses For every increase of 3dB in the time weighted average the measured DOSE would double Some organizations such as OSHA in the U S have argued that the human ear self compensates for changing noise levels and they felt that the 3dB exchange rate shoul
43. ese levels are known as the Noise Floor of the instrument The Noise Floor can cause inaccurate measurements at low measurement levels Measurements must always be at least 5 dB above the Noise Floor to be valid Therefore the lowest valid measurements of the dosimeter are approximately 40 dB on A Weighting and 50 dB on C Weighting Peak Level Peak is the highest instantaneous sound level that the microphone detects Unlike the Max Level the peak is detected independently of the unit s Response Time setting Fast or Slow Example The peak circuitry is very sensitive Test this by simply blowing across the microphone You will notice that the peak reading may be 120 dB or greater When taking a long term noise sample such as a typical 8 hour workday sample for OSHA compliance the peak level is often very high Because brushing the microphone over a shirt collar or accidentally bumping it can cause such a high reading the user must be careful of placing too much emphasis on the reading 053 644 Rev D eg4 amp eg3 73 Appendix B Glossary of Terms PEL Permissible Exposure Level The A weighted sound level at which exposure for a Criterion Time typically eight hours accumulates a 100 noise dose Projected Time The variable amount of time used to make a projected dose calculation from an actual dose measurement Random incidence microphone This only applies to Class Type 1 microphones Measurements made in an area where soun
44. evel exceeds a preset level the Upper Limit Response Level Typically noise is not constant Using a response of Slow or Fast simply Fast Slow smoothes the noise fluctuation and makes the sound level easier to work with e Slow 1 second 1 000 milliseconds or msec e Fast 0 125 second 125 milliseconds Run Time The overall time of your noise study Weighting A and C weighting are types of frequency filters that cover the frequency range A C of human hearing 20Hz to 20 kHz e A weighting The A weighted filter attempts to make the dosimeter respond closer to the way the human ear hears It attenuates the frequencies below several hundred hertz as well as the high frequencies above six thousand hertz A weighted measurements are often reported as dBA e C weighting provides a fairly flat frequency response with only slight attenuation of the very high and very low frequencies C weighting is intended to represent how the ear perceives sound at high decibel levels and is often used as a flat response when LINEAR is not available C weighted measurements are often reported as dBC Table 3 1 Dosimeter parameters and definitions continued 053 644 Rev D eg4 amp eg3 22 Views on the Edge Definitions of data log values and views Edge Memory storage symbol e eg4 The eg4 model displays the total memory storage remaining in hours and minutes For example if it dis
45. h Gaj Current time Specific time Specie tne Set Date Time 053 644 Rev D aA Pe 1S PM Taning dite and fie bo b s A Dar rei errai Figure 3 14 Setting date and time in QSP II Click on the Select All button under Edge Units if using one dosimeter Or select by expanding the Edge Docking Station and click the appropriate dosimeter s if using the EdgeDock5 To set date time you have two options Ensure Current system time button is selected this is the default setting and will pull the date and time based on your pc settings Or click Specific time button if you wish to customize the date and time of your pc and select the date and time from the drop down lists Click Set Date Time button to send this new setting to the instrument eg4 amp eg3 35 Customizing set up parameters in QSP II QSP II Updating Edge firmware QSP II Updating Edge firmware Latest firmware e software releases are available in the Setup screens via the Update screen When updating only one dosimeter can be updated at a time and must be updated in bay 1 of an EdgeDock5 For users with an EdgeDock1 this will not be a concern Please follow the steps below and refer to Figure 3 15 gt How to update 1 Ensure the Edge Is turned on docked in bay 1 and the USB cable is connected from the pc to the EdgeDock 2 From the welcome screen of QSP II select the Edge and click on the Setup
46. igure 5 1 Communicating between your pc and the Edge ccecseeecseeseeeseeeeeeeeeeeeeeeeeeeereeeeaeetaeetanees 47 Figure 5 2 Retrieve Data Screen I ET RE 48 Figure 5 37 Viewing your studies rom Eeer ee ee tee ANARAN AARE eh daer 49 Fig re 5 4 Downloaded studies nals heat ble Set Be elle atc Fats EA Sas Bata Ba nana a erecta ae cae ca vce A 50 Figure 5 5 Viewing layout view charts and graphs in Ob 52 Figure 5 6 Saving a customized template of the layout view Charts QrapNs ccccceeceeeceeeeeeeeeeeeeeees 53 Figure 5 7 Sample Edge Report in Ob 54 Figure 6 1 Microphone and windscreen assembhy eee eeteeeeeeeeeeeeeeeeee essa etaeetaeetaeeeneneas 56 List of Tables Table KT Ree ae EI e WEEN 9 Table 2 2 EdgeDockl and EdgeDockS components sssssssrsrernsrnrrrrrrrnrrrrnrrnrrsrrrrsrnrrerrsrernrrerrrrererrn gt 12 Table 3 15 Dosimeter VIEWS and definitions EE 20 Table 3 2 Dosimeter measurement descriptors variants sssssssssesresrrsrrsrnsrnsrrsrrsrrsrrnrrrrnrreeresrerreree 22 Table 4 1 Indicators i e run stop battery and OL EE 44 Table 5 1 Downloading data in QSP II explained s sssssrssrssrserrerrrrnsrnsrrsrnsrrsrrnrrrrnrnsrnsrnsrrerrereereeree 51 Table 5 2 Explanation of panels graphs and charts components sssssssrssreresrerrerrsrerrrrnrrerrsrerrerrre 52 053 644 Rev D eg4 amp eg3 CHAPTER 1 1 Dosimetry Introduction Dosimetry Measuring noise in the work
47. imetry Applications of the Edge Applications of the Edge The Edge has a cable free mounted microphone that converts sound pressure into an electrical signal This signal is conditioned monitored and integrated over time in order to provide a host of automatically calculated values that can be used in occupational and environmental noise assessments Programmable parameters permit the Edge to serve many applications The Edge can be used in the following applications Kl As a personal noise dosimeter Used to measure a worker s daily exposure to noise levels This information can be used to ensure compliance with OSHA MSHA ACGIH IEC or your own customized parameter settings to determine if your workers are over exposed to noise As a time history monitor Used to provide a worker s minute by minute noise exposure levels This data can help you identify major contributors to the average daily noise exposure As a survey monitor l Throughout a plant facility used to oversee noise levels Te EE mee throughout an entire facility You can identify machines and erter ee Date Time equipment which produce harmful noise levels 2 Specific areas in a plant facility used to identify key areas as noisy and implement noise control options Employees may be exposed to unacceptable noise levels Peak Measurement 121 20 dB As a peak dosimeter Used to detect the highest level of instantaneous sound pressure H P
48. ing is intended to represent how the ear perceives sound at high decibel levels and is often used as a flat response when LINEAR is not available C weighted measurements are often reported as dBC Z is zero weighting with no weighting across the frequency range of human hearing LINEAR is thought of as having a flat frequency response curve over the entire measurement frequency range LINEAR is most commonly found on upper model sound level meters and is typically used when performing octave band filter analysis op TT Te TI H RE ac Hs Let Li III 10 20 30 Af Ku Relative Response dB oS oe z CET da Re Aa RS NAR J 5 10 20 30 100 20 500 ik 2k Ek 10k 20k Frequency Hz 60 70 Upper Limit UL A type of measurement parameter setting in which the user selects a certain decibel level The dosimeter will then record the amount of time that the sound level was at or greater than the preset level This time is then recorded as UL Time Windscreen A windscreen is a covering for the microphone that reduces disturbances caused by wind and direct contact with other surfaces The windscreen is placed over the microphone when taking measurements to help prevent false high readings due to wind blowing across the microphone or objects hair clothing etc brushing against the microphone The windscreen will also help protect the microphone from dust and debr
49. is 053 644 Rev D eg4 amp eg3 76 Appendix B Glossary of Terms Measurement equations The following equations are used in the Edge calculations Some of the terms used in these equations are explained in Table B 1 while others are explained above in the Glossary of Terms section 100 S DOSE jRTIME LS CL ER 4 ke TC Prd D 8 hours Ss RTIME Prt D Ka x hours RTIME O Prd E LS 3 01 4 Dae ER log J dt log2 RTIME dB 053 644 Rev D eg4 amp eg3 77 Index INDEX A Attaching MACE CG Cine eege eet 38 Auto On Ee Ae 28 B Background Noise effects of SHINEE RE 68 Battery E et ne HEEN 39 Battery charge status ccccceeceeeeeeeees 44 Battery Indicator ICON cccseeeeeeeeeeees 39 C Calibrate your meter 40 Calibration IDEA 71 Charging ACI EE 11 CIC Al Cale EE 33 34 Combining Noise sources BITTEN 69 Communicating Edge giele 11 Crest Factor Dermed enana 69 Criterion Level CL BETE ME 69 Criterion Time Rate EE 70 D Date OMI EE 34 Decibel dB DEEM ee 70 DOCKING station c cscccccsseseeeseeeeeeeeeees 23 COMPONENTS EE 12 Dose Defined WEE 70 Dose indicator ED 25 Dose Indicator LEID 9 053 644 Rev D Dosimeter 1 amp 2 Seting EE 27 Doubling Rate Riet 70 Biel ele EE 23 Downloaded nocde 48 E Edge POSITIONING DEE 38 Edge Dock New hardware wizard 24 ECQE DOCK E 47 EdgeDock1 and EdgeDockb 23
50. meter views and definitions 053 644 Rev D eg4 amp eg3 21 Views on the Edge Definitions of data log values and views Edge Time weighted average is the sound level in dB that is accumulated for any time period but with its average level computed over an 8 hour period TWA is usually measured with A weighting Slow response and a 5dB exchange rate e All sound levels at or above the threshold level cutoff level are averaged into the calculations relating to noise exposure TWA is calculated with no cutoff with cutoff 1 typically 80db or with cutoff 2 typically 90db If the time period is less than 8 hours the TWA will be less than the LAvg If the time period is more than 8 hours the TWA will be more than the LAvg LAE Sound Exposure Level SEL The sound exposure level averages the sampled sound over a one second period Assuming the sampled run time to be greater than one second SEL is the equivalent one second noise that would be equal in energy to the noise that was sampled SEL is typically measured using a 3dB exchange rate without a threshold Lae is not used by OSHA Dose Related to the Criterion Level a dose reading of 100 is the maximum allowable exposure to accumulated noise For OSHA 100 dose occurs for an average sound level of 90 dB over an 8 hour period or any equivalent exposure Please see Glossary of Terms for more details page 70 Upper Limit is the amount of time that the sound l
51. n Retrieving your studies from QSP II these studies are automatically stored under the node titled Downloaded and a generic name Is assigned to your data e Analogy The concept of storing files is similar to how your inbox works in Microsoft Outlook In Outlook the files are automatically sent to a general inbox and it is up to you to organize your mail into subfolders Likewise with QSP II once the files are imported they are stored in a general inbox called Downloaded node With a simple right click you can quickly rename the file and create a user friendly filing system to manage your studies Control Pane A filing system which stores all of the data i e noise studies My Data y Instruments A section of the screen om Gl The Eae _ Select a meter and then called pane used to PE vm HE use it to retrieve data manipulate your imported studies Expand to view Downloaded setup parameters and set date and time Downloaded node e Click on the to expand the tree view e Your noise studies are stored here Figure 5 3 Viewing your studies from QSP I 053 644 Rev D eg4 amp eg3 50 Where your studies are stored Viewing your Edge data in QSP I gt How to retrieve past data studies 1 From the start up screen in QSP II choose Acoustics from My instruments section Select the Edge dosimeter Select the Retrieve Data 0 2 button Click on the Load fr
52. n Hepnort Threshold enabled Threshold enabled R Random incidence microphone BIE a WE Reset fhemeter Resetting in OP 33 Response Time Ru a KEE RMS weighting SEI FALUN MGIC ALON EE RUM MOOS E Running a study EINEN Running studies SIDS siete eee ee ee S Securing SEUNG E Securing TUN MOJE EE SEL eg4 amp eg3 79 Index Bd RE 73 Se En E 32 Settings Named SetU cane 26 Sound pressure cccccceeeeseeeeeeeeeeeeeeaeeees 3 Splash screen 8 Standardo eas ou mcettetdansdnaaetedacass 3 Status update message cceeeeeeeeees 26 Stop a noise study ccecseeeeeeeeeeeeeeees 44 SOMO le EE 44 SONNO TE See eea rr 49 Studies Viewing in OP 50 Symbol Battery power CIOCK esceeseeeeeees 22 Ee TEE 22 Memory storage 22 T Threshold Defined eebe aisetence ege Ee eee ated 74 Enable disable 000nnnnnannnnnnennnnnnannnnn 26 053 644 Rev D Threshold enabled 55 Time SELIG ME 34 35 TWA Bee WEE 74 U Unlock M de saaa eee ce ceste Se 46 WMOCKING ae oes 46 oper kimit BI NEE 75 USB CAD G srccectecris da scons ceed haus Second ecetae 23 47 V WHEW Ee 20 W Weighting A C Z etc Beneden aa ash atas 15 Windscreen BI EE 15 eg4 amp eg3 Quest Technologies a 3M company is a world class manufacturer and leader in the field of occupational safety industrial hygiene and environmental instrumen tation Quest products are used in more than 80 countries
53. ng then the key indicator will disappear 2 To stop your study press the on off enter button and the 3 2 1 will display as it ends the study a To download and view your results in QSP II please see Chapter 5 053 644 Rev D eg4 amp eg3 CHAPTER 47 Viewing measurements on the display Retrieving your studies into QSP II by Viewing your studies in QSP II The focus of this chapter is to discuss how to view your studies via QuestSuite Professional II software The first section explains how to retrieve your studies from the dosimeter and the subsequent sections will then walk you through viewing organizing and customizing your Studies NOTE You have the option of six different languages in QSP II including English German French Spanish Italian and Portuguese Retrieving your studies into QSP II Loading your studies entails loading the software docking the Edge and navigating to retrieve data button in QSP II The software will then automatically pull your noise studies from the dosimeter into QSP II also called downloading 053 644 Rev D gt 1 How to load your studies Ensure QuestSuite Professional software is downloaded M Follow the install directions on the cd Dock the dosimeter and connect it to your pc using the USB cable see Communicating and downloading data on page 23 for procedures Figure 5 1 Communicating between your pc and the Edge Power on the Edge b
54. ng 14 F to 122 F 10 C to 50 C Storage 13 F to 140 F 25 C to 60 C Humidity Range 0 to 95 Non Condensing User Interface Display Size 128 X 64 graphic Keypad 4 keys Up arrow down arrow run stop on off enter 053 644 Rev D eg4 amp eg3 60 Appendix A EdgeDock1 and EdgeDock5 EdgeDock1 and EdgeDock5 are powered by a 12 volt charger adapter with international plug adapters The backside of the Edge slides into the hook of the EdgeDock1 or EdgeDock5 with the mounting clasps rotating to a 90 degree angle which will rest on a table work area Additionally the EdgeDock1 or EdgeDock5 are equipped with two single screw slots for wall mounting purposes Physical attributes of EdgeDock1 and EdgeDock5 LED amber indicator Indicates EdgeDock1 or EdgeDock5 Is powered on Lower of the 2 shown led s LED Red indicator and Signifies status of charging Flashing red indicates LED Green indicator charging Solid green indicates charging is complete Size of EdgeDock1 2 75 x 2 75 x 2 2 6 99 cm x 6 99 cm x 5 6 cm 2 75 275 T 275 a gt Size of EdgeDock5 12 75 x 2 2 x 2 75 32 29 cm x 5 08 cm x 6 99 cm 2 75 053 644 Rev D eg4 amp eg3 61 Appendix A Measurements Types Displayed Data and SPL Average value Layg Or Leg Maximum value Lyx status indicators Minimum value Lun Peak Value Lal Exposure Run Time TWA UL Time Measurement p
55. nservation HC The Occupational Safety and Health Administration OSHA and Mine Safety and Health Administration MSHA provide regulatory standards for hearing conservation programs In addition the American Conference of Governmental Industrial Hygienists ACGIH provides industrial standards for hearing conservation programs http www osha gov _ http www msha gov http www acgih org home htm Hertz Hz Unit of vibration frequency in cycles per second Lavg Average Level Lavg is the average sound level measured over the run time This becomes a bit confusing when thresholds are used Any sound below the threshold is not included in this average Remember that sound is measured in the logarithmic scale of decibels therefore the average cannot be computed by simply adding the levels and dividing by the number of samples When averaging decibels short durations of high levels can significantly contribute to the average level Example Assume the threshold is set to 80 dB and the Exchange Rate is 5 dB the settings of OSHA s Hearing Conservation Amendment Consider taking a one hour noise measurement in an office where the A weighted sound level was typically between 50 dB and 70 dB If the sound level never exceeded the 80 dB threshold during the one hour period then the Lavg would not indicate any reading at all If 80 dB was exceeded for only a few seconds due to a telephone ringing near the instrument then only those second
56. ocking or securing your dosimeter during run 053 644 Rev D As explained previously under QSP I set up parameters the security or lock feature is designed to lock the meter during run to ensure the study will not be stopped unless the lock feature is disabled Setting this feature is programmed via QSP II Please see security setting secure lock feature page 29 for more details eg4 amp eg3 46 Viewing measurements on the display Locking or Securing Locking or Securing gt How to lock or secure 1 Turn the dosimeter on and press the run stop Go button to begin logging your study 2 To enable the lock press run stop button three consecutive times within one second intervals M The Lock screen will appear Key indicator Indicates dosimeter is locked while running Padlock icon Secure all Figure 4 9 Locking Securing run NOTE If lock secure run does not activate please check that locking is set up on your dosimeter Please see How to set up secure lock page 30 for further details Unlocking gt How to unlock 1 To unlock press run stop GD button 3 consecutive times within one second intervals and then press the on off enter button a Ifthe padlock icon and the key indicator were on the screen these will vanish and the measurement view will appear along with the run indicator b If you enabled the lock feature with the key indicator showing and the measurement view showi
57. of the dosimeter NOTE The battery time remaining measurement can be disabled from the view of the meter See Chapter 3 for explanation on changing the display Battery indicator icon When fully shaded this DI MSHA 2 indicates full battery life re a 48 52 LAS 73 6dB Battery time remaining LASMxX 115 9dB TH 80 ER 5 CL 90 SLOW A Figure 4 3 Battery indicators 053 644 Rev D eg4 amp eg3 40 Overview of running a study Calibrating Calibrating 053 644 Rev D Quest Technologies recommends to calibrate your dosimeter before you run your study ies and after your study ies to ensure highly accurate measurement results The steps below address how to calibrate for either a pre or post calibration gt Calibrating the dosimeter 1 Remove the windscreen from the dosimeter by unscrewing it See Figure 6 1 for an illustration page 51 2 Ensure the Edge is turned on and in the stop mode See Turning on page 8 and Turning Off page 9 3 Slide the Edge into the mouth of the calibrator V NOTE ensure the adapter ring is inserted into the mouth of the calibrator before you slide the Edge into the cavity 4 Turn on the calibrator and ensure parameters are set to 114 dB and 1000 Hz See calibration manual for operation details wi CAL flashes Figure 4 4 Calibrating 5 CAL will flash on the display when detected 6 Press the on off enter button to trigger the calib
58. om File tab see Figure 5 2 and then select Extract Previously Downloaded File zum Dutton M QSP II will display a prompt indicating if your file was retrieved M When completed close the retrieve screen M To view your retrieved study see Figure 5 4 Viewing your Edge data in QSP I1 gt How to view studies in QSP II Expand My Data node by clicking on the sign On the Downloaded node click on the sign to expand the node file cabinet M Your Noise studies will display under the folder system 3 Next click on Session folder then click on the Noise Study which is indicated with a red book icon WM NOTE Refer to Table 5 1 for detailed explanation of QSP I1 s filing system SI Downloaded te Organizer Node Lei pee ae Session i A j Data is stored under a session GE ei beta 0001 Expand to view study ies ro Edge 12 07 session Study file H Meter Contig Once selected the bi pane view of QSP II will display L 3 Si FIDL Ress charts and graphs called eS Study 2 Back Press panels on right side of screen Figure 5 4 Downloaded studies 053 644 Rev D eg4 amp eg3 51 Where your studies are stored Viewing your Edge data in QSP II Used to organize your noise studies When studies are first retrieved downloaded they are stored under the Downloaded Node You can organize your studies into topics as you may do with your email system or yo
59. ots eda i ib IG CO LUISA aihio EEan EAR iirin hake Tune RS L sgt Suel ui Less 053 644 Rev D eg4 amp eg3 5 Dosimetry Noise assessment steps Noise assessment steps 1 Perform a task based work flow analysis of unacceptable noisy areas and list regulations codes you will follow Observe facility areas and jot down areas of concern Check with standards and noise ordinance regulations in your region city ky See Chapter 1 for basic information on dosimetry and standards 2 Setting up your dosimeter parameters for your noise studies Customize measurement setup i e criterion level threshold weighting exchange rate etc See chapter 2 for getting started with your dosimeter See Chapter 3 for customizing your set up parameters ky See Chapter 6 for Noise study scenarios 3 Running your studies Calibrate dosimeter Attach the dosimeter Run observe and stop your studies Understand display indicators ky See Chapter 4 Running and operating the Edge 4 View your results via QSP II Working with Charts and Graphs Organizing and saving your studies ky See Chapter 5 to view measurements with QuestSuite Professional Il 5 Develop corrective actions Engineering redesign tools implement changes in workstation Administrative job sharing rotations redefinition of job functions reduce duration operating tool equipment and or implement medical surveillance 053 644
60. parameters in QSP II Clearing the dosimeter Clearing the dosimeter To clear your data also referred to as resetting your data ensure your Edge Is docked and you are viewing the setup screen in QSP II gt How to clear reset your data 1 From the setup button in QSP II s Edge screen click on the Commands tab Next select the Clear tab 3 Ensure Select All is checked and or the dosimeter is checked if using more than one bay click on the appropriate dosimeters 4 Click on the Clear memory button SJB of dea Memory QSP II will state that it successfully cleared the dosimeter in the Status field Clear tab e GC a res le bel Tee al Lihi Thre bab cheers mimar Op ell dalectod matumuents Edge selected Clear memory Figure 3 13 Clearing the dosimeter 053 644 Rev D eg4 amp eg3 34 Customizing set up parameters in QSP II Set Time setting Set Time setting As you begin using the Edge you will want to set the date and time which is performed via QSP I setup There are two methods to set the time parameters which are explained in the steps below gt How to clear reset your data 1 Ensure the Edge is turned on docked and the USB cable is connected from the pc to the EdgeDock 2 From the welcome screen of QSP II select the Edge and click on the Setup button see Figure 3 1 page 17 3 Next click on the Command tab and click Set Time tab Set Time Tab Edge selected FYB sini pts Lea
61. place is an important element of hearing conservation programs and noise reduction programs With a noise dosimeter you can assess and determine a worker s daily exposure to noise levels This information can be used to ensure compliance EE with regulatory bodies or to ensure LAVG 108 6dB LTWA 96 9dB if hearing conservation programs TH 80 ER 5 CL 90 SLOW A are needed oa ERS ga SLOWA To get you started quickly with the Edge the first chapter is dedicated to introducing basic noise dosimetry terms and information The Subsequent chapters will guide you through setting up the dosimeter running studies and assessing your results with easy to follow steps and illustrations Figure 1 1 Sample measurement display 053 644 Rev D eg4 amp eg3 2 Dosimetry Noise dosimeter Noise dosimeter What Is a noise dosimeter and how does it compute measurements Essentially a noise dosimeter is composed of the following a microphone with a preamplifier a weighted network fast or slow response time an internal clock calculator and memory to store logged data The illustration below is a diagram of a basic noise dosimeter The microphone will when exposed to a sound pressure generate an electrical signal The Signal will be increased by a preamplifier and then is regulated to an applicable level by the range control dB range The signal then goes through a filter set or weighting system The next circuit is
62. plays the memory symbol 181 50 this represents 181 hours and 50 minutes of memory storage remaining on the dosimeter eg3 The eg3 model displays the memory by indicating the remaining number of studies it will store into memory For example if the eg3 displays 50 this indicates you can store 50 studies on the dosimeter Note the difference is because the eg3 model does not data log Calendar symbol The calendar symbol and calendar field displays the day month year Battery power clock symbol The battery power clock symbol identifies the number of hours and minutes of battery time remaining on the dosimeter Table 3 1 Dosimeter parameters and definitions continued Edge Measurement descriptors variants The following is an explanation of the Edge descriptors and equivalents for Lmax Lmin amp Lpk Descriptors Variants _ _ gt Z gt Lmax variants Sound pressure level is the basic measure of noise loudness expressed in decibels In QSP II this is noted as SPL Lasmx Maximum sound level is the highest sound level recorded during a measurement interval with a particular response setting Slow or Fast and weighting A or C LMax is the highest value that is included in LAvg or dose calculations e Under OSHA regulations unprotected workers may not be exposed to maximum sound levels greater than 115dB measured with a Slow response rate LcPK Peak Level is the highest instantaneous sound pressure lev
63. r than 90dB The Hearing Conservation Amendment 1983 uses an 80dB threshold and calls for a hearing conservation program to be put in place if the eight hour TWA exceeds 85dB 50 dose The Hearing Conservation Amendment is the more stringent of the two rulings and is what most US industrial users are concerned with Example With an 80dB threshold suppose you placed a 79dB calibrator on the unit for a period of time Because all of the noise is below the threshold there would be no average you can think of it as an average of 0dB If the calibrator were 80dB instead then the average would be 80dB On histogram printouts typically 1 minute or other specified increment averages are printed Because real noise fluctuates it is quite possible to have an average level below the threshold This also applies for the overall Lavg TWA Time Weighted Average The time weighted average always averages the sampled sound over an 8 hour period TWA starts at zero and grows The TWA is less than the Lavg for a duration of less than eight hours exactly equal to the Lavg at eight hours and grows higher than Lavg after eight hours TWA represents a constant sound level lasting eight hours that would result in the equivalent sound energy as the noise that was sampled Example Think of TWA as having a large 8 hour container that stores sound energy If you run a dosimeter for 2 hours your Lavg is the average level for those 2 hours consider this a smaller 2
64. ration display 7 To match the values on the calibration display press repeatedly the up or down arrow in order to select the exact output on the calibrator i e 114 dB 8 When you have selected the appropriate dB level press the on off enter button e A shaded bar will appear loading your calibration information Then a Summary calibration screen will appear indicating the db level with date and time displayed SCH 9 To return to the measurement view screen press the on off enter Q 10 To end the calibration steps turn off the calibrator Detach the dosimeter from the calibrator eg4 amp eg3 41 Overview of running a study Resetting the dosimeter Resetting the dosimeter The Edge can be reset through the dosimeter keypad or via QSP II The steps below outline how to reset your dosimeter gt Reset 1 Ensure the meter is Off 2 Turn the meter on by pressing the on off enter button 3 When the splash screen appears press and hold the run Stop and on off enter buttons until the splash disappears Edge Splash screen TE ET SE TETEE Figure 4 5 Splash screen 4 The Setup menu appears on the Edge Press the up or down arrow to select the reset icon E symbol WM NOTE Setup menu Is used to reset the dosimeter change the contrast and return to the main view Arrows and enter key Indicates the valid keys are selected Reset icon Checkmark icon Is the selection to exit the set
65. s will contribute to the Lavg resulting in a level perhaps around 40 dB notably lower than the actual levels in the environment Lep d Daily personal noise exposure level 053 644 Rev D eg4 amp eg3 72 Appendix B Glossary of Terms Leq Equivalent Level The true equivalent sound level measured over the run time The term LEQ is functionally the same as LAVG except that it is only used when the Exchange Rate is set to 3 dB and the threshold is set to none Logging Also called Data Logging Certain measurements such as average level Lavg and maximum level max can be recorded by the dosimeter at regular intervals For example A dosimeter is set to log Lavg and max at one minute logging intervals If the dosimeter runs for one hour then it would log 60 Lavg results and 60 max levels You would be able to see the average and maximum levels for each minute of the one hour run time Maximum Level Lmax The highest sampled sound level during the instrument s run time allowing for the unit s Response Time setting Fast or Slow Measurement Range The decibel range within which the unit s measurements are valid Minimum Level Lmin The lowest sampled sound level during the instrument s run time allowing for the unit s Response Time setting Fast or Slow Noise Floor In a Perfectly Quiet room the electrical noise produced by the microphone is approximately 35 dB on A weighting and 45 dB on C weighting Th
66. shown in the display Indicators icons on the display 053 644 Rev D The Edge is equipped to notify you of operational status updates These indicators or alert notices are located on the top right hand side of the screen Table 2 2 explains the function of each indicator Icon Stop indicates the dosimeter is currently in the stop status opposed to run Run indicates the dosimeter is currently logging a study Battery charge status When completely shaded in black this indicates full battery power If half shaded this represents 1 2 battery power OL Overload will appear whenever the input signal exceeds the range of the dosimeter Table 4 1 Indicators e run stop battery and OL eg4 amp eg3 45 Viewing measurements on the display Locking or securing your dosimeter during run Viewing measurements on the display The up down arrows on the keypad of the dosimeter enable you to move through the various measurements For specific information on the views of the Edge please see Views on the Edge page 20 gt Viewing measurements 1 Press the up arrow aN or the down arrow S This will move you through the views on the display M NOTE Ifyou enabled only one measurement to appear on the display when you press the up down arrows it will not show any other measurement values To enable additional measurement settings see Customizing measurement settings in QSP II page 2 L
67. t will display as Lcr For further details please see Table 3 2 EDGE e Sound pressure level is the basic measure of noise loudness expressed in decibels In QSP II this is noted as SPL Maximum sound level is the highest sound level recorded during a measurement interval with a particular response setting Slow or Fast and weighting A or C LMax is the highest value that is included in LAvg or dose calculations e Under OSHA regulations unprotected workers may not be exposed to maximum sound levels greater than 115dB measured with a Slow response rate Peak Level is the highest instantaneous sound pressure level recorded during a measurement interval Unlike the maximum level the peak is detected independently of dosimeter settings for response rate or weighting e Under OSHA regulations unprotected workers may not be exposed to peak sound levels greater than 140dB Minimum sound level The lowest sampled sound level during the measurement interval allowing for the unit s Response Time setting Fast or Slow Average sound level in dB computed for a chosen time duration based on a 4 5 or 6dB exchange rate Luc with a 3dB exchange rate is referred to as LEQ equivalent sound level All sound levels at or above the threshold level are averaged into the calculations relating to noise exposure Le Is typically calculated with no threshold with a threshold of 80dB or with a threshold of 90dB Table 3 1 Dosi
68. ter icona when the Session or Study data is displayed in the chart and tables panels When the Generate Reports Icon is selected the following screen will appear Saker et en Matery sha Zb Leg Seier Een ZE Figure 5 7 Sample Edge Report in QSP I eg4 amp eg3 55 Appendix A CHAPTER 6 Technical Support LED indicator disable enable Some users may prefer to turn off the LED indicator 053 644 Rev D T To disable this feature open QSP II and select the Setup button On the dosimeter tab under Dose indicator LED uncheck the following Dose Indicator LED DD E Alarm Enable i Heartbeat Enable Alarm enable Will disable the flashing red LED when the threshold entered exceeds the designated value during run mode If checked red LED will flash Heartbeat enable Will disable the flashing green LED the dosimeter is running If checked a green LED will not flash NOTE For more information see section on Dosimeter Settings page 25 eg4 amp eg3 56 Replacing microphone and windscreen Attaching Detaching Replacing microphone and windscreen Attaching Detac hing The Edge features a field replaceable microphone and a screw on removable windscreen Quest suggests that the user replace the windscreen whenever dirt has accumulated on the windscreen prior to measuring data NOTE Ifyou ordered an Edge kit extra windscreen s will be included in your Case gt Attaching Deta
69. th the response time and weighting settings taken into account SEL Lxe Sound Exposure Level The sound exposure level averages the sampled sound over a one second period Assuming the sampled run time to be greater than one second SEL is the equivalent one second noise that would be equal in energy to the noise that was sampled SEL is typically measured using a 3dB exchange rate without a threshold SEL is not used by OSHA Example Suppose you wanted to measure in a location next to railroad tracks which also happened to be in the takeoff path of an airport A train passes by taking 10 minutes with an average sound level of 82dB A jet passes overhead taking 45 seconds with an average level of 96dB Which of these events results in more sound energy You can answer the question by comparing their SEL readings which compress each event into an equivalent one second occurrence SEL for the train 109 7dB SEL for the jet 112 5aB 053 644 Rev D eg4 amp eg3 74 Appendix B Glossary of Terms Threshold The threshold affects the Lavg TWA and Dose measurements All sound below the threshold is considered nonexistent noise for the averaging and integrating functions The threshold does not affect measurements in the sound level mode OSHA uses two different thresholds The original Occupational Noise Exposure Standard 1971 used a 90dB threshold and called for engineering controls to reduce the noise levels if the eight hour TWA was greate
70. the response circuit which controls the dampening of the readout The response choices are typically Slow or Fast Finally the results will display on the dosimeter screen For computation and storage the clock tracks the sampling time Dosimeters record how long sound levels exceeded a set upper limit The calculator computes an L avg a dose a TWA and other data The memory stores all times calculations and measurements For post processing QSP II is used to view and analyze your measurement results with the option to view and or print reports el x Lei imme i L I z p L y i LT a 2 ppm _ a i e lp M pe 2 e D aen B epp ot Mic amp Range control Apply filters Ge Measurement Preamp 70 140dB A or C weighting esponse results on the Edge q E P T ee gt Sr e Clock Calculator File storage system QSPII Manage setup and create graphs charts and reports Figure 1 2 Illustration of how the dosimeter operates and processes 053 644 Rev D eg4 amp eg3 3 Dosimetry Range of sound Range of sound Sound pressure Is measured in decibels or tenths of a Bel Sound pressure level is indicated as dB SPL Since the human ear can detect sounds with an extensive range of amplitude a decibel scale is used to simplify the measurement results For example the ratio between the threshold of hearing and threshold of pain in the human ear if measured in true energy is 10 000 000
71. times The same range using the dB scale is 0 140 dB referenced to 20 uPa Micropascals The quietest sound that humans can hear has an amplitude of approximately 0 dB Prolonged exposure to sound pressure levels exceeding 85 dB can cause permanent damage to the ear Sound levels in excess of 130 dB are more than the human ear can safely withstand and can result in serious pain and permanent damage What do the standards say Many organizations have studied and analyzed the effects of high sound exposure on hearing As a result standards were developed to regulate personal noise exposure In the United States the Occupational Safety and Health Administration OSHA the Mine and Safety and Health Administration MSHA and the American Conference of Governmental Industrial Hygienists ACGIH have all created regulations and limitations on total permissible noise exposure International standards are specified by the health and safety regulations such as the European Union EU Directive 2003 10 EC Additionally the International Electrotechnical Commission EC IEC 61252 has specific guidelines and regulations to monitor noise in the workplace To access these copyrighted standards please refer to the following OSHA http www osha gov MSHA http www msha gov NIOSH http www cdc gov niosh topics noise ACGIH http www cdc gov niosh topics noise EC http www iec ch NANANANAWN 053 644 Rev D eg4 amp eg3 A Dos
72. ton Available T emplates Quest Session Defauk 1 F H Apply Template 2 Apply Template button NoisePro Study at Quad Graphics P Set Default Template Delete Template Import Export Figure 5 6 Saving a customized template of the layout view charts graphs 053 644 Rev D eg4 amp eg3 54 Saving your customized layout charts graphs Creating reports Creating reports QSP II reports are saved in Adobe PDF format for easy viewing and printing NOTE The report will print in the order that the panels charts graphs appear on your computer screen To rearrange click on the title of a chart or table drag and drop a chart table on the title bar of a panel O If your cursor displays this icon Q it indicates the panel 053 644 Rev D cannot be dropped into the current position of your cursor If your cursor displays this con it indicates the panel can be inserted into the current position of your cursor Viewing and printing reports Generating a Session or Study Report Right click a Session 2 or Study and select Print Session from the menu e The report will dock under the study node e To remove right click the report and click Delete Report e To save the report in an alternative folder directory e on your desktop and then you can email it and share the information select Save As and add it to a directory or folder on your pc or network fg Alternatively select the Prin
73. tte 3 Slide the two prongs of the hard hat mount see B above underneath the epaulette mount see A above until it clicks into place Hard hat mount attachment The two prongs slide into the bottom cavity 4 Taking the Edge with the assembled hard hat attachments slide into the side of hard hat It will fit snuggly into the hard hat opening Slide the two sided prongs into the hard hat opening 053 644 Rev D eg4 amp eg3 APPENDIX 58 Appendix A A SPECIFICATIONS All specifications subject to change Standards Pending testing approvals on the following e ANSI 1 25 1EC61252 Standards for Personal Sound Exposure Meters e Lead Free ROHS compliant Mechanical characteristics Housing Plastic case with black gray check background and red outlined buttons Size 3 5 long x 2 1 wide x 75 thick without microphone 88 mm long x 53 mm wide x 19 mm thick Weight 2 5 oz less mounting device 70 87 gr 053 644 Rev D eg4 amp eg3 59 Appendix A Electrical characteristics Battery Life Approximately 60 hours of continuous operation at normal operation under reference to environmental conditions when full capacity batteries are installed Type Lithium Polymer Flat cell Memory capacity 180 hours Environmental effects The typical time interval needed to stabilize after changes in environmental conditions is 5 minutes for each 10 C change Temperature Operati
74. tudies are stored ccssccsscesceesceesseeeeesceeseeeeeesnenaneeaens 49 DOWMIOAGEC Node resisa eoa a a a sy aw ieuis eat aerials 49 Viewing your Edge data in ER sees gE ENEE ege Eh 50 Adding panels Charts graphs sssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 53 Saving your customized layout charts graphs ccsssessesesssenenes 53 GCrEATING Tepos eeteieeeeeeeeE ee 54 VIEWING ana DONNA FED OMS ge ovevetexc a seta iiansetate 54 CHAPTER 6 TECHNICAL SUPPORT csccesecscscsesesseseeeneseseeseeeseees 55 LED indicator leie 55 Replacing microphone and windecreen ee KREE KREE KK 56 Attaching DETACHING eetan saesGa sacs dsueatiesnaaeh E Sorbets 56 APPENDIX A SPECIFICATIONS ccscscscseseseesenesceesseseeeseseeeseaeess 58 Standards E 58 Mechanical characteristics sssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 58 Electrical characteristics oasgessgegeege geseis 59 Bate ee e 59 Environmental effects zauveeegeessuus eneen geed E Es 59 dee 59 053 644 Rev D eg4 amp eg3 053 644 Rev D US Gr Interface EE DO RI 59 Eeer ee Ee 59 EdgeDock1 and EdgeDOCk 5S ssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn OO Physical attributes of EdgeDockl and EdgeDock5 snsssnsnsnsnsnrrrererererrrrrrerens 60 Mik OL Kier 61 MEASUFEMENE parameter S se svecseveeretus idiniin eiaa aaa a 61 Sergio le 62 Igel Leg E 62 BIO CK DIGIE Iana A yma nenarasnieurmelnastaant 63 Qu st Sri Carcieri ae enn ne we eee wee ek
75. up menu Figure 4 6 Resettina the Edge from the keypad 5 Press and hold the on off enter button a A3 2 1 countdown will appear and then a shaded bar will appear indicating the dosimeter is being reset 053 644 Rev D eg4 amp eg3 42 Overview of running a study Setting contrast on dosimeter 6 Press the down arrow until the checkmark icon is selected denoted by the arrows Then press the on off enter GA button to return to the measurement view screen Setting contrast on dosimeter gt Contrast 1 Ensure the meter is Off 2 Turn the meter on by pressing the on off enter button 3 When the splash screen appears press and hold the run stop and on off enter Gch buttons See figure 4 5 for splash screen 4 The Setup menu appears on the Edge Repeatedly press the arrow key until the Contrast symbol is selected W NOTE Setup menu is used to reset the dosimeter change the contrast and return to the main view Arrows and enter key Indicates the valid keys are selected Contrast icon Checkmark icon Is the selection to exit the setup menu Figure 4 7 Changing the contrast from the keypad 5 Next press the on off enter button 6 A number will appear on your display i e 50 Press the up or down arrow to increase or decrease the contrast of the Edge 7 Press on off enter Gah button to accept the new contrast value 8 To return to the measurement view screen press the down arro
76. ur computer files e Right click to display the menu options rename find delete add a node combine a node export In a table format this displays the set up parameters i e thresholds peak logging auto run etc or meter configuration of the particular study Noise A session folder stores one study or a series of studies 2 Session A number of studies in a session file depend on the number of studies Run Stops that are stored in the dosimeter when you retrieve data The data will stay on the dosimeter until you clear it A session folder will list group summaries of the study data For example if you have three studies under the session folder and the highest peak value was 139 2 dB the session folder would list the highest Peak value within the three studies as 139 2 dB To review the results of the particular study you would expand out the session folder and analyze the appropriate study data A noise study is comprised of data from one sampling performed when you press Run then Stop on the dosimeter Once selected you can customize the panels charts graphs and reporting features e Right click to display the menu options export print report Session If you created a report this will store as an Acrobat eport Adobe pdf file under the study file Table 5 1 Downloading data in QSP I explained 4 The right side pane displays graphs and charts which are customizable via the layout icon
77. ur dosimeter Please refer to Chapter 3 Setting up the Edge via QSP Overview of running a study The list below is a brief overview of the steps for running a study 2 Reset the dosimeter o This will clear out all of the data history before your study begins to ensure you have sufficient memory space on the Edge 3 Set up your study parameters via QSP II 4 Calibrate the dosimeter 5 Attach the dosimeter for your personal noise study 6 Press the Run Stop GO button to start the study 7 When you are ready to end your study press the Run Stop BD button to stop the study 8 Review your results either on the meter or download to QSP II for further analysis graphs charts saving and printing Figure 4 1 Quick help list for running a study 053 644 Rev D eg4 amp eg3 38 Overview of running a study Positioning the Edge on your shirt Positioning the Edge on your shirt Depending on what accessories you ordered with the Edge you may have either clips on the top and bottom of the dosimeter or some other type of mounting device Please refer to Appendix A Contacting Quest page 52 gt How to attach the dosimeter 1 Clip the dosimeter on your shirt and ensure the microphone is positioned as high on your shoulder as possible and away from your neck a If the noise seems to come from one direction place it on the shoulder closet to the noise source b During monitoring keep clothing from
78. w and press the on off enter button 053 644 Rev D eg4 amp eg3 43 Running studies Starting a run Running studies With a couple pushes on the keypad buttons you will be running and viewing your study les Following your study ies you can load the data files into QSP I to manipulate analyze save and create reports See Chapter 5 for viewing your logged data in QSP I1 Starting a run gt How to run a noise study 1 If your dosimeter is turned off press the on off enter button to power on 2 Press and hold the run stop button e A3 2 1 countdown will appear 3 When running the following will appear A run indicator will appear on the top right side The LED indicator will flash green unless you disabled this in QSP II Flashing green LED indicates running Battery indicator Measurements D1 Setup 1 e Use up down arrow Run indicator to move through LTWA 96 9 dB Appears when running values DOSE 966 2 e Views are ag op op customizable via e i QSP II setup TH 80 ER 5 CL 90 SLOW A Figure 4 8 Display screen while running 053 644 Rev D eg4 amp eg3 44 Stopping a study Indicators Icons on the display Stopping a study While the dosimeter is running you can end the study by pressing and holding the stop button gt How to stop a noise study 1 While running press and hold the run stop GO button a A 3 2 1 countdown will appear b The stop indicator HB will be
79. wable accumulated noise exposure to be 90 dB for 8 hours For an 8 hour sample an average level LAVG of 90 dB will result in 100 dose For the OSHA HEARING CONSERVATION AMENDMENT the action level is 85 dB for 8 hours This would result in a 50 dose reading Note that the Criterion Level has not changed If the Criterion Level were changed to 85 dB then an 8 hour average of 85 dB would result in 100 dose 053 644 Rev D eg4 amp eg3 70 Appendix B Glossary of Terms Criterion Time The time over which the Criterion Level is established generally 8 hours Decibel dB Sound Level Meters use the decibel as the unit of measure known as Sound Pressure Level SPL SPL uses the ratio between a reference level of 20 microPascals 00002 Pascals and the level being measured SPL 20 log measured level reference level Example the SPL for 1 Pascal is 20 log 1 Pascal 00002 Pascal 94dB 20 microPascals 00002 Pascals is considered the average threshold of hearing A whisper is about 20 dB A normal conversation is typically from 60 to 70 dB and a noisy factory from 90 to 100 dB Loud thunder is approximately 110 dB and 120 dB borders on the threshold of pain Dose Related to the Criterion Level a dose reading of 100 is the maximum allowable exposure to accumulated noise For OSHA 100 dose occurs for an average sound level of 90 dB over an 8 hour period or any equivalent exposure By using a TWA reading rather than the av
80. y pressing the on off enter Shl button From the start up screen in QSP II choose Acoustics from My instruments section Select the Edge dosimeter Select the Retrieve Data button Click on Select All under Edge Units if using EdgeDock1 eg4 amp eg3 48 Viewing measurements on the display Retrieving your studies into QSP II M If you are using EdgeDock5 click on the appropriate dosimeter name which appears under Edge Units section e beta 001 Instrument download screen Load from file screen Select All Or Click in specific dosimeter s checkbox Download Figure 5 2 Retrieve Data screen in QSP II 7 Optional step if you wish to change the location of where your data is stored on you pc click on Change location button Navigate to the appropriate directory or folder or click on create new folder and create a new folder then click Ok 8 Click on Download button M In the status field it will state download is successful WM Then a clear the memory prompt will appear Click yes to clear the memory or click no if you wish to save the data on the dosimeter 9 The studies will load and dock under Downloaded node M NOTE Additional features in retrieve data screen 053 644 Rev D eg4 amp eg3 49 Where your studies are stored Downloaded Node Where your studies are stored Downloaded Node When you sync the dosimeter to the software and retrieve the files into QSP II as explained above i

Quest Edge eg3 and eg4 personal noise dosimeters user manua

Contents

Download Pdf Manuals

Related Search

Related Contents