3M eg3 manual

User Manual MODELS eg3 and eg4 3M Occu pati ona l Heal th & Env iron me ntal Safet y Divi sio n 3M™ The Edge P erso nal No ise Dos im et er The Edge models eg4 and eg3[...]

i Table of Conten ts 053-644, Rev E Page i eg4 & eg3 Chapter 1: Intr oduction ................................................................... 1 Dosimetry ........................................................................................ 1 Noise dosimete r ................................................................................[...]

Table of Contents 053-644, Rev E Page ii eg4 & eg3 ii Chapter 3: Settin g-up the Edge via D MS ...................................... 16 Noise studies ................................................................................. 16 Understanding w hat data is store d .............................................. 16 Summary data ...........[...]

Table of Contents 053-644, Rev E Page iii eg4 & eg3 iii Starting a run ............................................................................................... 37 Stopping a study ............................................................................ 38 Indicators/Icons on t he display ..............................................[...]

Table of Contents 053-644, Rev E Page iv eg4 & eg3 iv EdgeDock1 an d EdgeDock5 .......................................................... 51 Physical attributes of Edge Dock1 and EdgeDo ck5 ........................................... 51 Measurements ............................................................................... 52 Types .......[...]

List of Figures 053-644, Rev E Page v eg4 & eg3 v Figure 1- 1: The Edge and dosim etry ................................................................................................ .. 1 Figure 1- 2: Illustrati on of how the do simeter operates and pro cesses .................................................. 2 Figure 1- 3: Parameter set up s[...]

1 Dosimetry 053-644, Rev E Page 1 eg4 & eg3 Chapter 1: Introduction Measuring noise in the workplace is an important element of hearing conserva tion programs and n oise reduction programs. With a noise dosimeter, you can asses s and dete rmine a worker’s daily exposure to n oise levels. This information can be used to ensure compliance with [...]

Dosimetry Noise dosimeter 053-644, Rev E Page 2 eg4 & eg3 2 What is a noise dosimeter and how does it compute m easurements? Essentially, a noise dosimeter is composed of the following: a micr ophone with a preamplifier, a weighted ne twork, fast or slow resp onse time, an interna l clock, calculator, and memory to store lo gged data. The illus[...]

Dosimetry Range of sound 053-644, Rev E Page 3 eg4 & eg3 3 Sound pressure is mea sured in decibels, or tenths of a Bel. Sound pressure level is indicated as dB SPL . Since the hum an ear can detect sounds with an extensive range of amplitude, a decibel scale is used to simplify the m easurement r esults. For example, the ratio between the thr e[...]

Dosimetry Applications o f the Edge 053-644, Rev E Page 4 eg4 & eg3 4 The Edge has a c able-free , mounted microphone tha t converts sound pr essure into an electrical signal. This signal is conditioned, monitor ed, and integrated over tim e in order to provide a host of autom atically calculated values that can be u sed in occupa tional and en[...]

Dosimetry Noise asse s sment step s 053-644, Rev E Page 5 eg4 & eg3 5 1. Perform a task- bas ed work flow analysis o f unacceptable “noisy” areas an d list regulations/co des you will fo llow.  Observe facility/areas and jot do wn areas of concern  Check with standards and no ise ordinance r egulations in your region /city.  See Ch[...]

Dosimetry The Edge Models 053-644, Rev E Page 6 eg4 & eg3 6 Quest Technologies offers two Edge models . The “eg 4 ” model fe atures two virtual dosimeters with data logging . Once the par ameters are set and saved in the dosimeter, you can monitor two differen t dosimeters by a single pr ess of the Enter bu tton. This will toggle you betwee[...]

Checking the equipment The Edge Models 053-644, Rev E Page 7 eg4 & eg3 7 Getting started This chapter is designed to g uide you through ba sic information you will need t o begin logging your studies. If your instrument was sent to you in a storage ca se, you will want to rem ove all the packaging and acquaint yourself with the following equ ip[...]

Turning on LED indica tor 053-644, Rev E Page 8 eg4 & eg3 8 1. To turn on the Edge, press the on /off and enter button.  The Edge splash screen (see Figure 2 -3 for an example, pa ge 10 ) will appear indicating the model ( i.e. “eg4” or “eg3 ” ) and firmware version . The screen will be in the measurement vi ew . Figure 2-2: Powered [...]

Turning off LED indica tor 053-644, Rev E Page 9 eg4 & eg3 9 Table 2-1 identifies when a nd why the LED indicato r color will appear.  NOTE: The LED indicator can be disabled via DMS (see section, “ Dose indicator LED ” page 25 ). Table 2-1: LED indicators explained Once the dosi meter is “Powered - On”, press the up/down ar rows to [...]

Display and ke ypad Diagram 053-644, Rev E Page 10 eg4 & eg3 10 The keypad is used to run and stop your studies, view your measurem ent values, and power on and off the do simeter. The following diagram exp lains the features on t he display and keypad. Figure 2-3: Edge Keypad Display (Splash screen show n)  View data and va rious indicators[...]

3MTMDetection Mangement Software (DMS) Loading 053-644, Rev E Page 11 eg4 & eg3 11 3M TM Detection Managemen t Software (DMS) is a softwar e applica tion designed by 3M Quest that runs under th e Windows operating system. You can use DMS for a variety of functions related to the Edge do simeter an d with many other 3M Quest instrum ents. DMS ha[...]

Docking station functionality Docking station com ponents 053-644, Rev E Page 12 eg4 & eg3 12 The table below explains the EdgeDock1 or EdgeDo ck5 LED indicator s, power connector, USB connector, and conta ct pins. Table 2-2: EdgeDock1 and EdgeDock5 components The EdgeDock1 and EdgeDock5 are powered by a 12-volt charger adapter. Figure 2-5 illu[...]

Docking station functionalit y Powering EdgeDock1 or Ed geDock5 053-644, Rev E Page 13 eg4 & eg3 13  Powering EdgeDock1 o r EdgeDock5 1. Assemble the charger adapter and plug adap ter as illustrated in F igure 2 -5. (It will be the same process for an EdgeDoc k5.) 2. Plug the charger adapter dir ectly into the wall (electr ical wall plate). [...]

Docking station functionalit y Charging your dosimeter 053-644, Rev E Page 14 eg4 & eg3 14 The number of hours you have used your dos imeter from your last charge will impact your total charge time. For exa mple, if the battery clock indicator ( see “Checking the batte ry power” for more information) displays 20 hours remaining on th e batt[...]

Docking station functionalit y Mounting the docking statio n to a wall 053-644, Rev E Page 15 eg4 & eg3 15 The docking station is equipped with two single screw slots in case you wish to m ount the docking station to the wall. The figure below displays the bac kside of the single bay dock. Figure 2-8: Backside of EdgeDock1 To preserve the life [...]

Understanding what data is stored Noise studie s 053-644, Rev E Page 16 eg4 & eg3 16 Chapter 3: Setting -up the Ed ge via DMS The eg4 model com es equipped with two customizable u ser setups. The eg3 model has one customizable user setup. You have the o ption to customize the par ameters for threshold values, exchange r ate values, an upper lim[...]

Understanding what data is stored Summa ry data 053-644, Rev E Page 17 eg4 & eg3 17 Summary data represents values that occurred over the entire run of th e study. For an average value, such as Lavg, it r epresents the aver age decibel value over the entire run time. Peak and Max value s are the highest measur ements that occurred thr oughout t[...]

Views on the Edg e 053-644, Rev E Page 18 eg4 & eg3 18 Logging eg4 model only logs at one m inute intervals and includes the fo llowing measurem ents:  Meter 1 logs Lavg /L eq, Lcpk, and Lasmx  Meter 2 logs Lavg /L eq If the dosimeter run s for one h our, then it will log 60 Lav g/Leq results, and 60 L as max/Lcpk level s . In DMS, you ca[...]

Views on the Edg e Definitions of data log value s and vie ws 053-644, Rev E Page 19 eg4 & eg3 19 To set up the Edge and wor k with noise- level data, you will want to have a good understanding of the ter ms listed in Table 3 - 1. NOTE: The following table is based on A- weighted, slow measur ements. Thus, if y ou choose A or C-weighted with Fa[...]

Views on the Edg e Definitions of data log value s and vie ws 053-644, Rev E Page 20 eg4 & eg3 20 Views on the Edge Explanation L TWA Time-weighted average - is the sound le vel (in dB) that is accumulated for any time p eriod but with its average lev el computed over a n 8-hour period. TWA is usu ally measured with A-weig hting, Slow response,[...]

Views on the Edg e Definitions of data log value s and vie ws 053-644, Rev E Page 21 eg4 & eg3 21 Views on the Edge Explanation Memory storage sym bol – eg4: The eg4 m odel displays the total mem ory storage remaining in hours and m inutes. For exam ple, if it displays the memory symbol 181:50 t his represents 181 hours an d 50 minutes of mem[...]

Docking Commu nicating & downloadi ng data 053-644, Rev E Page 22 eg4 & eg3 22 By using your docking station , USB cable, softwar e, and your dos imeter, you can quickly communicate between the software and th e dosimeter. There ar e two methods for communicating which are:  Send setup data : Enables you to configure yo ur set-up par ame[...]

Docking Customiz ing set-up p arameters in DMS Commu nicating & downloadi ng data 053-644, Rev E Page 23 eg4 & eg3 23 4. For first time use of a do cking station, Welcome to the f ound new hardware wizard will appear ( see Figure 2-8) . Select No and press Next through the remaining wizard. At the e nd of the wizard, press Finish .  This[...]

Customizing set-up parameters in DMS Dosime ter setting 053-644, Rev E Page 24 eg4 & eg3 24 The Edge general settings ar e used to setup the in strument with basic par ameters. The eg4 mod el features two virtual dosimeter s in one with two customized, user -defined settings. P lease refer to the Edge dosimeter settings table below for an expla[...]

Customizing s et-up parameter s in DMS Dosimeter setting 053-644, Rev E Page 25 eg4 & eg3 25 Dosimeter settings for the Edge Name Field *Note: refer to Glossary for more detailed information. Heartbeat enable When enabled (or checked), the LED will flash green while running and flash amber when stopped. Response Either Slow Time Response or Fas[...]

Customizing s et-up parameter s in DMS Display se tting 053-644, Rev E Page 26 eg4 & eg3 26 The display screen is used to cu stomize the p arameters which will appear on your Edge. It is or ganized by two columns, the “Disp lay position” and the “Item to Disp lay” and include s a “Set selected Items ” selection/drop down box. T he d[...]

Customizing s et-up parameter s in DMS Security setting 053-644, Rev E Page 27 eg4 & eg3 27 The security setting is a type of “locking” feature (or secur e run featur e) that enables you to passwor d protect the instrumen t to prevent users from ina dvertently ter minating a study. Initially, th is feature is set through the software a nd t[...]

Customizing s et-up parameter s in DMS Auto Run setting 053-644, Rev E Page 28 eg4 & eg3 28 With the Edge auto run settin g, you may program up to two auto start and auto stop configurations when start date and duratio n parameters are enabled. T his may be use ful if you wish to pre -set the instruments to run an d stop for a specific time per[...]

Customizing s et-up parameter s in DMS Firmware upda te 053-644, Rev E Page 29 eg4 & eg3 29 Edge firmware updates ar e performed in DMS when the instruments are docked , communicating, and the update key is selected. Please follow the steps below prior to upd ating your Edge(s). Note: this feature enables you to u pdate all of your do cked Edge[...]

Customizing s et-up parameter s in DMS Saving and sending/setting configuration s 053-644, Rev E Page 30 eg4 & eg3 30 With the Edge, there are saved s etup profiles used to qu ickly access and app ly to The Edge(s). Bel ow explains how to save configu ration se ttings in DMS and how to sen d/set to the instrument. Note: if y ou wish to only sen[...]

Overview of ru nning a study 053-644, Rev E Page 31 eg4 & eg3 31 Running and o perating your dosimeter The focus of this chapter is to discuss the pr ocedures for running an d operating the Edge and includes positioning, calibrating , and viewing t he Edge measur ements. The list below is a brief overvie w of the steps for running a study . Fig[...]

Overview of r unning a stud y Positioning the Edge on your shirt 053-644, Rev E Page 32 eg4 & eg3 32 Depending on what acces sories you order ed with the Edge, you m ay have either clips on the top and bottom of the dosimeter or some other ty pe of mounting device . (Please refer to Appendix A , “Contacting 3M Que st”, page 59 ).  How to[...]

Overview of r unning a stud y Checking ba t tery po wer 053-644, Rev E Page 33 eg4 & eg3 33 Typically, the life of the batter y is approximately 60 + hours ( see Appendix A for specifi c specifications). The dosimeter can be charge d at any time by using your EdgeDock. There are two batte ry identifiers on the dosimeter which are the batter y i[...]

Overview of r unning a stud y Calibrating 053-644, Rev E Page 34 eg4 & eg3 34 3M Quest Technologies reco mmends to calibrate your do simeter befor e you run your study(ies) and after your study(ies) to ensure highly accurate measurement resul ts . The steps below address how to calibrate fo r either a pre o r post calibration.  Calibrating t[...]

Overview of r unning a stud y Re setting the do simeter 053-644, Rev E Page 35 eg4 & eg3 35 The Edge can be reset through the dosime ter keypad or via QS P-II. The steps below o utline how to reset your dosimeter .  Reset 1. Ensure the meter is O ff . 2. Turn the meter on by pressing the o n/off enter button. 3. When the splash screen appear[...]

Overview of r unning a stud y Setting con trast on dosim eter 053-644, Rev E Page 36 eg4 & eg3 36  Contrast 1. Ensure the meter is O ff . 2. Turn the meter on by pressing the o n/off/enter button. 3. When the splash screen appear s, pres s and hold the run/stop and on /off enter button s. (S ee figure 4-5 for splas h screen). 4. The Setup m [...]

Running studies Starting a run 053-644, Rev E Page 37 eg4 & eg3 37 With a couple pushes on th e keypad buttons, you will be running and viewing your stud y (ies). Following your study ( ies), you can load the d ata/files into QSP-II to manipulate, analyze, save, and create repor ts (See Chapter 5 for viewing your logged data in QSP -II).  Ho[...]

Stopping a study Indicator s/Icons on the d isplay 053-644, Rev E Page 38 eg4 & eg3 38 While the dosimeter is r unning, you can end t he study by pressing and holding the sto p button.  How to stop a noise study 1. While running, press and hold the run/st op button. a. A 3, 2, 1 countdown w ill appear. b. The stop indicator will be shown in [...]

Viewi ng measureme nts on the display Locking or secur ing your dosim eter during run 053-644, Rev E Page 39 eg4 & eg3 39 The up/down arrows on the keypad of the d osimeter en able you to move through the various measuremen ts. For specific informatio n on the views of th e Edge, please see “Views on the Edge”, page 18 ).  Viewing measur[...]

Viewi ng measureme nts on the display Locking or Se curing 053-644, Rev E Page 40 eg4 & eg3 40  How to lock or secure 1. Turn the dosime ter on and press the run/st op button to begin logging your study. 2. To enable the lock, p ress run/stop button three consecutive times wi thin one second intervals.  The Lock screen will appear. Figure[...]

Viewi ng measureme nts on the display Downloading data 053-644, Rev E Page 41 eg4 & eg3 41 The focus of this chapter is to discuss how to vie w your studies w ith the 3M TM Detection Management Software (DMS). The first section explains how to re trieve your studies from the dosimeter, and the subse quent sections will then walk you through vie[...]

Viewi ng measureme nts on the display Download ing data 053-644, Rev E Page 42 eg4 & eg3 42 4. In DMS’ start screen, choo se . Figure 5-2: DMS start screen 5. Select Noise Dosimetry (see 1) , Edge (see 2), a nd Edge 3-4 ( see 3) from th e family panel. 6. Select the docked Edge (s) to download by clic king in the chec kboxes by the Edge Dock-[...]

Viewi ng measureme nts on the display Viewing data and data finder page 053-644, Rev E Page 43 eg4 & eg3 43 8. Th e sessions (files) will load and post to the Data Finde r page under Family: Noise Dosimetr y heading.  Quick tip: click on the button and the data files will post directly under the spec ific family. Click on the file and se lec[...]

Viewi ng measureme nts on the display Report Vie w 053-644, Rev E Page 44 eg4 & eg3 44 The button provides a quick link to view/print the Edge data. To customize the data, refer to the next session, p anel view page.  Click to print the repor t. Figure 5-6: Example of Edge Report in DMS Edge, logged data chart displayed in DMS report (sc rol[...]

Viewi ng measureme nts on the display Panel Layou t View(char ts/graphs) 053-644, Rev E Page 45 eg4 & eg3 45 When you are in the data finder page (see above), select either the Analyze button or double-click on a session/study to view the data in charts and graphs as displayed in Figure 5-7. The measurements and parameters will be displayed in [...]

46 Technical Suppo rt LED indicator: disable/en able 053-644, Rev E Page 46 eg4 & eg3 Technical Support Some users may prefer to turn off the LED indicator .  To disable this feature, op en QSP- II and select the Setup button. On the dosimeter tab, under Dose % indi cator LED uncheck the fo llowing:  Alarm enable: Will disable the flashin[...]

Replacin g microphone and windscreen Attaching/De t aching 053-644, Rev E Page 47 eg4 & eg3 47 The Edge featu res a field replaceable microph one and a screw- on removable windscr een. 3M Quest suggests that the user replace the windscr een whenever dir t has accumulated on the windscreen prior to m easuring data. NOTE: If you ordered an Edge k[...]

48 Technical Suppo rt Hard Hat Attachment Ki t 053-644, Rev E Page 48 eg4 & eg3 The foll owing instruction s explain how to assem ble and attach the hard hat kit to a standard hard h at. 1. Using a 3 /32” hex wrench, twist the top shoulder bolt co unterclockwis e to loosen and remo ve the bolt and the clip. Also, remove the bottom clip with t[...]

49 Appendix A 053-644, Rev E Page 49 eg4 & eg3 SPECIFICATIONS **All specifica tions subject to change Pending testing approval s on the following:  ANSI S1.25, IEC61252 Standards for Personal Sound Exposure Meters.  Lead Free (RoHS compliant). Housing Plastic case with black, gray check background and red outlined buttons. Size 3.5” lon[...]

50 Appendix A 053-644, Rev E Page 50 eg4 & eg3 Life Approximately 60+ hours of con tinuous operation a t normal operation und er reference to environmental conditions when full capacity batt eries are insta lled. Type Lithium Polymer (Flat cell) Memory capacity 180 hours The typical time interval needed to stabilize after changes in environment[...]

51 Appendix A 053-644, Rev E Page 51 eg4 & eg3 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, t he EdgeDock1[...]

Appendix A 053-644, Rev E Page 52 eg4 & eg3 52 Displayed Data and status indicators SPL, Average value (L avg or L eq ), Maximum value (L mx ), Minimum value (L Mn ), Peak Value (L pk ), Exposure, Run Time, TWA, UL Time Dosimeters Up to two dosimeters at once (eg4), each with its own assignable profile (via QSP-II only). RMS Range 70 to 140 dB [...]

53 Appendix A 053-644, Rev E Page 53 eg4 & eg3 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. The Edg[...]

54 Appendix A 053-644, Rev E Page 54 eg4 & eg3 Analog Board[...]

55 Appendi x A Edge Blo ck Diagram (conti nued) 053 -644, Rev E Page 55 eg4 & eg3[...]

56 Appendi x A 3M Qu est Service 053 -644, Rev E Page 56 eg4 & eg3 Should your 3M Quest Technolog ies equipment need to b e returned for rep air or for recalibration, please conta ct the service depa rtment at the following number or access the online form via the website. F or technical issues , please contact Tech nical Support. Service Depar[...]

57 Appendi x B Glossary o f Terms 053 -644, Rev E Page 57 eg4 & eg3 Background Noise, effects of Backgroun d noise can cause con siderable error i n measuremen t when its level i s high relative t o the level of a noise source o f interest. If you can m ake measureme nts both with and wit hout the contribut ion of a noise so urce of interest, y[...]

58 Appendix B Glossary o f Terms 053-644, Rev E Page 58 eg4 & eg3 Combining Noise sourc es Because soun d levels are me asured in decibels they cannot be simply adde d together. A sound level of 90dB plus 90dB does not yie ld 180dB but rather 93dB. The procedur e for math ematically dete rmining a combined le vel of soun d from independent meas[...]

59 Appendix B Glossary o f Terms 053-644, Rev E Page 59 eg4 & eg3 Criterion Time The time o ver which the C riterion Level is est ablished, gen erally 8 hours. Decibel (dB) Sound Le vel Meters use th e decibel as the uni t of measure known as So und Pressure Lev el (SPL). SPL uses the rati o between a ref erence level of 20 microPascals (.00002[...]

60 Appendi x B Glossary o f Terms 053 -644, Rev E Page 60 eg4 & eg3 Field Calibration (vs. Factory Calibra tion), pre-c alibration, post-cali bration To be sure th e dosimeter is fu nctioning with in specified t olerance limits, it sh ould be returned t o the factory an nually for a fact ory recalibration . To verify that the dosimeter is measu[...]

61 Appendi x B Glossary o f Terms 053 -644, Rev E Page 61 eg4 & eg3 Leq (Equivalent Le vel) The true e quivalent soun d level measured ov er the run t ime. The term LEQ is functio nally the same as LAVG except that it is only u sed when the Exchan ge Rate is set to 3 dB and the t hreshold is set t o none. Logging (Also called Dat a Logging.) Ce[...]

62 Appendi x B Glossary o f Terms 053 -644, Rev E Page 62 eg4 & eg3 PEL (Permissible Ex posure Level) The A-weigh ted sound lev el at which exposure fo r a Criterio n Time, typically eigh t hours, accumul ates a 100% noise do se. Projected Time The variabl e amount of ti me used to make a project ed dose calculation from an actual dose measurem[...]

63 Appendix B Glossary o f Terms 053-644, Rev E Page 63 eg4 & eg3 Threshold The thresh old affects th e Lavg, TWA, and Do se measuremen ts. All sound below t he threshol d is considered no nexistent noise for the averagin g and integra ting functions. The threshold doe s not affect measu rements in t he sound level mode. OSHA uses two dif feren[...]

64 Appendi x B Glossary o f Terms 053 -644, Rev E Page 64 eg4 & eg3 Weighting (A, C, Z, e tc.) “A”, “B”, “C”, “Z” and LINEAR are t he standard weigh ting network s available. These a re frequency filters th at cover the frequ ency range of hu man hearing (20Hz to 20 kHz). “A” weigh ting is the mo st commonly used filter in b[...]

65 Appendi x B Glossary o f Terms 053 -644, Rev E Page 65 eg4 & eg3 The foll owing equations are used in the Edge cal culations. Some of the terms used i n these equat ions are explain ed in Table B- 1 whi le others are explai ned above in the “Glossary of Terms” sect ion.   % ) /( ) ( dt ER CL LS 2 R TI M E 0 TC 100    DO S [...]

Index 053-644, Rev E Page 66 eg4 & eg3 66 INDEX A Attaching the Edge ............................................................. 32 B Background Noise, effects of Defined ............................................................... 57 Battery Checking ............................................................. 33 Battery charge status ..[...]

Index 053-644, Rev E Page 67 eg4 & eg3 67 M Maximum Level Defined ............................................................... 61 Measurement Range Defined ............................................................... 61 Memory storage symbol ........................................... 21 Model eg3 .........................................[...]

Occupational Health & Environmental Safety Division Quest T echnologies, a 3M company ISO 9001 Registered Company ISO 17025 Accredited Calibration Lab 1060 Corporate Center Drive Oconomowoc, WI 53066 Customer Service: 262-567-9157 T oll Free: 800-245-0779 www .3M.com/detection E-mail: 3Mdetectionmail@mmm.com 3M and Quest are trademarks of 3M Co[...]