3M eg4 manual

User Manual MODELS eg3 and eg4 3M Per sonal S afet y Division 3M™ The Edg e Pe rson al Noi se Dos im et er The Edge models eg4[...]

i Table of Contents 053 - 644, Rev H Page i eg4 Table of Con tents Chapt er 1: Int r od uct i o n ................................................................... 1 Dosim etry ........................................................................................ 1 Noise dosimete r ...................................................... ........[...]

Table of Conten ts 053 - 644, Rev H Page ii eg4 ii Chapt er 3: Setting - up the E dg e via D MS ...................................... 16 Noise st udies ................................................................................. 16 U nderst an di ng w hat d ata is store d .............................................. 16 Summary da ta .......[...]

Table of Conten ts 053 - 644, Rev H Page iii eg4 iii Stoppi ng a st udy ............................................................................ 38 Indicators/Icons on t he display ..................................................... ................. 38 Viewin g me as urem ent s on t he dis pl ay ......................................... 39 L[...]

Table of Conten ts 053 - 644, Rev H Page iv eg4 iv Physical attributes of EdgeDock1 and EdgeDock5 ........................................... 51 Measur em ents ............................................................................... 52 Types ......................................... ................................ ..........................[...]

List of Figu res 053 - 644, Rev H Page v eg4 v List of Figures Figure 1 - 1: The Edge and dosimetry .......................................................................................... ........ 1 Figure 1 - 2: Ill ustratio n of how the dosi m eter oper ates and proc esses .................................................. 2 Figure 1 - 3: Para[...]

1 Dosimetry 053 - 644, Rev H Page 1 eg4 Chapter 1: Introdu ction Dosimetry Measuring noise in the workplace is an important element of hearing conserva tion program s 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 with [...]

Dosimetry Noi s e dosi meter 053 - 644, Rev H Page 2 eg4 2 Noise dosimeter What is a noise dosimeter and how does it compute measurements? E ssentially, a noise dosimeter is composed of the following: a microphone with a preamplifier, a weighted network, fast or slow response time, an i nternal clock, calculator, and memory to store logged data. Th[...]

Dosimetry Range of sound 053 - 644, Rev H Page 3 eg4 3 Range of s ound S ound 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 [...]

Dosimetry Applicati ons of the Edge 053 - 644, Rev H Page 4 eg4 4 Applications of the Edge The Edge has a cable - free , mounted microphone that converts sound pressure into an electrical signal. This signal is c onditioned, monitored, and integrated over time in order to provide a host of automatically calculated values that can be used in occupat[...]

Dosimetr y Noise as sessment steps 053 - 644, Rev H Page 5 eg4 5 Noise assessment s teps 1. Perform a task - based work flow analysis of unacceptable “noisy” areas and list regulations/codes yo u will follow.  Observe facility/areas and jot down areas of concern  Check with standards and noise ordinance regulations in your region/city. ?[...]

Dosimetr y The Edge Model 053 - 644, Rev H Page 6 eg4 6 The Edge Model 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 key . This will toggle you between the two dosimeters. The “eg3” model is [...]

Checking the equi pm ent The Edge Model 053 - 644, Rev H Page 7 eg4 7 Getting s tarted This chapter is designed to guide you through basic information you will need to begin logging your studies. Checking the equipm ent If your instrument was sent to you in a storage case, you will want to remove all the packaging and acquaint yourself with the fol[...]

Turning o n LED indicator 053 - 644, Rev H Page 8 eg4 8 Turning o n 1. To turn on the Edge, press the on/off and en ter button.  The Edge splash screen (see Figure 2 - 3 for an example, page 10 ) will a ppear indicating the model (i.e. “ eg4” ) and firmware version . T he screen will be in the measurement view . Figure 2 - 2: P owered on wit[...]

Turning o ff LED indicator 053 - 644, Rev H Page 9 eg4 9 Table 2 - 1 identifies when and why the LED i ndicator color will appear.  NOTE: The LED indicator can be disabled via DMS (see section, “ Dose i ndi cat or LED ” page 25 ). Table 2- 1: LED indic ator s explained Navigating Once the dosi meter is “Powered - On”, press the up/ down [...]

Display and keypad Diagram 053 - 644, Rev H Page 10 eg4 10 Display and keypad 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 keyp ad. Figure 2 - 3: E dge Keypad Display (Splas h screen s hown)  View data and [...]

3MTMDetecti on Ma ngem ent Software ( DMS) Loading 053 - 644, Rev H Page 11 eg4 11 3M TM Detection Ma ngement S oftware (DMS) 3M TM Detection Management Software (DMS) is a software application designed by 3M that runs under the Windows operating system. You can use DMS for a variety of functions related to the Edge dosimeter and with many other 3M[...]

Docking stati o n func tional ity Docking stati on components 053 - 644, Rev H Page 12 eg4 12 Docking station components The table below explains the EdgeDock1 or EdgeDock5 LED indicators, power connector, USB connector, and contact pins. T able 2 - 2: EdgeDock1 and EdgeDock5 components EdgeDock1 or EdgeDock5 The EdgeDock1 and EdgeD oc k5 are power[...]

Docking stat ion f unctiona lity Po wering EdgeDock1 or EdgeDock 5 053 - 644, Rev H Page 13 eg4 13 Powering EdgeDock1 or EdgeDock5  Power ing 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 (e[...]

Docking stat ion funct ion a lity Char ging your dosimeter 053 - 644, Rev H Page 14 eg4 14 Charging your dosimeter The number of hours you have use d your dosimeter from your last c harge will impact your total charge time. For example, if the battery clock indic ator (see “Checking the battery power” for more information) displays 20 hours rem[...]

Docking stat ion funct ion a l i ty Mounting the docking s tation to a wall 053 - 644, Rev H Page 15 eg4 15 Mounting the docking station to a wall The docking station is equipped with two singl e 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. Figure 2 -8 : Backsi[...]

Understand ing w hat da ta is st ored Noise studies 053 - 644, Rev H Page 16 eg4 16 Chapter 3: Set ting-up the Edg e via DMS 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[...]

Understand ing w hat da ta is st ored Summ ary data 053 - 644, Rev H Page 17 eg4 17 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 throughou[...]

Views on the Edge 053 - 644, Rev H Page 18 eg4 18 Logging eg4 model only logs at one minute intervals and includes the following measurements: • Meter 1 logs Lavg /L eq, Lcpk, and Lasmx • Meter 2 logs Lavg /L eq If the dosimeter runs for one hour, then it will log 60 Lavg/Leq results, and 60 L as max/Lcpk level s . In DMS , you can customize th[...]

Views on the Edge Definitions of data log values and views 053 - 644, Rev H Page 19 eg4 19 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. NOTE: The following table is based on A - weighted, slow measurements . Thus, if you c[...]

Views on the Edge Definitions of data log values and views 053 - 644, Rev H Page 20 eg4 20 Views on the Edge Explanation L TWA Time - weight ed av er a ge - i s t he s oun d le vel ( in dB) th at is ac cumul at e d for a ny t ime p er iod but with i t s av erage l ev el com put ed ov er a n 8 - ho ur per iod. TWA i s us u all y meas ure d wi t h A [...]

Views on the Edge Definitions of data log values and views 053 - 644, Rev H Page 21 eg4 21 Views on the Edge Exp lanat ion Memory storage symbol – eg4: The eg4 model displays the total memory storage remaining in hours and minutes. For example, if it displays the memory symbol 181:50 this represents 181 hours and 50 minutes of memory storage rema[...]

Docking Comm unicati ng & downloading data 053 - 644, Rev H Page 22 eg4 22 Docking Comm unicating & downloading data By using your docking station, USB cable, software, and y our dosimeter, you can quickly communicate between the software and the dosimeter. There are tw o methods for communicating which are: • Send setup data : Enables yo[...]

Docking Customizing s et-up par ameters in D MS Comm unicati ng & downloading data 053 - 644, Rev H Page 23 eg4 23 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 rema ining wizard. At the end of the wizard, press Finish . • This will ins[...]

Customizi ng set - up parameters in DMS Dosimeter setting 053 - 644, Rev H Page 24 eg4 24 Dosimeter setting The Edge general settings are used to setup the instrument with basic parameters. The eg4 model features two virtual dosimeters in one with two cus tomized, user - defined settings. Please refer to the Edge dosimeter settings table below for [...]

Customizi ng s et - up para meter s in DMS Dosimeter setting 053 - 644, Rev H Page 25 eg4 25 Edge dosime ter settings Dosimeter se ttings for the E dge Name Field *Note: refe r to Glossary for more de tail ed information . Heartbeat en able When enabled (o r checked ), the LED will flash green whi le running and flash amb er when sto pped. Response[...]

Customizi ng s et - up para meter s in DMS D isplay setting 053 - 644, Rev H Page 26 eg4 26 Display setting The display screen is used to customize the parameters which will appear on your Edge. It is organized by two columns, the “Display position” and the “Item to Di splay” and includes a “Set selecte d Items” selection/drop down box.[...]

Customizi ng s et - up para meter s in DMS Se curity setting 053 - 644, Rev H Page 27 eg4 27 Security setting The security setting is a type of “locking” feature (or secure run feature) that enables you to password protect the instrument to prevent users from inadvertently terminati ng a study. Initially, this feature is set through the softwar[...]

Customizi ng s et - up para meter s in DMS Au to Run setting 053 - 644, Rev H Page 28 eg4 28 Auto Run sett ing With the Edge auto run setting, you may program up to two auto start and auto stop configurati ons when start date and duration parameters are enabled. This may be useful if you wish to pre - set the instruments to run and stop for a speci[...]

Customizi ng se t - up parame ters i n DMS Firmware update 053 - 644, Rev H Page 29 eg4 29 Firmware update Edge firmware updates are performed in DMS when the instruments are docked, communicating, and the update key is selected. Please follow the steps bel ow prior to updating your Edge(s). Note: this feature enables you to update all of your dock[...]

Customizi ng s et - up para meter s in DMS Sa ving and sending/setti ng configurat i ons 053 - 644, Rev H Page 30 eg4 30 Saving and sending /setting configurations With the Edge, there are saved setup profiles used to quick ly access and apply to The Edge(s). Below explains how to save configuration settings in DMS and how to send /set to the instr[...]

Overvie w of runn i ng a s tudy 053 - 644, Rev H Page 31 eg4 31 Runn ing and operat ing your dos imeter The focus of this chapter is to discuss the procedures for running and operating the Edge and includes positioning, calibrating , and viewing the Edge measurements. Overview of running a study The list below is a brief overview of the steps for r[...]

Overview o f r unning a stud y Po sitioning the Edge on your shirt 053 - 644, Rev H Page 32 eg4 32 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 A ppendix A , “Contacting 3M” , pa[...]

Overview o f r unning a stud y Chec king battery power 053 - 644, Rev H Page 33 eg4 33 Checking battery power Typically, the life of the battery is approximately 60 + hours (see A ppendix A for specific specifications). The dosimeter can be charged at any time by using your EdgeDock. There are two battery identifiers on the dosimeter whic h are the[...]

Overview o f r unning a stud y Calibrating 053 - 644, Rev H Page 34 eg4 34 Calibrating 3M 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 t o calibrate for either a pre or post calibration.  Calibrating the dosimeter 1. Remo[...]

Overview o f r unning a stud y Rese tting the dosimeter 053 - 644, Rev H Page 35 eg4 35 Resetting the dosimeter The Edge can be reset through the dosimeter keypad or via DMS . The steps below outli ne how to reset your dosimeter.  Reset 1. Ensure the meter is O ff . 2. Turn the meter on by pressing the on/off enter button. 3. When the splash scr[...]

Overview o f r unning a stud y Se tting contrast on dosimeter 053 - 644, Rev H Page 36 eg4 36 Setting contrast on dosimeter  Contrast 1. Ensure the meter is O ff . 2. Turn the meter on by pressing the on/off/enter button. 3. When the splash screen appears, press and hold the r un/sto p and on/of f enter button s. (S ee figure 4 -5 for splash scr[...]

Running s tudies S tarting a run 053 - 644, Rev H Page 37 eg4 37 Run ning stu dies With a couple pushes on the keypad buttons, you will be running and viewing your study ( ies) . Following your study ( ies), you can load the data/files into DMS to manipulate, analyze, save, and create reports (See Chapter 5 for viewing your logged data i n DMS ). S[...]

Stopping a study Indicators/Icons on the display 053 - 644, Rev H Page 38 eg4 38 Stop ping a s tudy While the dosi meter is running, you can end the study by press ing and holding the stop button.  How to stop a nois e study 1. While running, press and hold the run/ stop button. a. A 3, 2, 1 countdown will appear. b. The stop indicator will be s[...]

Viewi ng mea sureme nts on the d isplay Locking or securing your dosimeter during run 053 - 644, Rev H Page 39 eg4 39 Viewing m easureme nts on the di spl ay The up/down arrows on the keypad of the dosimeter enable you to move through the various measurements. For specific information on the vi ews of the Edge, please see “Views on the Edge”, p[...]

Viewi ng mea sureme nts on the d isplay Locking or Securing 053 - 644, Rev H Page 40 eg4 40 Locking or Securing  How to lock o r secure 1. Turn the dosimeter on and press the run/ stop button to begin logging y our study. 2. To enable the lock , press run/stop button three consecutive ti mes within one second intervals. • The Lock screen will [...]

Viewi ng mea sureme nts on the d isplay Downlo adi ng dat a 053 - 644, Rev H Page 41 eg4 41 Viewing you r studies in DMS The focus of this chapter is to discuss how to view your studies with the 3M TM Detection Management Software (DMS) . The first section expl ains how to retrieve your studies from the dosimeter, and the subsequent sections will t[...]

Viewi ng mea sureme nts on the d ispla y Downloading data 053 - 644, Rev H Page 42 eg4 42 4. In DMS’ start scre en, choose . Figure 5 - 2: DMS start screen 5. Select Noise Dosimetry (see 1), Edge (see 2), and Edge 3-4 (see 3) from the family panel. 6. Select the docked Edge (s) to download by clicking in the checkboxes by the EdgeDock -5 section([...]

Viewi ng mea sureme nts on the d ispla y Viewing data and data finder page 053 - 644, Rev H Page 43 eg4 43 8. The sessions (files) will load and post to the Data Finder page under Family: Noise D osimetry heading. • Quick tip : click on the bu tton and the data files will post directly under the specifi c family. Click on the file and select eith[...]

Viewi ng mea sureme nts on the d ispla y Report View 053 - 644, Rev H Page 44 eg4 44 Report View The button provides a quick link to view/print the Edge data. To customize the data, refer to the next session, panel view page. • Click to print the report. Figure 5 -6 : E xample of Edge Repor t in DMS Edge, l og ged d at a chart displ ay ed in DMS [...]

Viewi ng mea sureme nts on the d ispla y Panel Layout View(c harts/graphs) 053 - 644, Rev H Page 45 eg4 45 Panel Layout View(charts/graphs) When you are in t he data finder page (see above ), select ei ther the Analyze butt on or doubl e - clic k on a session/ study to vi ew the data in c harts and gr aphs as displ ayed in F igure 5 -7 . The measur[...]

46 Technical Suppor t LED indi c ator: disable/enable 053 - 644, Rev H Page 46 eg4 Technical Supp ort LED indicator: disable/enable Some users may prefer to turn off the LED indic ator.  To disable this feature, open DMS and select the Setup button. On the dosim eter tab, under Dose % indi cator LED uncheck the following:  Alarm enable : Will[...]

Replacing microphone and windscreen Attaching/Detachi ng 053 - 644, Rev H Page 47 eg4 47 Replacing microph one and w indscreen Attaching/Detaching The Edge features a field replaceable microphone and a screw - on removable windscreen. 3M Quest suggests that the user replace the windscreen whenever dirt has accumul ated on the windscreen prior to me[...]

48 Technical Suppor t Hard Hat Att ac hment Kit 053 - 644, Rev H Page 48 eg4 Hard Hat Attachment Kit The following instruct ions explain how to assemble and a ttac h the hard hat kit to a standard hard hat. 1. Using a 3 /32” hex wre nc h, tw ist t he to p sho ulder bolt c oun ter cloc kwis e to loosen and remov e the bol t and the clip. Al s o, r[...]

49 Appendix A 053 - 644, Rev H Page 49 eg4 SPECIF IC ATI ONS **All s pecifications subject t o change Standards Pending testing approvals on the following: • ANSI S1.25, IEC6 1252 Standa rds fo r Personal S ound Expos ure Meters . • Lead Free (RoHS compl iant ) . Mechanica l characte ris tics Housing Plastic case with bl ack, gray chec k backgr[...]

50 Appendix A 053 - 644, Rev H Page 50 eg4 Electri cal char acteri stics 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 cap acity 180 hours Envir onmental effects The typic al time i nterv[...]

51 Appendix A 053 - 644, Rev H Page 51 eg4 EdgeDock1 and Edge Dock 5 EdgeDock1 a nd Edge Dock 5 a re powered by a 12 - volt c harger ad apter wi th int ernational plug adapters. T he backside of the Edge slides into the hook of th e Edge Dock1 or Ed geDock5 with the mounting clas ps rotati ng to a 90 d egree angle (which wil l rest on a t able/w or[...]

Appendix A 053 - 644, Rev H Page 52 eg4 52 Measuremen ts Types Displayed Da ta and status indicato r s SPL, Averag e value (L avg or L eq ), Maximum v alue (L mx ), Mini mum value (L Mn ), Peak Value (L pk ), Ex posure, Run Tim e, TWA, UL T ime Measurement parameters Dosimeters T wo dosimeters a t once (eg4) , each with it s own assignabl e profil [...]

53 Appendix A 053 - 644, Rev H Page 53 eg4 Calibr ation Pre- calibratio n When performed, v alid p rior to the s tart of t he study . Post - calibration When performed, valid fo r the previ ous s tudy. Stora ge C alibrations fo r a study are sto red in t he related study file. Calibrator r equirem ent Calibrations s hould be pe rformed at 114 dB at[...]

54 Appendix A 053 - 644, Rev H Page 54 eg4 Edge Block Diag ram A nalo g B oard[...]

55 Appendix A Edge Block Diagram (continued) 053 - 644, Rev H P ag e 55 eg4 Edge Block Diagr am (continue d)[...]

56 Appendix B Edge Block Diagram (continued) 053 - 644, Rev H Page 56 eg4[...]

57 Appendix A 3M Service 053 - 644, Rev H P ag e 57 eg4 3M Service Contacting 3M Should your 3M equipment need to be returned for repair or for recalibration, pl ease contact the service department at the following number or access the online form via the website. For technical issues, please contact Technical Support. Service Dep artmen t and T ec[...]

58 Appendix B Glossary of Terms 053 - 644, Rev H P ag e 58 eg4 Glossary of Ter ms Backgro und N oise, effec ts of Background noise can c a use considerab le error in measurement whe n its level is high rela tive to the level of a noise source of i nter est. If you ca n ma ke me a surements both with and w ithout the contribution of a noise s our c [...]

59 Appendix B Glossary of Terms 053 - 644, Rev H Page 59 eg4 Combini ng N oise s ourc es Because sound levels ar e measure d in decibels they cannot be s imply adde d together. A sound level o f 90dB plus 90dB does not yield 180dB but rather 93 dB. The proc edure for mathematically determin ing a combined level of sound from in dependent measureme [...]

60 Appendix B Glossary of Terms 053 - 644, Rev H Page 60 eg4 Criteri on Tim e The time over which the Cri terion Level is esta b lished, general ly 8 hours. Decibel ( dB) Sound Level Meters use the dec ibel as the unit of measure known as Sound Pressure Level ( SPL). SPL uses the ratio between a re ferenc e level of 20 mic r oPascals (.00 00 2 Pasc[...]

61 Appendix B Glossary of Terms 053 - 644, Rev H P ag e 61 eg4 Field Cali brati on (vs. Fa ctory Cali bra tion), pr e - c alibration, post - calib rat io n To be sure the dosimeter is functioning with in specified to lerance li mits, it should be return ed to the factory annually for a fac tory recal ib ration. To verify that the dosimeter is measu[...]

62 Appendix B Glossary of Terms 053 - 644, Rev H P ag e 62 eg4 Leq (E quival ent Le vel) The true equivalent sound leve l measured over the run time . The term LE Q is functionally the s ame as LAVG except that it is only us e d whe n the E xchange R ate is set to 3 dB and the threshold is s e t to none. Logging ( Also called Data Logging. ) Cer ta[...]

63 Appendix B Glossary of Terms 053 - 644, Rev H P ag e 63 eg4 PEL (Permissi ble Ex pos ure L evel) The A - weighte d sound level at w hich expos ure for a Criterion Time , t ypically eight ho urs, accumula tes a 100% noise d ose. Projec ted Ti me The variable amount of time used to make a projec ted dose calc ulation from an actual dos e measureme[...]

64 Appendix B Glossary of Terms 053 - 644, Rev H Page 64 eg4 Thresh old The threshold affects the La vg, TWA, and Dose meas urements. All s ound below the thre shold is considered nonexis tent n oise for t he a ver aging and integrati ng functions. The thre s hold does not affect measurements in th e sound leve l mod e. OSHA uses two diffe rent thr[...]

65 Appendix B Glossary of Terms 053 - 644, Rev H P ag e 65 eg4 Weigh ting (A , C, Z, etc .) “A”, “B”, “ C”, “Z” and LINEAR a r e the standard weighting networks available. Thes e are freq uency filters that cover the fre q uency rang e of human hear ing (20 Hz to 20 kHz). “A” weighting is the most commonly used filter in b oth i[...]

66 Appendix B Glossary of Terms 053 - 644, Rev H P ag e 66 eg4 Measurement equati ons The following equations are used in the Edg e calculations . Some of the terms used in these equations are explained in Table B - 1 while others are explained above in the “G lossary of Terms ” section. [ ] % ) /( ) ( dt ER CL LS 2 RTIME 0 TC 100 − ∫ = DOS[...]

Index 053 - 644, Rev H Page 67 eg4 67 INDEX A Attaching the Ed ge ........................................................................ 32 B Backgr ou nd Noi s e, ef fec ts of Def ined .......................................................................... 57 Battery Checkin g ..................................................................[...]

Index 053 - 644, Rev H Page 68 eg4 68 eg4 6 Mount t he d ock i ng st at io n ................................................... 15 N Noise Fl o or Def ined .......................................................................... 61 O Opti ons m enu ................................................................ 35, 36 Overl oad ................[...]

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