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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 ........................................................................
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 .
Table of Conten ts 053 - 644, Rev H Page iii eg4 iii Stoppi ng a st udy ............................................................................ 38 Indicators/Icons on t he display ..................................................... ............
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 .
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.
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.
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.
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.
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 .
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.
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 .
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 ).
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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).
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 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.
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.
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.
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 .
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.
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 ).
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.
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.
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.
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) .
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.
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.
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.
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 .
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.
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.
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.
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 ) .
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.
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.
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 .
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.
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.
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.
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.
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).
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.
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.
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.
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.
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).
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.
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 ...............................................................
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 .
Personal Safety Division 3M Detection Solutions 1060 Corporate Center Drive Oconomowoc, WI 53066 ISO 9001 Registered Company ISO 17025 Accredited Calibration Lab Customer Service: 262-567-9157 T oll Free: 800-245-0779 www .3m.com/detection 3M is a trademark of 3M Company used under license in Canada.
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