3M eg4, eg3 user manual Introduction

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1Dosimetry

Introduction

Measuring noise in the workplace 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 with regulatory bodies or to ensure if hearing conservation programs are needed.

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: The Edge and dosimetry

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Contents Edge 3MTMDetection Mangement Software DMS Introduction DosimetryGetting started Checking the equipment Turning on Turning off Display and keypadRunning studies Noise studiesViews on the Edge Docking User Interface Appendix a Specifications Standards Stopping a study Technical SupportContacting 3M Quest Technologies International customers Physical attributes of EdgeDock1 and EdgeDock5INDEX………………………………………………………………………………… List of Tables Introduction Illustration of how the dosimeter operates and processes Range of sound Time history manufacturing Peak Measurement 121.20 dB Develop corrective actions Setting-up your dosimeter parameters for your noise studiesRunning your studies View your results via QSP-IIParameter setup screen for eg4 Getting started Powered on with measurement view displayed Edge LED Explanation Indicator LED indicators explainedEdge Keypad EdgeDock1 EdgeDock1 and EdgeDock5 components Attaching charger adapter to EdgeDock1 and EdgeDock5  Powering EdgeDock1 or EdgeDock5Docking the Edge with a single and 5-bay docks  How to chargeBackside of EdgeDock1 Setting-up the Edge via DMS Sample summary data from DMS reporting Logging Dosimeter views and definitions Views on ExplanationResponse Level WeightingViews on Explanation Edge DoseDosimeter measurement descriptors/variants Descriptors Variants Lmax variantsCommunicating connecting a docked Edge to a pc New Hardware wizard for Edge Dock Dosimeter screen Dosimeter fields explained for the Edge Edge display screen Edge security setting Edge auto run screen 10 Edge firmware update screen 11 Saving and sending Edge setups Quick help list for running a study Quick Help List typical dosimetry sessionPositioning/Attaching the Edge  How to attach the dosimeterBattery indicators  Checking battery powerCalibrating  Calibrating the dosimeterOn/off enter  ResetOn/off/enter button  ContrastContrast icon Checkmark icon Is the selection to Display screen while running  How to run a noise studyIndicator Icon Explanation  How to stop a noise studyIndicators i.e., run, stop, battery, and OL Measurement view on the Edge  Viewing measurements How to unlock  How to lock or secureCommunicating between your pc and the Edge  DownloadingDMS start screen  Selecting and viewing data Recent downloaded dataExample of Edge Report in DMS Panel layout view viewing the data in charts and graphs Technical Support  Attaching/Detaching the windscreen and microphone Microphone and windscreen assemblyHard Hat Attachment Kit Weight HousingSize Operating LifeType Memory capacitySize of EdgeDock1 LED amber indicatorLED Red indicator LED Green indicatorRMS Range Status indicatorsDisplayed Data DosimetersAuto-Run SecurityLogging eg4 only Analog Board Edge Block Diagram International customers Service Department and Technical Support 1 800Background Noise, effects Crest Factor Combining Noise sourcesCriterion Level CL Exchange Rate ER also known as the Doubling Rate Criterion TimeDecibel dB DoseLep,d Free field setting microphoneHearing Conservation HC Hertz Hz Lavg Average LevelMeasurement Range Leq Equivalent LevelLogging Maximum Level LmaxResponse Time PEL Permissible Exposure LevelProjected Time Random incidence microphoneThreshold TWA Time Weighted AverageUpper Limit UL Weighting A, C, Z, etcWindscreen Dose = Edge Dock IndexRunning studies QSP-II
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