Item_1_Specification.pdf

ITEM #1:

Specifications for Noise Dosimeters, charging docking station and calibrator

Functional Requirements Include

Microphone: 1/4 inch prepolarized condenser (electret) field replaceable threaded microphone

Measuring Range: 70dB - 140dB

Windscreen: Rugged foam permanently attached to a threaded mount for maximum protection

Dosimeter eg4 has two independent dosimeters. eg5 has three independent dosimeters.

Third dosimeter is enabled through Detection Management Software.

Independent Thresholds: selectable from 70dB to 90dB or none

Independent Exchange Rates: 3dB, 4dB or 5dB for each dosimeter

Independent Criterion Levels: from 70dB to 90dB in 1dB increments

Measurement Settings

RMS Range: 70dB to 140dB

RMS Weighting: A or C

RMS Time Response: Fast or Slow

Frequency Weighting: A, C, Z

Peak Detector

Peak Range: 110dB to 143dB

Peak Weighting: Selectable C or Z for eg4; Selectable

A, C, or Z for the eg5 model (Peak is independent of the RMS dosimeter settings)

Displayed Data / Values

• LAVG or LEQ • Current Date

• Exposure • LC-A (eg5)

• SPL • Max Level

• Min Level • SEL (LEP)

• Dose • Threshold (TR)

• TWA • Peak Level

• Projected Dose (eg5)

• Upper Limit (UL) • Run Time

• Identity Field (assigns a custom name to the dosimeter)

Displayed Status Indicators

• Battery • Memory

• Run/Pause • Overload Indication

• Dose Exposure Indicator

(Multicolored LED, user selectable)

Docking Station: Single and Five Bay Versions

Communications: via the docking station and USB to PC

Typical recharge: 2 to 4 hours

Complete instrument fits neatly into docking station without removing mounting devices

Power / Electrical Characteristics

Battery: Lithium Polymer (Flat cell)

Battery Life: eg4 model 60+ hours, eg5 intrinsically safe 40 hours nominal without LED activated

Battery Charge: Quick charge in docking station in 2 to 4 hours.

Recommended daily download data with simultaneous battery charging for maximum efficiency.

Memory Capacity: 180 hours

Communications: Short haul serial Infrared (SIR) via the docking station

Standards

ANSI S1.25 Personal Noise Dosimeters

IEC61252 Personal Sound Exposure Meters

Intrinsic Safety: (eg5) • EN 60079-0:2006, EN 60079-11:2007, EN 60079-26:2007

• IECEx certification number:

SIM 08.0012

• ATEX Directive 94/9/EC for use in

Potentially Explosive Atmosphere xcertification number: Sira 09ATEX2269

• CSA International (US and Canada) certificate number: 2283414

• MSHA Approval number: 18-A100008-0

Physical Characteristics

Weight: 3 ounces (85 grams)

Size: 3.5" long x 2.1" wide x .75" thick

(88mm x 53mm x 19mm), eg5 is .82" (21mm) thick

Case Material: Engineered Polymer

IP Rated 65

Keypad: 4 keys – Up Arrow, Down Arrow, Run/Stop, On/Off, Enter

Display: 128x64 LCD

RoHS Compliant

Lockable Windscreen

Alligator Clothing Clip / Suspender Clasp

Environmental Characteristics

Operating Temperature Range: -10 °C to 50 °C (14 °F to 122 °F)

Storage Temperature Range: -25 °C to 60 °C (-13 °F to 140 °F)

Humidity Range: 0 to 95% Non-Condensing

Additional Features

Device Setup: Easy, quick setup via DMS software in Chinese, Czech, English, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, and Turkish

Data Logging: LAVG or LEQ, Max, Peak and Overload

Indication at one minute intervals