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5 Pack Sonus GA257L Data-logging Dosemeter Kit, Class 2

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5 Pack Sonus GA257L Data-logging Dosemeter Kit, Class 2 Noise Personal Noise Meter / Noise Dosimeter Industrial Hygiene

Castle / NK004

5 Pack Sonus GA257L Data-logging Dosemeter Kit, Class 2

5 units of Sonus GA257L (Class 2) Data-logging Dosemeter c/w Calibrator (Single level, Class 2), dBdataPRO Noise Analysis Software & Cable and Dosemeter Kit Case

The SONUS Pocket Dosemeters are designed to be powerful and easy to use. These dosemeters are small and tough so measurements and data can be collected throughout the working period. Data can be reviewed on screen or downloaded to a PC for further analysis The SONUS GA257L which is also fully compliant with IEC 61252:1993 adds logging capabilities, allowing data to be downloaded to a PC using the Castle dBdataPro noise analysis software, and measures sound pressure levels and Leq
Parameters measured
% Dose
Lep'd (Lex)
% DOHR (Dose/Hour)
Pa2h (Lep'd expressed in Pascals)
Exposure Time
The GA257L dosemeter also features
Lp (SPL)
Real Time Clock

Technical Specification

Standards IEC61252-1993 (Personal Sound Exposure Meters)
Linear Operating Range 70dB
Detector Characteristics RMS and Peak
Exchange Rate 3dB
5 dB
Criterion Level 75dB
Threshold Level -5dB
Peak 3dB above top of selected range
Display Custom alphanumeric LCD, digit size 7mm x 5mm
Memory 2100 Data Intervals Maximum
Calibration 91.0 to 120.0dB @ 1KHz
Batteries 1 x PP3 (9V) Approximately 12 hours continuous use
Operating Temperature -10 to + 50ºC
Humidity Effect < 0.5dB from 25% to 90% RH
Vibration No Effect on Instrument
Processing A to D Converter: 12-bit, 325kHz sampling. 8MHz, micro-controller
Dimensions 60mm (width) x 35mm (depth excluding pocket clip) x 135mm (height)
Microphone Cable Length 800mm (including rubber sleeve and microphone)
Weight 220g (including battery)

Emissions: EC 61000-6-3, EN61326-1:2006, CISPR 22:1997 EN55022:1998, FCC Rules, Part 15 2003 Class B
Immunity: IEC 61000-6-2:2005, EN61326-1:2005 Levels ±4kV (Contact), ±8kV (Air)
Amp Mod: IEC 61000-6-2:2005, Level 10V/m
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