Data Logging Noise Dosemeter (SONUS GA257L)

Model No. Product Name Price Qty
GA257L Data Logging Noise Dosemeter
£695.00
GA601 Single Level Class 2 Sound Meter Calibrator
£257.00
PC007 dBdataPRO Noise Analysis Software & Cable
£295.00
KA010C2 Sound Level Meter Kit Case
£99.00
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Details

Designed for Industrial Safety Officers and Saftey Managers the GA257L is a dedicated data-logging dosemeter that is fully compliant with IEC 61252:1993. This dosemeter is designed to be worn by an employee for a full- or part-shift. All measure values can be saved to the internal flash memory of the device for subsequent output. All result can be viewed on the instruments own display or downloaded to a PC with the dBdataLITE noise analysis PC software included via USB connection. The software can be upgraded to the dBdataPRO software for more advanced analysis. Over 2100 readings can be recorded.

SOUND FEATURES
  • Measures Lp, Leq, Lep’d, Noise Dose%, Noise Dose Per Hour, Pa2h
  • Measures parameters simultaneously including LAeq and either LZeq or LCeq
  • User selectable Exchange Rate, Threshold and Criterion Level
  • Under range and Overload indicators
  • Dual Measurement Channels
  • A, C or Z frequency weighting selection
  • A, C or Z Peak measurements
  • ‘Slow’, ‘Fast’ and ‘Impulse’ time weighting selection
  • Save results to internal flash memory
  • Download data to a PC via a fast USB connection
  • Noise Analysis Software included with the meter
  • Small and light weight, fits into small shirt or jacket pocket and also supplied with a strong pocket clip.

GENERAL FEATURES
  • Alpha-Numeric display for measured results
  • Back-lit LCD panel (8x1 characters)
  • Battery Life (approx. 12 hours)
  • Lockable Key pad
  • Not supplied with battery

12 Months Certified Calibration

The SONUS GA257B comes with a 12 month certified calibration certificate as standard.

Noise at Work Regulations 2005

Note: This logging dosemeter is ideal for assessment of compliance to the Noise at work Regulations 2005.

Product Manual


Technical Specification
Level Ranges
Range Display Range Linear Range Peak Range
70-140 db 69-143 db 70-140 db 80-133 db
Linear Operating Range 70db
Measurement Channels Two
Measurement Parameters Lp, Leq, APeak, Cpeak, Zpeak, Noise Dose, Noise Dose Per Hour
Applicable Standards IEC61652-1:1993
Frequency Weighting ‘A’, ’C’ & Z Combinations of A, A&C or A&Z simultaneously for Lp, Leq and Lmax
Time Weighting Slow, Fast and Impulse
Exchange Range 3dB, 4dB or 5dB
Threshold Level -5d, -10dB or OFF
Memory 2100 Data Intervals
Microphone ACO 7052 pre-polarized ½” condenser microphone, 25mV/Pa
Noise Floor <51.0dBA , <53.0dBC , <53.0dBZ
Power 12v - 18v via Multi Purpose I/O Socket
Dimensions 60mm x 35mm x135mm
Weight 220g inc battery
Calibration Options
12 Month Certified Calibration Issued as standard - Software controlled 91.0 to 120.0 dB (1kHz) in 0.1 dB steps