India
The SONUS GA257B is a dedicated basic Personal Noise dosimeter fully compliant with IEC 61252:1993, giving simultaneous sound exposure (Lep'd) and maximum peak (Zpeak) measurements, an essential feature for Noise at Work Regulations assessments.
Parameters measured (both GA257B and GA257L):
User selectable Exchange Rate (3dB, 4dB or 5dB)
User selectable Criterion Level (75dB, 80dB, 85dB or 90dB)
User selectable Threshold Level (-5dB, -10dB or OFF)
Zpeak
% Dose
Lep'd (Lex)
% DOHR (Dose/Hour)
Pa2h (Lep'd expressed in Pascals)
Exposure Time
Lockable Keypad
Constructed from tough crack resistance plastic
Instrumex is a preeminent company involved in the manufacture and export of a range of top-notch Pollution Measuring & Analytical Instruments since its institution in 1990.
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