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产品介绍
Castle GA256 液位计
Castle GA 256 Sound Level Meter 20kHz 75 → 140 dB
Castle
GA256 Personal Noise Exposure Meter A high specification personal sound exposure meter that is fully compliant with IEC 61252-1. This meter gives simultaneous Lex (sound exposure) and peak measurement for assessments to the Noise at Work Regulations 1979 and is especially suited more to mobile workforces. It has a high specification measurement microphone and is cased in tough, crack resistant ABS plastic. Designed for Industrial Safety Officers and Safety Managers for compliance with Health and Safety at Work Act; Noise at Work regulation 1989. It is ideally suited for workers who move around in the execution of their jobIntegrated sound exposure level (Lex or Lep’d) measurementDOSE%, Projected DOSE% and Projected Lex functions’A’ frequency weighting (toggle)Simultaneous measurement of Lex, and PmaxElapsed time (running time hrs, min, sec)Overload and under-range indicationBattery condition Measuring Range 75-140 dB Linear operating range(IEC61672-1) 67dB 1 Measurement Range(IEC61672-1) 75 - 140 - Reference Range Standards Compliance IEC 61252:1993 Measured Parameters Lex (Sound exposure Level), PLex (Projected Lex over 8 hrs), DOSE% (Lex compared to criterion level as %), PDOSE% (Projected DOSE%), Pah (Lex displayed in Pascal units), Lmax (Max. level), Pmax (Max peak level) Other Displays Elapsed time, Overload, Battery Life Criterion Options 80dB, 85dB, 90dB Exchange Rate Options 3dB and 5dB Calibration Software controlled 91.0 to 120.0 dB(1kHz) in 0.1 dB steps Dimensions 60mm (width) x 30mm (depth excluding pocketclip) x 135mm (height without microphone)or 210mm (height with microphone) Weight 200gms (without battery) Note For compliance with Noise at Work regulations and relevant international Standards, sound level meters should be calibrated before use and checked afterwards. See GA601 acoustic calibrator (Stock No 229-9448). Sound Meters ; Maximum Sound Level 140dB; Minimum Sound Level 75dB; Resolution 0.1 dB; Accuracy Class IEC 61252:1993; DOSE Measurement Yes; Weighting A, C; Display Type LCD - Backlit; Battery Type 9V; Fast/Slow Time Averaging Both; Maximum Frequency 20kHz; Maximum Operating Temperature +40°C; Minimum Frequency 1 Hz; Minimum Operating Temperature 0°C; Model Number p GA 256;
Sound Level Meters
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