EXTECH Personal Noise Dosimeter Close 
Low-Cost, Lightweight Units Measure Total Sound Exposure During an Eight-Hour PeriodWith the Personal Noise Dosimeter, it's easy to measure accumulated noise exposure, perform workplace noise assessments and check compliance with OSHA and other regulatory agencies. Specifications: Personal Noise Dosimeter offers adjustable criterion level (80, 84, 85 or 90dB), exchange rate (3, 4, 5 or 6dB) and threshold level (70-90dB in 1dB steps). Range is 70-140dB with a resolution of 0.1dB. Unit stores up to five surveys. Data includes start/stop time, %Dose, TWA, peak flags. The RS-232 interface lets you control setup and retrieve stored events as well as analyze real-time measurements. Dosimeter includes a belt clip, clip-on 1/2" microphone with a 2-3/5'L cable, four AAA batteries, mini screwdriver, carrying case, nine-pin to 25-pin adaptor, RS-232 cable and software compatible with Windows® 95/98/NT/2000/ME/XP. Compliance: ANSI S1.4. IEC Type 2, ANSI S1.25 (1991) Type 2, ISO-1999, BS 402 (1983).
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