เครื่องวัดเสียง > เครื่องมือตรวจวัดปริมาณเสียงสะสม > Noise Dosimeter รุ่น 407355
407355: Noise Dosimeter/Datalogger with PC Interface
Measure total sound exposure over an 8-hour period
Features:
• Perform OSHA and IEC Noise accumulation surveys
• Adjustable Criterion Level, Exchange Rate, and Threshold
• Applications include Personal accumulated noise exposure measurement, Workplace noise assessment, OSHA and other regulatory agency compliances
• Datalogs up to 4500dB readings when used as a sound level meter
• Optional 94/114dB calibrator to perform “before” and “after” calibration checks per ANSI standards
• Stores up to 5 dosimeter surveys. Data includes Start/Stop Time, %Dose, TWA,
peak flags, when used in the Dosimeter mode
• Bi-directional RS-232 with Windows® 95/98/NT/2000/ME/XP compatible software to control setup and retrieve stored events or analyze real time measurements.
Complete with 9 pin to 25 pin adaptor, and RS-232 cable.
• Includes belt clip and clip-on 0.5” microphone with 2.6ft (0.8m) cable, 4 AAA batteries, mini screwdriver and carrying case, software, and cables
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Standards: | |
Meets ANSI S1.25(1991) Type 2, ISO-1999, BS 402 (1983) | |
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Range/Resolution: | |
70 - 140 dBA / 0.1dB | |
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Digital Display: | |
LCD 0.01-9999% | |
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Criterion Level: | |
80, 84, 85, or 90dB | |
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Exchange Rate: | |
3, 4, 5 or 6 dB | |
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Threshold Level: | |
70-90 (1db steps) | |
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Frequency weighting: | |
A | |
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Response Rate: | |
Fast or Slow | |
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High Level Detector/Peak Flag: | |
115dB / 140dB | |
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Dimensions/Weight: | |
4.2x2.5x1.3” (106x64x34mm) 8oz. (227g) incl.batteries | |
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Microphone: | |
1/2 inch electret condenser with 31” cable | |
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Battery Life: | |
34 hrs | |
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Event Storage: | |
5 surveys | |
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RS232 Interface: | |
Yes | |
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Real time clock: | |
Yes | |
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