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Personal Noise Dosimeter $99.00

The Personal Noise Dosimeter is an inexpensive, easy-to-use screening device that provides a good estimate of noise dose and alerts the user to the risk of over exposure. In cases of gunfire and other impulse noise, no conventional dosimeter measures the risk accurately because more specialized equipment is required.

This product has two modes of operation: Normal Mode measures and displays noise dose continuously for up to 16 hours, and Quick Check measures noise for two minutes, then calculates and displays the estimated dose per hour.

In Normal Mode, the dosimeter provides an early warning that the user is approaching over exposure and should use hearing protection. Quick Check provides a quick and easy way to measure a specific noise source to determine if permissible exposure levels will be exceeded (e.g., loud equipment, vehicles, power tools, music concerts or sporting events).

The default settings used by this instrument for calculation of noise dose are consistent with ANSI S1.25–1991 (R2002) Specification for Personal Noise Dosimeters.

Dose Calculation Criteria:
Calibration Accuracy: ±2 dB
Exchange Rate: 3 dB
Criterion Level: 85 dB
Threshold Level: 75 dB
Criterion Time: 8 hours
Frequency Weighting: A
Response: Slow
Temperature Range of Operation: -10°C to 45°C (14°F to 113°F)
Omni-directional Microphone: Flat from 100 Hz to 15 kHz
Earphone Monitor Jack (2.5 mm): 10 mV (-40 dB re 1V) corresponds to 94 dB SPL ±1 dB at 1 kHz
Frequency Weighting For Earphone Monitoring: Same as microphone (A)
Power Supply: Three AAAA batteries
RMS Detector: Dynamic range 60 dB (70 to 130 dB)
Battery Life: > 250 hours continuous use

Package Contents

  • 1 Personal Noise Dosimeter
  • 1 Windscreen allows accurate measurement in winds up to 15 to 20 mph
  • 3 AAAA Alkaline Batteries*
  • 1 User Guide
  • 1 Reference Card
  • *(AAAA batteries are available at retail locations and electronics retailers such as Radio Shack)

    Cost: $99.00/ea

    This product was added to our catalog on Sunday 19 October, 2008.


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