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Dosimeter W/ Nist, 407355


Price starts at $824.00

Product Code : 407355-NIST

Manufacturer : Extech

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NIST Certificate Included.Download or View this product's / series details and specifications Specifications (PDF)

Extech 407355 Noise Dosimeter w/PC Interface


  • Has storage of 5 separate surveys, Bi-directional RS-232 with Windows compatible software and a real time clock.
  • 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
  • Optional 94/114dB calibrator to perform ?before? and ?after? calibration checks per ANSI standards
  • Both dosimeters include belt clip and clip-on microphone, 4 x AAA batteries, mini screwdriver and carrying case.


Measure total sound exposure over an 8-hour period. Careful use of this device will provide years of reliable service.


General Specifications
Applicable Standards ANSI S1.25-1991 A-weighting; ISO-1999, BS 6402-1983
Microphone 1/2-inch electret condenser microphone w/ 31? cable
Display Multifunction 4-digit LCD Display
DOSE Range .01 to 9999% DOSE
Criterion Level Selectable 80, 84, 85, 90dB
Threshold Level Selectable 70 to 90dB (1dB Steps )
Exchange Rate Selectable 3, 4, 5, 6dB
High Level Detector 115dBA
Peak Flag 140dBA
Sound level range 70 to 140 dBA
Accuracy ñ1.5dB
Frequency Weighting ?A? type
Frequency Response 20Hz to 10KHz
Response time Selectable (F) FAST / (S) SLOW
Operating Temp/Humidity 32 to 122øF (0 to 50øC), 10-90%RH
Storage Temp/Humidity 14 to 140øF (-10 to 60øC), 10-75%RH
Power supply 4 size ?AAA? alkaline batteries; 32 hour battery life
Dimensions 4.2 z 2.4 z 1.3? (106 z 60 z 34mm)
Weight 11.2 oz. (350g)
Accessories Carrying case, screwdriver, batteries, Windows software, RS-232 cable, 9 pin to 25 pin gender adapter


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