Extech 407355
Noise Dosimeter

  • Low cost, lightweight, easy to use, personal noise dosimeter
  • Perform OSHA and IEC Noise accumulation surveys
  • Adjustable Criterion Level, Exchange Rate, and Threshold
  • Optional 94/114dB calibrator to perform "before" and "after" calibration checks per ANSI standards
  • Also available in a 5 Pack. See: Extech 407355-KIT-5


  • Personal accumulated noise exposure measurement
  • Workplace noise assessment
  • OSHA and other regulatory agency compliances
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Extech 407355 Shown

Product Information
Datasheet 235 KB
Manual 263 KB
PDF Help
The Extech 407355 is designed to test noise exposure in accordance with OSHA, MSHA, DOD, ACGIH, and ISO standards. Fast and easy on-site surveys help determine noise reduction requirements. The meter can also be used in SLM (sound level meter) mode where sound pressure levels are monitored from 70 to 140dB. The SLM (sound level meter) mode has a datalogging feature that can record up to 8800 readings which can be downloaded to a PC for analysis.
Ordering Information
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Optional Configurations
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Included Accessories
  • (1) Belt clip
  • (1) Clip-on microphone
  • (4) AAA batteries
  • (1) Mini screwdriver
  • (1) Carrying case
  • Software and cables (Model 407355 only)
Optional Accessories
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*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.