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Extech SL355 Personal Noise Dosimeter

extech sl355
Downloads & Videos SL355_Datasheet

Brand: Extech

Model: SDL355

Extech SL355 Personal Noise Dosimeter is a combination Noise Dosimeter, Datalogger, and Sound Level Meter (SLM).



  • Perform OSHA and IEC Noise accumulation surveys
  • One user-defined measurement setup
  • Adjustable Criterion Level, Exchange Rate, and Threshold
  • Applications include Personal accumulated noise exposure measurement, Workplace noise assessment, OSHA and other regulatory agency compliances
  • Measures frequency weighted noise exposure and peak sound level simultaneously
  • Datalogs up to 12,000 readings when used as a sound level meter with sampling times between 1sec and 1hr
  • In sound level mode, meter displays sound level, time-averaged sound level (Leq), peak, and sound exposure level (SEL)
  • Optional 94/114dB calibrator to perform “before” and “after” calibration checks per ANSI standards
  • Stores up to 20 dosimeter surveys. Data includes Start/Stop Time, %Dose, %Dose projected for an 8 hour period, and peak level when used in the Dosimeter mode