Starting at $719.00

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  • Perform OSHA and IEC noise accumulation surveys
  • One user-defined measurement setup
  • Data logs up to 12,000 readings
  • 0.5" microphone with clip
  • Stores up to 20 dosimeter surveys
  • Adjustable Criterion Level, Exchange Rate, Threshold
  • Ranges:
    • 60 to 130 dB / 70 to 140dB (A/C Weighting)
    • 60 to 130dB / 93 to 133dB (C or Z (Linear) Peak)
    • 70 to 140dB / 103 to 143dB (C or Z (Linear) Peak)
  • LCD 0.01 to 9999% digital Display

What's in the Box

  • Belt clip
  • Clip-on 0.5 inch microphone with 2.6ft cable
  • 3 AAA batteries
  • Mini screwdriver
  • Carrying case
  • Software
  • USB cable

The Extech SL355 Personal Noise Dosimeter measures frequency weighted noise exposure and peak sound level simultaneously. The SL355 Data logs up to 12,000 readings when used as a sound level meter with sampling times between 1 sec and 1 hr. In sound level mode, the meter displays sound level, time-averaged sound level (Leq), peak, and sound exposure level (SEL). The Unit stores up to 20 dosimeter surveys including Start/Stop Time, %Dose, %Dose projected for an 8 hour period, and peak level when used in the Dosimeter mode. The USB interface is compatible with Windows® 95/98/NT/2000/ME/XP software to control setup and retrieve stored events or analyze real time measurements.

Applications include:

  • Personal accumulated noise exposure measurement
  • Workplace noise assessment
  • OSHA and other regulatory agency compliances
Extech 407766 Sound Calibrator
94 or 114dB, 1kHz professional sound calibrator for 0.5" or 1.0" microphones