Nor131 Sound level meter

Sound level meter Nor131 is a Class 1 instrument designed and manufactured to the latest sound level meter standards.

More information about technical characteristics and options at Norsonic website


  • Noise hazards in the workplace
  • Prescription of hearing protection
  • Environmental noise investigations
  • Product noise testing
  • General purpose sound level meter


  • Single measurement range
  • Extremely simple operation
  • Parallel LAeq and LCpeak
  • Real-time octaves
  • Large internal memory
  • Clock synchronized measurements
  • Single measurement range
  • USB interface
  • Allows use of microphone extension cable (Nor131 only)
  • Large back-lighted display
  • Complies to IEC and ANSI standard
  • 1/1 octave (optional)
  • 1/3 octave (optional)
  • Statistical analysis (optional)
  • Level versus time (optional)


Sound of Numbers Odeon Pemard

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