Sound level meter Nor131

Sound level meter Nor131


Sound level meters Nor131 is designed and manufactured to the latest sound level meter standards.

The Nor131 is a Class 1 (precision) instrument. Preamplifier is available on the Nor131 version.


Noise hazards in the workplace
Prescription of hearing protection
Environmental noise investigations
Product noise testing
General purpose sound level meter
Reverberation measurement
Speech intelligibility


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-lit display
Complies to IEC and ANSI standard
1/1 octave (optional)
1/3 octave (optional)
Statistical analysis (optional)
Level versus time (optional)
Speech Transmission Index (STIPA) calculation (optional)
Reverberation time calculation (optional)

Additional information


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Octave Frequency



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