Acoustic calibrator
Class 1 Sound Calibrator


  • Ensure accurate measurements
  • Adapt the measurement microphone to the local environmental conditions, such as temperature, humidity, and air pressure
  • Proving traceable measurements to national references
  • Verify the stability of the sound level meter
  • Output level: 94 dBSPL or 114 dBSPL
  • Output frequency: 1 kHz
  • Class 1
  • Compliant with standards IEC 60942-1:2017 • and ANSI S1.40-2006 (R2016)


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SKU: CAL1 Category:


The battery-operated Class 1 Sound Calibrator is classified for the calibration of class 1 measurement microphones, sound level meters and other acoustic measurement equipment. This precision microphone calibrator delivers 94 or 114 dB at a frequency of 1 kHz.

Add the “1/4″ Calibration Adapter” to fit 1/4” measurement microphones into the Class 1 Sound Calibrator. NTi Audio #: 600 000 391


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Additional information



NTi – Product Data