TES 1356 Sound Level Calibrator

TES 1356 Sound Level Calibrator


The TES 1356 Sound Level Calibrator is a self contained unit for making accurate filed calibrations on microphones and sound measuring instruments. It generates a precisely known sound pressure level of 114 dB at five ANSI-preferred frequencies. With its several frequencies, improved accuracy and built in oscillator, the 1356 Sound Level Calibrator outperforms all other sound level calibrators.


  • 94dB and 114dB Sound Calibration at 1KHz
  • Accurate and Simple to use
  • Fits 1", 1/2" or 1/4" diameter microphone




+/- 0.5dB

Output Frequency

1000Hz +/- 4% 

Measurement level 

114dB and 94dB

Reference Conditions

23°C (73°F), 1013 mbar, 65%RH

Power supply 

9V battery