ST-120 Sound Level Calibrator
- Sound pressure levels : at 94dBand 114dB.
- For 112″condenser microphone calibration.
- Low battery indication.
- Harmonic waves distortion ±3%.
ST-120 Class 1 Sound Level Calibrator is a highly accurate sound meter calibrator which allows the user to calibrate his/her own instruments without the need of a third party.
