Sound Meter Decibel Level Calibator with Noise
Sound Meter Decibel Level Calibator with Noise Measurement Reader Output Sound Level 94db & 114db (Battery Operated) Two output levels of 94dB and 114dB with Output frequency of 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear) Calibrated to produce 94dB at sea level. Fits ½ inch and 1 inch microphones (includes ½ inch adapter) Battery life approx....