Sound Meter Decibel Level Calibrator Calibration with Noise Measurement Reader Output Sound Level 94dB & 114dB output levels for 1 inch and 1/2 inch Microphones

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. 100 hours and Conforms to IEC942 Class 1 This sound meter provides clear and easy reading