Sound Level Calibrator Meter 114dB 94dB 104dB Calibration Microphone For 1/2"
Sound Pressure Level: 94dB / 104dB / 114dB. It can be conveniently used both in laboratory and in the field. 61094-4 IN A 1/2"(13.2MM)MICROPHONE SIZE. Discrepancies with official data affect project progress.