Handheld Digital Sound Calibrator for Class I Sound Level Meters — 94 dB & 114 dB Outputs, Battery Powered

Portable, battery-operated calibrator designed for Class I sound level meters. Delivers precise sound pressure outputs at 94 dB and 114 dB for on-site calibration checks. High accuracy: ±0.3 db. Engineered to have extremely low influence from static pressure, ensuring stable reference levels. Used for sensitivity calibration of microphones and compatible with both 1" and 1/2" microphone sizes.