Standard Sound Source Calibrator for Phone Noise Meters — Sound Pressure Meter Calibrator, Three Different Sound Pressure Levels

High-precision sound source calibrator engineered to ensure accurate audio measurements. Compatible with a wide range of phones and sound measurement instruments, it provides reliable reference tones for calibration tasks. The unit offers Three different sound pressure levels to cover varied calibration requirements. Designed for straightforward operation, it features a clear display and intuitive controls so professionals can run calibrations quickly and consistently. Ideal for audio engineers, sound designers, and specialists in environmental noise assessment. Precision Measurement