When a microphone from a sound level meter is inserted into this calibrator, the sound level meter picks up the signal and displays the signal in dB (decibel) units. The sound level meter should be adjusted (if necessary) to match the calibrator's output signal as closely as possible With a versatile range of 114dB, 94dB, and 104dB, this calibrator can handle various noise levels, making it suitable for diverse The GA 114dB 94dB 104dB Level Sound Level Meter Calibrator offers high accuracy, ensuring reliable measurements for professional use Its compact design makes it easy to carry around, allowing for on-the-go calibration and testing It can be conveniently used both in laboratory and in . The 114 dB sound level allows performing calibrations even in high background noise environments, Manufacturer: Aundhegrtt