- Battery powered Mikrofonkalibrator
- Sound pressure level of 94 or 114 dB,
- Frequency 1,000 Hz,.
- complies with IEC 60942-2017 standard (class 1),
- To the off Calibration METAS, PTB approved
The sound calibrators LD-CAL200 and LD-CAL250 enable on-site rapid functional testing of a microphone and the subsequent measuring chain. The reference signal is a sine wave of known frequency and amplitude.