LD-CAL250
- Battery powered Mikrofonkalibrator
- Sound level 114 dB.
- Frequency 250 Hz,.
- complies with IEC 60942-2017 standard (class 1)
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.