- Standard noise source at high stability in level and in frequency, CAL200 acoustic calibrator is essentially dedicated to check microphone sensitivity and to calibrate sound level meters and acoustic measurement systems.
- CAL200 sends a nominal acoustic pressure level of 94 dB at the frequency of 1000 Hz,;it corresponds to class 2 of NF EN 60942: 2003 and CEI 60942: 2003 standards.
- Designed to remain compatible with microphones of different diameters, it is supplied with an adapter ring for a microphone of ½ inch diameter.
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