RION Sound Level Meters and Analysers
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NC-74 Class 1 Sound Level Calibrator (1 kHz, 94 dB)
Class 1 Acoustic Calibrator.
Small, light, portable, reliable and practical.
For 1/2" and 1" microphones.
1 kHz ± 2%.
94 dB ± 0.3dB.
