Landtek ND9B Sound Level Noise Calibrator Meter Mics 94DB/114DB ty
177,48 €
Model:ND9B. Frequency: 1000+0.1% Hz, so it can be corrected on A, B, C, D or linear frequency weighting. Sound Pressure Level: 94 dB, 114 dB. Accuracy: 0.3 dB.
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