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Sound level meter Martel Electronics32-80/50-100/80-130 dB Level range
Dynamic Range 50 dB 0.1dB resolution Frequency Range 31.5 Hz to 8 Khz Accuracy ± 1.5 dB (ref 94 dB@1kHz) 4-digit display AC and DC output MAX/MIN function IEC651 Type II |
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