Sound Level Meter with Large LCD Screen Wall Mounted Digital Sound Level 30-130

Frequency Weighting:A (Ambient Noise) Weighting. Alarm Reminder (sound+display). Accuracty: +-1.5dB ( In Standard sound: 94dB@1KHz. Frequency Response Range: 31.5Hz~8.5KHz. abusing, alteration, neglect, disassembly or dropping. ).

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