Wall Mount Sound Level Meter LCD Display Sound Measuring
Wall Mount Sound Level Meter LCD Display Sound Measuring & Layout Tools 30-130Db Digital Sound Large LCD Display Level Mete Specification: Condition: 100% Brand New Model: SW-525A Measuring Range: 30-130dB(dB) Accuracy: ±1.5 dB (In standard sound 94db @ 1khz) Frequency Response: 31.5Hz-8.5khz Frequency Weighting: A Response Time: Fast Microphone: 6 Mm Condenser Microphone Power: DC 5V 1A Micro USB Operating Environment: 0-40℃ 10-80% RH Storage Temperature...