LNHHG Digital Sound Meter Digital 4 In 1 Sound Level Meter Temperature Humidity 30~130db Decibel Measuring Instrument Noise Decibel Noise Level Tester

LNHHG

1,Accuracy:±1.5dB(standard sound source 94dB@1KHz) 2,Measuring range:30-130dB 3,Frequency respond range:31.5Hz-8.5KHz 4,Frequency Weighting:A Weighting(Ambient noise) 5,Response:Fast