【Wide Ranges, High Accuracy】Mastfuyi decibel meter uses a precise electret condenser microphone to capture sound, measures sound level 30 dB to130 dB. It's calibrated at factory, with highly accurate ...
Decibel Meter with A Weighting: TopTes TS-501A decibel meter uses a precise condenser microphone to capture sound. It’s equipped with A-weighting facilities that measure noise levels from 30 to 130 dB ...