Min. Order Reference FOB Price
1 Piece US$20.00 / Piece
Product Description
USB 30-130dB dB Decibel Detector Audio Digital Sound Level Noise Meter Measuring range:30-130dB or 35-130dBc Accuracy : +1.5dB Frequency range: 31.5Hz-8.5KHz Level range: 50dB Frequency weighting: A/C Digital display: 4 digits Resolution: 0.1dB Sample rate: 2times/second Bar graph: ...