FNIRSI Noise Decibel Meter Home Volume Detector(Blue)
Designer: HoMEdemic™
$45.72
1. Accuracy: 1.5dB (based on standard sound source, 94dB@1KHz)2. Frequency range: 31.5Hz-8.5KHz3. Dynamic range: 3.50dB4. Measuring range: 30-130dB5. Digital display: 4 digits, resolution 0.1dB, sampling rate 2 times/second6. Dynamic scale display: 1 scale represents 2dB, sampling rate is 2 times/second7....