Digital Sound Level Meter (Range: 30dB~130dB)

Digital Sound Level Meter (Range: 30dB~130dB)
1)Measuring range: 30~130 dBA；35~130 dBC
2)Accuracy: ±1.5 dB
3)Digit & Resolution: 5digits & 0.1 dB
4)Frequency response: 31.5Hz ~8.5KHz
5)Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130
6)Frequency weighting: A / C
7)Time weight: FAST/SLOW
8)Sampling rate: 2times/second
9)Microphone: 1/2 inch polarization capacitance microphone
10)AC/DC output
11)Max reading
12)Barcode indicate the value
13)Overload indication: OVER / UNDER
14)Low battery indication
15)Power: 1.5V AA* 4pcs (not included) or DC 6V 100mA adapter