Benetech GM1358 Handheld Digital Sound Level Noise Tester 30-130dBA 35~130 dBC Volume Testing Meter LCD Screen Auto Power off

Benetech GM1358 Handheld Digital Sound Level Noise Tester 30-130dBA 35~130 dBC Volume Testing Meter LCD Screen Auto Power off This unit was designed according to following standards: A. International electrician committee standard: IEC PUB 651 TYPE2 B. US national standard: ANSI S1.4 TYPE2 Measuring range: 30~130 dBA 35~130 dBC Accuracy: ±1.5 dB Digit & Resolution: 5 digits & 0.1 dB Frequency response: 31.5Hz ~8.5KHz Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130 Frequency weighting characteristic: A & C Time weighting: FAST/SLOW Sampling rate: 2times/second Microphone:1/2 inch polarization capacitance microphone AC/DC output Max reading Overload indication: OVER / UNDER Low battery indication Auto power off / Cancel "Auto power off" Power: 9V battery* 1pcs or DC 6V 100mA adapter ( No included ) Package Content: 1 x Benetech GM1358 Digital Sound Level Meter ( No including the retail box or battery )