GM1356 Digital Sound Level Meter USB Noise Tester Meter 30~130 dBA 35~130 dBC AC/DC Output with Analysis Software

• 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

• PWM output

• Calendar

• 4700 data store

• USB computer interface

• Analysis software

• Overload indication: OVER / UNDER

• Automatic backlight

• Low battery indication

• Auto power off