Features: AC/DC output Max reading
Overload indication: OVER / UNDER Low battery indication Auto power off / Cancel"Auto power off"
Specifications:
Brand: BENETECH
Model: GM1357 This unit was designed according to following standards: A.
International electrician committee standard: IEC PUB 651 TYPE2 B.
US national standard: ANSI S 1.4
TYPE2 Measuring range: 30 to 130 dBA; 35 to 130 dBC
Accuracy: +/- 1.5 dB Digit and
Resolution: 5bit, 0.1 dB
Frequency response: 31.5H z to 8.5KH z
Measuring level: 30 to 130, 40 to 90, 50 to 100, 60 to 110, 80 to 130
Frequency weighting characteristic: A and
C Time weighting: FAST/SLOW
Sampling rate: 2times/second
Microphone: 1/2 inch polarization capacitance microphone
Power: 4* 1.5V AA battery or DC 6V 100mA adapter (Battery not included)
Dimension: 256*70*35mm
Package Includes: 1 * Sound Level Meter