GM1357 Ψηφιακός Μετρητής Ήχου 30dΒΑ - 130dΒΑ / 35dΒC - 130dΒC

Specification
* 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位 & 0.1 dB

Features
*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”

Package
*Packing method: PP box + Gift box
Power: 1.5V AA
4pcs or DC 6V 100mA adapter
Dimension: 256*70*35mm
Weight: 308g (including batteries)