Sound level meter with USB

Alat ukur tingkat kebisingan dengan koneksi USB
*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 and Max reading
* PWM output, Calenda and 4700 data store
* USB computer interface and Analysis software
* Overload indication: OVER / UNDER
* Automatic backlight ,Low battery indication and Auto power off
* Packing method: PP box + Gift box
* Power: 1.5V AA* 4pcs or DC 6V 100mA adapter
* Dimension: 256*70*35mm
* Weight: 308g (including batteries)


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