เครื่องวัดระดับเสียง GM1356

GM1356 Sound Level Meter

Product Description

* 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 sound range: 

----30~130 dBA

----35~130 dBC

* Accuracy: ±1.5 dB

* Digit & Resolution: 5位 & 0.1 dB

* Frequency response: 31.5Hz ~8.5KHz

* Measuring sound 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

* Calenda

* 4400 data store

* USB computer interface

* Analysis software

* Overload indication: OVER / UNDER

* Automatic backlight

* Low battery indication

* 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)