China Computer Connected Decibel Sound Level Noise Volume Tester Large Screen HD Display Auto Induction Backlight Noise Meter, Find details about China Noise Meter, Sound Meter from Computer Connected Decibel Sound Level Noise Volume Tester Large Screen HD Display Auto Induction Backlight Noise Meter
Measuringrange | 30dBA~130dBA,35~130dBC |
Accuracy | ±1.5dB |
Frequencyrange | 31.5Hz~8.5KHz |
Frequencyweighting | A/C |
DigitalDisplay | 5digits |
Resolution | 0.1dB |
Measuringlevel | 30~130,40~90,50~100,60~110,80~130 |
Linearityrange | 50dB/100dB |
Samplerate | 2times/second |
ACoutput | 0.707VrmsatFSoutputimpendanceapprox.600ohm |
DCoutput | 100mV/dB,outputimpendanceapprox.100ohm |
Microphone | 1/2inchelectretcondensermicrophone |
Powersupply | 4×AA1.5VBettery(notincluded) |
Operatingcondition | 0~4010~80%RH |
Storagecondition | -10~6010~70%RH |
Weight | 308g(includingbattery) |
Dimension | 70×35×256mm |