Place of origin:
China
Supply Ability:
20000 pcs per month
Microphone:1/2 inch polarized condenser microphone
Frequency range:31.5~8000Hz
Accuracy:±1.5dB
Resolution:0.1dB
Data update:500ms
Response time:FAST 125 ms, SLOW 1 s
Standard calibrator:1KHz sine wave at 94 ors 114dB
Display:3-1/2 digital LCD with analog bar-graph
Outputs:AC/DC signal output from earphone jack
AC=1Vrms ,DC=10mV/dB
Output port: Micro USB
Power: One 9V battery or DC 9V
Data logge
[Related Keywords : Sound level, decibel, noise, meter]