Portable Digital Sound Level Meter AS824

Microphone 1/2 Inch Electret Condenser Microphone
Measuring Range 30~130dB
Accuracy ±1.5dB
Frequency Range 31.5HZ~8.5KHZ
Frequency Weighting A/C
USB Computer Connect
Data Analysis
Data Store
AC\DC Output
Low Battery Indication
Over Range Indication
Resolution 0.1dB
Time Weighting Selection Fast/Slow
Max Hold Function