Functions
Range
Resolution
Accuracy
Noise（A Weighting）
30～130dB
0.1dB
±1.5dB
Sampling Rate
FASH
125ms
SLOW
1000ms
Overload Indication
OL
MAX/MIN
Data Hold
HOLD
LCD Backlight
Yes
Auto Power Off
5min
Low Battery Indication
3.0～3.5V
Battery
4.5V
Current Consumption
Working
mA
≤40mA
Power off
uA
≤10uA
Working Environment
Temperature
0～40℃
Humidity
≤80%RH
Storage Environment
-20～60℃
≤75%RH