UNI-T UT353, SOUND LEVEL METER

UT353 is a mini sound meter which can convert ambient sound
into electrical signals, process data and displays results on LCD. It does not
have traditional meter issues such as meter being too large, complex operation,
and so on. UT353 can constantly monitor ambient sound. It is light weight,
compact, ergonomic, and user friendly, making it a great tool for monitoring
noise levels in hotels, conference halls, home theater, hospitals, and any
other noise sensitive environments.

 

 


Functions


Range


Resolution


Accuracy




Noise（A Weighting）


30～130dB


0.1dB


±1.5dB




Sampling Rate


FASH


　


125ms




SLOW


　


1000ms




Overload Indication


　


　


OL




MAX/MIN


　


　


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


Temperature


　


-20～60℃




Humidity


　


≤75%RH




Key Functions




ON/OFF 


Short press to turn on/off the meter




MAX/MIN


Short press to switch between MAX/MIN/normal measurement
state




FAST/SLOW


Short press to select fast sampling (125ms) or slow
sampling (1s)




HOLD/BL


Short press to enter data hold mode, long press to turn
on/off backlight