30-130dB Noise Decibel Monitoring Testers Metro decibel meter DB 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

• It is widely used in noise detection, quality control, health control, environmental noise measurement in factory, traffic, home audio and other places.
• Can withstand the impact of landing from 1 meter height.
• 4-bit LCD display. The maximum display is 9999.
• This product uses miniature condenser microphone sensing technology and bandpass weighting network design.
• This microphone adopts metal hole design and internal dual protection.

It is widely used in noise detection, quality control, health control, environmental noise measurement in factory, traffic, home audio and other places.UNI-T