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.
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Functions |
Range |
Resolution |
Accuracy |
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Noise (A Weighting) |
30～130dB |
0.1dB |
±1.5dB |
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Sampling Rate |
FASH |
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125ms |
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SLOW |
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1000ms |
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Overload Indication |
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OL |
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MAX/MIN |
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MAX/MIN |
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Data Hold |
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HOLD |
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LCD Backlight |
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|
Yes |
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Auto Power Off |
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5min |
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Low Battery Indication |
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3.0～3.5V |
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Battery |
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4.5V |
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Current Consumption |
Working |
mA |
≤40mA |
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Power off |
uA |
≤10uA |
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Working Environment |
Temperature |
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0～40℃ |
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Humidity |
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≤80%RH |
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Storage Environment |
Temperature |
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-20～60℃ |
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Humidity |
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≤75%RH |
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Key Functions |
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ON/OFF |
Short press to turn on/off the meter |
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MAX/MIN |
Short press to switch between MAX/MIN/normal measurement state |
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FAST/SLOW |
Short press to select fast sampling (125ms) or slow sampling (1s) |
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HOLD/BL |
Short press to enter data hold mode, long press to turn on/off backlight |
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