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UT353 Mini Sound Lever Meter
UT350 series sound level meters can measure sound noise level and output results in dB. A or C weighted modes can be selected depending on the application. These meters consume very little power and can continuously work up to 20 hours. They are suitable for industrial and environmental sound level measurements.
Features
1. MAX/MIN modes
2. Auto power off (cancelable)
3. AC/DC analog signal output
4. Over/under range indication
5. Data hold, LCD backlight
6. Simulated analog bar
7. A (ear)/C (machine) weighting modes
8. Manual/auto range selectable
9. Fast/slow response rate (fast: 125ms, slow: 1s)
10. Powered by batteries or external power source
Accessories
AAA 1.5V*3 batteries
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Functions |
Range |
Resolution |
Accuracy |
|
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 |
|
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 |
|
|
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 |
|
|
4.5V |
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Current Consumption |
Working |
mA |
≤40mA |
|
Power off |
uA |
≤10uA |
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Working Environment |
Temperature |
|
0～40℃ |
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Humidity |
|
≤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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