Uni-T UT353BT Mini Sound Level Meter The Uni-T UT353BT Mini Sound Level Meter is a compact device for measuring noise in the range of 30–130 dB, combining good accuracy (±1.5 dB) with simple operation and additional data analysis features. With an adjustable sampling rate (125 ms / 1000 ms), a clear backlit LCD screen, and a built-in 1/2-inch condenser microphone, it allows you to monitor sound levels in real time under various conditions. The BT version expands capabilities with Bluetooth connectivity and integration with the iENV app available on Android and iOS, making it easier to save and further analyze results. The entire unit meets safety standards confirmed by CE and UKCA certifications. Included Uni-T UT353BT Sound Level Meter Batteries Microphone windscreen User manual Blister packaging Manufacturer Uni-T Model UT353BT Measurement range 30 ~ 130 dB Accuracy ±1.5 dB Resolution 0.1 dB Sampling frequency Fast 125 ms / Slow 1000 ms Frequency range 31.5 Hz ~ 8 kHz Microphone 1/2 inch, condenser Display 32 × 26 mm LCD, backlit Functions MAX/MIN, Data Hold, overload indicator (OL) Connectivity Bluetooth, iENV app (Android, iOS) Power supply 3 × 1.5 V battery (R03) Weight 116 g Dimensions 150 × 52 × 27 mm Certifications CE, UKCA
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