Sound level meter UNI-T UT353 mini. The UT353 is a reliable and easy-to-use sound level meter that allows you to take accurate measurements of ambient noise. With this versatile device, you can measure sound levels from 30 dB to 130 dB. Ambient sounds are converted into electrical signals, and the device displays the results on its LCD screen. Additionally, with the data storage function, you can freeze the measurements on the screen for easy reading, while the LCD backlight makes it easier to take measurements in low light conditions. Other valuable features include a MAX/MIN mode, a low battery and overload indicator, and an automatic shut-off function.