The UNI-T UT381A lux meter is a reliable, safe and versatile device for measuring illuminance in a wide range (from 0 to 400,000 lux). Equipped with an integrated, detachable and rotatable probe, it provides maximum flexibility during work in different conditions. The device allows for data storage and also supports Bluetooth connectivity, making it easy to monitor and analyze results in real time. The UT381A also offers a color correction function (CCF) for even more accurate measurements. The product is CE and UKCA certified and supports multiple languages ​​including Polish, English, French, German, Italian, Spanish, Swedish and Czech.
The UNI-T UT381A is ideal for laboratories, offices, public lighting construction, retail and other industrial and commercial applications. With its wide measurement range and built-in color correction function, the device provides accurate measurement results regardless of the type of light source. Multilingual support facilitates the joint work of international teams, and the storage of results enables easy documentation and analysis of measurements over a longer period of time.
Thanks to the advanced, rotatable probe, the positioning of the device can be adjusted to any situation, which greatly increases the comfort of work. The lux meter allows real-time display of results, and the option to connect to a Bluetooth application further simplifies data management. The UT381A is a combination of robust design, functionality and innovative technology - ideal for anyone who needs an accurate and reliable device for measuring illumination.

- Model UT381A
- Safety certificates CE, UKCA, RoHS
- Measuring range 0 ~ 99.99 lx (99.99 fc); 100 ~ 999.9 lx (999.9 fc); 1000 ~ 400000 lx (37160 fc)
- Resolution 0.01 lx (0.01 fc) in the range 0-99.99 lx; 0.1 lx (0.1 fc) in the range 100-999.9 lx; 1 lx (1 fc) in the range 1000-400000 lx.
- Accuracy ±3% (calibration with a standard light source at a temperature of 2856 K); ±6% (calibration with other light sources)
- Switching units lx, fc, 1 fc = 10.764 lx
- Automatic range selection Supported
- MAX/MIN/AVG recording Supported
- Data retention function Supported
- Color Factor Correction (CCF) Supported
- Display backlight Built-in
- Bluetooth App Support Supported
- Data logging 99 sets
- Data recording interval 1-59 seconds
- Real-time data display (can be updated manually or via application) Supported
- The indication of exceeding the range is the "OL" message
- Low battery indicator Built-in (automatic shutdown 10 seconds after the icon flashes)
- Automatic shutdown Supported (no activity for 10 seconds, the function can be turned off)
- Measurement method Built-in probe (rotating) or split design
- Power supply 3 × AAA batteries
- Battery life More than 100 hours (with Bluetooth and backlight off)
- Operating temperature -10°C ~ 50°C,