The UNI-T UT381A light meter measures illumination from 0 to 400,000 lux with ±3% accuracy. It features Bluetooth connectivity for data logging and a rotating probe that allows for flexible measurement positioning.
The UNI-T UT381A light meter measures illumination from 0 to 400,000 lux with ±3% accuracy. It features Bluetooth connectivity for data logging and a rotating probe that allows for flexible measurement positioning.





The UNI-T UT381A light meter measures illumination from 0 to 400,000 lux with ±3% accuracy. It features Bluetooth connectivity for data logging and a rotating probe that allows for flexible measurement positioning.
Guarantee
24 month
Delivery from Europe in
15 - 16
business days
The UNI-T UT381A luxmeter measures illumination from 0 to 400,000 lux with ±3% accuracy. It features Bluetooth connectivity for data logging and a rotating probe that allows flexible positioning of the device.
Features | |
|---|---|
| Product type | Luxmeter |
| Brand | UNI-T |
| Model | UT381A |
Specifications | |
| Measuring range | 0 ~ 400,000 lux |
| 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 using standard light source 2856K); ±6% (calibration using other light sources) |
| Power source | 3 × AAA batteries |
| Battery life | More than 100 hours (kai Bluetooth and backlight off) |
| Operating temperature | -10°C ~ 50°C, lt;90% RH (non-condensing) |
| Storage temperature | -20°C ~ 70°C, lt;80% RH (non-condensing) |
| Weight | Approx. 257 g (excluding batteries) |
| Dimensions | 235 x 64.5 x 39.8 mm |
Additional information | |
| Safety certificates | CE, UKCA, RoHS |
| Bluetooth app support | Supported |
| Data logging | 99 sets |
| Color Correction Function (CCF) | Supported |
| Automatic shutdown | Supported (without activity for 10 seconds, the function can be disabled) |
| Height | 100mm |
| Length | 300mm |
| Weight | 350 g |
| Width | 80mm |