The UNI-T UT381A is a high-range illuminance (lux) meter measuring from a fraction of a lux up to 400,000 lx with ±3% accuracy — for lighting design, workplaces, photography, horticulture, laboratories and quality inspection.
It auto-ranges across the full scale, switches between lux and foot-candles, and adds MAX/MIN/AVG, a colour-correction coefficient (CCF) for accurate readings under different light sources, a backlit display and Bluetooth app with 99-set data logging. Genuine UNI-T product supplied by Digilog.pk with warranty and English manual.
Key Features
- 💡 Wide range 0 ~ 400,000 lx, resolution to 0.01 lx; ±3% accuracy
- 🔁 Auto-range; switch between lux and foot-candles
- 🎨 Colour-correction coefficient (CCF) for different light sources
- 📊 MAX / MIN / AVG, data hold and backlit display
- 📲 Bluetooth app with 99-set data logging (1–59 s intervals)
- ✅ CE, UKCA, RoHS certified
Technical Specifications
| Range | 0 ~ 400,000 lx (0 ~ 37,160 fc) |
|---|---|
| Resolution | 0.01 lx (0–99.99), 0.1 lx, 1 lx (high range) |
| Accuracy | ±3% (2856 K standard source), ±6% other sources |
| Units | lx / fc (1 fc = 10.764 lx) |
| Auto range | Yes |
| Modes | MAX / MIN / AVG, data hold, CCF |
| Connectivity | Bluetooth app |
| Data record | 99 sets, 1–59 s interval |
| Display | Backlit LCD |
| Certifications | CE, UKCA, RoHS |
What's in the Box
- UT381A illuminance meter
- Sensor cover
- Battery
- English user manual
Downloads
Certifications: CE, UKCA, RoHS | HS Code: 9027.50