UNI-T UT381A Illuminance / Lux Meter With Bluetooth Connectivity

The UT381A is a safe and reliable digital light meter designed for a wide range of lighting applications, including laboratory use, office spaces, street light construction, and commercial venues. Here are the key specifications and features of the device:

1. Measurement Range: The UT381A has a wide measurement range from 0 to 400,000 lx (or 0 to 37,160 fc), offering versatile applications for various lighting conditions.

2. Accuracy:

   • ±3% calibration as per standard light sources at 2856K.
   • ±6% calibration for other visual light sources.

3. Display and Units: The device features a real-time display and can switch between units of lx and fc (1fc = 10.764 lx). It includes multiple functions such as MAX, MIN, and AVG readings.

4. Auto Range: The light meter has an automatic range switch for ease of use.

5. Data Storage: It can store up to 99 data sets, with a customizable record interval ranging from 1 to 59 seconds.

6. Bluetooth Connectivity: The UT381A supports Bluetooth for connection with a mobile app, enabling remote monitoring and settings adjustment.

7. Color Correction Coefficient (CCF): The meter includes a color correction coefficient to ensure accurate readings under various lighting conditions.

8. Additional Features:

   • Backlight: The display is backlit for better visibility in low-light conditions.
   • Data Hold: The ability to hold readings on the display.
   • Over-Range Indication: The device displays "OL" when the measurement exceeds its range.
   • Low Battery Warning: The device automatically powers off when the battery is low, and the low battery icon flashes for 10 seconds before shutdown.
   • Auto Power Off: The meter automatically powers off after 10 seconds of inactivity (this can be disabled).

9. Battery Life: The UT381A operates on three 1.5V AAA batteries, providing over 100 hours of usage when Bluetooth and backlight are turned off.

10. Operating Conditions: The device functions within a temperature range of -10°C to 50°C and humidity levels below 90% (non-condensing).

11. Storage Conditions: For storage, the meter can withstand temperatures between -20°C and 70°C with humidity levels below 80% (non-condensing).

12. Physical Dimensions: The product size is 235mm x 64.5mm x 39.8mm, and it weighs approximately 257g (without batteries).

13. Included Accessories:

• 1 Quick Start Guide
• 3 AAA 1.5V batteries
• 1 Type-C charging cable
• 1 Strap
• Safety instructions
• Gift box

14. Warranty: The product comes with a 1-year warranty.