UNI-T UT381A Digital Lux Meter, 400,000 lx Bluetooth Light Meter UNI-T UT381A Digital Lux Meter is a handheld illuminance meter for measuring light intensity in lux or foot-candles. With a 0-400,000 lx measuring range, Bluetooth app support, data hold, MAX/MIN/AVG, and 99 sets of data records, it is suited for lighting inspection, LED testing, facility maintenance, and laboratory measurement work. Key Features Wide 0-400,000 lx measuring range: suitable for office lighting checks, production lighting inspection, laboratory testing, LED installation checks, and indoor environmental monitoring. Lux and foot-candle unit switching: supports lx/fc measurements, with 1 fc equal to 10.764 lx. Bluetooth app workflow: supports app connection for data review and time synchronization, making field measurements easier to record. Measurement tools for repeatable work: includes auto range, MAX/MIN/AVG, data hold, backlight, color correction coefficient, and 99 sets of data records. Flexible probe design: integrated, rotatable, and split probe use helps position the sensor for different lighting measurement setups. Specifications Product UNI-T UT381A Digital Lux Meter, 400,000 lx Bluetooth Light Meter SKU Unitrend-UT381A Brand UNI-T / Uni-Trend Model UT381A Measurement range 0-400,000 lx Resolution 0.01 lx / 0.1 lx / 1 lx, depending on range Accuracy +/-3% under 2856K standard light source; +/-6% under other visible light sources Units lx / fc Functions Auto range, MAX/MIN/AVG, data hold, backlight, color correction coefficient, real-time display Data record 99 sets Record interval 1-59 seconds Probe method Integrated rotatable probe and split probe design Wireless connection Bluetooth app support Battery 3 x AAA batteries Certifications CE, UKCA, RoHS references from official UNI-T product materials Reference UNI-T UT381A official product information Typical Uses Lighting installation checks: verify illumination levels for LED lighting, workspace lighting, and facility maintenance. Laboratory and quality control: compare light intensity, check repeatability, and document measurements. Office and industrial environments: inspect ambient lighting for comfort, safety, and compliance workflows. Photography and display work: compare light levels when tuning shooting, display, or inspection environments. FAQ Q: Which exact model does this listing cover?A: This listing is for SKU Unitrend-UT381A and is optimized as UNI-T UT381A. Q: What is the measuring range?A: The UT381A official range is 0-400,000 lx, with lux and foot-candle unit switching. Q: Does it support data recording?A: Yes. Official UT381A materials list 99 sets of data records and a 1-59 second record interval. Q: Does it connect to an app?A: Yes. Official UT381A materials list Bluetooth app support.
