Light Meter, DT-1309 Digital Lux Meter Illuminance Tester with USB Interface

1.Supports an ultra-wide measurement range up to 400,000 Lux/FC, making it suitable for both low-light and high-intensity lighting measurement applications. 2.Equipped with a USB interface for easy connection to a computer, allowing convenient data transmission, analysis, and record management. 3.Delivers high measurement accuracy with fast response speed, including peak locking and tracking capable of capturing optical pulse signals greater than 10 microseconds. 4.Features relative measurement, automatic zero reset, and automatic correction based on standard light sources to ensure consistent and reliable measurement results. 5.Offers practical functions such as Lux/Foot-Candle unit switching, automatic range shifting, and auto power-off after 20 minutes of inactivity to enhance usability and energy efficiency.