Light Meter, 540 Digital Illuminometer 99,999 Lux, High Precision Meter

土3%High Precision & 0.5s Fast Sampling: Engineered with industrial accuracy (土3%) and a rapid 0.5-second refresh speed for instantaneous optical measurement. 0–99,999 LUX Wide Measurement Range: Broad measurement coverage up to 99,999 LUX accommodates low ambient room light, office fixtures, and daylight environments. Clear Backlit HD Screen Display: Features a high-contrast backlit screen that ensures effortless reading in pitch-black workspaces or under direct sunlight. Compact Pocket-Sized Ergonomics: Designed with a lightweight, compact body that easily fits into pockets or tool belts for quick, effortless single-handed use.10-Minute Auto Power-Off Energy Saver: Includes an intelligent 10-minute automatic shut-off feature after inactivity to maximize battery useal lifespan during field audits.