These digital light meters measure visible light from fluorescent, metal halide, high-pressure sodium, or incandescent sources. Meters include a silicon photodiode sensor and filter, and feature a wide measuring range with precision accuracy (0.01 Fc/Lux) making them ideal for measuring output levels of lighting fixtures and more. Meters are designed for simple one-hand operation and feature a large easy-to-read 3-1/2 digital LCD display.