Description General description Measures light intensity up to 40,000 Foot-candles or 400,000 Lux with high resolution to 0.01 Fc/Lux. Ideal for indoor lighting tests and for checking security and safety illumination in parking garages, night time ATM areas, stairwells, landings, and hallways. • Complete with 9V battery, light sensor with protective cover, protective holster, and soft case • Remote light sensor on 12" (30.5cm) coiled cable — expandable to 24" (61cm) • Measures up to 40,000Fc/400,000Lux with 0.01 rmax resolution and basic accuracy of ±(5% rdg + 0.5%FS)