The Fluke 941 is a handheld split-probe digital light meter equipped with silicon photodiode sensor complying with CIE human eye spectral response. It accurately measures visible light from fluorescent, metal halide, high-pressure sodium and incandescent lamps. The measuring range covers 20~200000 Lux / 20~20000 fc, with auto/manual range selection, zero calibration, Min/Max and Data Hold functions. Supplied with a protective sensor cap, it is compact and portable, widely used for illuminance inspection in factories, cleanrooms, offices, warehouses, lighting projects and HVAC environmental acceptance.