Measure visible light levels anywhere with fast, stable, and accurate response

Certified light meter 57800-250 includes a NIST traceable certificate of calibration.

Results are easily read on the extra-large 22mm (⅞") LCD display, which also indicates when the battery is low or the reading over range. The color and cosine corrected light sensor meets C.I.E. photopic spectrum. The unit also features an external zero adjustment, hold function, and a tripod back.