Sper Scientific Advanced Light Meter 840022
unit is in working condition and comes with everything shown.
Monitor light levels anywhere with fast, stable and accurate response. Results are easily read on the extra large LCD (1½" high, 38.1mm) with bar graph, low battery and over range indications. The color and cosine corrected sensor meets C.I.E. photopic spectrum. Will read LED light. Also features RS232 computer output, min/max, auto power off, external zero adjustment, hold function and a tripod back. Offers peak function and a unique and very useful ability to compensate for the different colors of tungsten, florescent, mercury and sodium lights, with the push of a button. The result is readings true to actual lighting conditions