Sper Scientific 840010 Pocket Light Meter

This tiny light meter is less than ¾" thick, weighing less than 4 oz. (120 g) and is easily carried in a shirt pocket. The controls, display and sensor are all neatly contained and protected within the folding case with directions printed right inside the cover. When open the sensor may be extended for remote use or snaps into a fixed position atop the case. Units features bar graph display, auto power off, and hold functions and indicates low battery and over range. Powered by 2 button cell batteries, (included). Operating temperature is 0 ~ 40°C, with an operating RH of 80% non-condensing, maximum. Will read LED light. N.I.S.T. traceable certificate of calibration available.