Cal-Light 400 : Light Meter with NIST Certificate

This user friendly unit is a calibrated precision light meter capable of measuring ambient illumination. This ergonomically designed unit has an angled sensor with a silicon photodiode, allowing the measurement to be taken and the output to be read simultaneously. With single button operation, a single click switches the unit ''ON'' and holding the button ''HOLDS'' the reading. The light meter automatically shuts off after about one minute. What's Included: integral stand and NIST-traceable calibration certificate supplied by the manufacturer.