Mastech MS6612 Digital Lux

Specifications: 3 ½ digit LCD Display with a maximum reading of 1, 999 Sensor: Silicon photoelectric diode Measurable spectrum range: 320 - 730 nm Sampling rate: > 2 times / second Range: 20/ 200/ 2, 000/ 20, 000/ 200, 000 Lux < 20/ 200/ 2, 000/ 20, 000 Footcandle Accuracy: ± 3% ( calibrated with incandescent lamps in 2, 854K) ± 6% ( other visible light source) Battery life: 200 hours ( approx.) Power supply: 9V x 1 Dimensions: 6 ¾ x 3 ¾ x 1 ¾ inches Weight: 13 oz ( battery not included) Features: Lux / FC selectable 40 segments analog bar graph Data hold Zero calibration Peak value measurement Relative value measurement Max/ min value Auto power off Tripod mountable