UT383 is a mini light meter equipped with photoelectric sensing technology, which can effectively represent light intensity with electrical signals, then processes data and displays the result on LCD. It is light weight, compact, ergonomic, and user friendly, making it a great tool for monitoring light intensity in homes, offices, schools, laboratories, indoor farming, hospitals, and other areas.     Functions Range Resolution Accuracy Luminance 0～9999Lux 1LUX ±4%rdg+5dgts ≥10000Lux 10LUX ±5%rdg+8dgts 0～9999Fc 1Fc Bit conversion：FC=LUX/10.76      The accuracy of FC does not need to be checked. It is calculated by the    formula. Input the same value and convert units to check whether it conforms    to FC=LUX/10.76 ≥10000Fc 1Fc 　 Measurement Range 0～200，000 lux 　 Sample Rate 0～9999Fc 1Fc 0.5s Overload Indication 　 　 OL MAX/MIN 　 　 MAX/MIN Data Hold 　 　 HOLD LCD Backlight 　 　 Yes Auto Power Off 　 　 5min Low Battery Indication 　 　 3.0~3.5V Battery 　 　 4.5V Current Consumption working mA ≤30mA Power off uA ≤10uA Working Environment Temperature 　 0～40℃ Humidity 　 ≤80%RH Storage Environment Temperature 　 -20～60℃ Humidity 　 ≤75%RH