Product parameters: Illuminance measuring device model TA630A TA630BMMeasurement method: one pieceMeasuring range 0.1 200 000LUX/0.01 20 000FCMeasuring device 200/20000/200000/200000LUX 20/200/20000LUX 0/2000 00FCAccuracy (4%+10 digits; calibrated with a quasi-flat lamp with a color temperature of 2856 K;