1030 Light Meter Split Digital Illuminance Meter with Temperature Measurement Range Up to 200,000LX for Light Measurement Item Type: Light MeterModel: 1030 Material: ABS Battery: 3 x 1.5V AAA (battery not included) Uses: daily lighting measurement, industrial plant lighting measurement, stage lighting measurement, indoor lighting measurement Lighting probe Silicon diode Illumination range 0~200,000Lx(0~2000Fc), divided into four gears Gear Gear range Minimum resolution accuracy X1 0.0~199.9LX 0.1LX ±3%rdg+5dgts X10 20.0 x 10~199.9 x 10LX 1LX ±3%rdg+10dgts X100 20.0 x 100~199.9 x 100LX 10LX ±4%rdg+10dgts X1000 20.0 x 1000~199.9 x 1000LX 100LX ±4%rdg+10dgts Repeatability ±2% Refresh Rate 2 times per second Temperature Probe NTC Thermistor temperature Range  -20~50℃(-4~122℉) Temperature Accuracy ±1.0℃