Feature 1[Wide Measurement Range] This digital illuminometer can measure up to 200,000 LX, with a resolution of 0.1LX, allowing for accurate measurements in various lighting conditions. 2[Measurement Gear] 200, 2000, 20000, 200000LX, or 20, 200, 2000, 20000FC, this light meter has high flexibility and adaptability to different lighting strength. 3[High Accuracy] With high precise probe, digital photodiode and filter lens, this illuminance meter ensures high accuracy with a 120 incident angle. 4[Alarm Settings] The upper and lower limits of the alarm can be set. When the upper and lower limits are exceeded, the screen will emit a red background light. 5[Auto Power Off] To conserve battery life, this light meter will automatically shut off after 15 minutes of inactivity, ensuring efficient power management.Item Type: Digital IlluminometerMaterial: ABSModel: TA630BMeasurement Method: Split typeMeasurement Range: 0.1-200000LX/0.01-20000FCMeasurement Gear: 200 2000 20000 200000LX, 20 200 2000 20000FCAccuracy: (4%+10dgts); Calibrate with a standard flat lamp with a color temperature of 2856KResolution: LX<200:0.1; LX200:1; FC<20:0.01; 20FC<200: 0.1; FC200:1Illumination Display: Four digit display, up to 1999Sensor: Digital sensor with filter lensSampling Rate: 2 times per secondIncident Angle: 120 degreeRepeat Testing: 2%Spectral Range: 400-700nmAutomatic Power Off: 15 minutes (can be manually turned off)Operating Environment: -10 to 50, maximum 80% relative humidity, indoor altitude <2000mStorage Environment: -10 to 50, maximum 70% relative humidity (with battery removed)Battery: 1.5V AAA battery x 2 (without battery) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Digital Illuminometer1 x User Manual