Measurement range: 0~199
Whiteness formula: Blue light whiteness WB=R475
Light source: LED light
Lighting conditions: comply with GB/T39 78 regulation 45/0
Display: LCD
Aperture measurement: 30
Minimum value: 0.1
Measurement repeatability: 0.2
Indication error: ± 1;
Operating environment temperature (5 ℃~35 ℃); Humidity (85%; Rh);
Transportation and storage environment: temperature (20 ℃ to 50 ℃); Humidity (90%; Rh)
Power supply: AC 220V/50Hz