Illumination geometry | 45/0 (45°annular illumination, 0° viewing angle) |
Illumination light source | Full spectrum LED light source |
Measuring aperture | 8mm |
Measurement conditions | Light source D65, field of view 10° |
Measuring time | about 1s |
Color space | CIE Lab, Luv, LCh, Yxy, CMYK, RGB, Hex |
Color difference formula | ΔE*ab, ΔE*uv, ΔE*94, ΔE*cmc(2:1), ΔE*cmc(1:1), ΔE*00 |
Repeatability | Standard deviation ΔE*ab is within 0.03 (average value of 30 measurements on whiteboard every 3s after calibration) |
Dimension | 31.7×31.7×70.4mm (L*W*H) |
Weight | about 51g |
Power supply | Rechargeable lithium battery 3.7V@700mAh, can continuously measure 10,000 times under full power |
Data transmission | Bluetooth |
Charging port | USB (Type-C) |
Operating temperature | 0~45℃, 0~85%RH (no condensation) |
Storing temperature | -25~55℃, 0~85%RH (no condensation) |