The visual color comparison box is used for visual color comparison and visual color matching of coatings and pigments. It is also suitable for other industries where color observation is required, such as printing, papermaking, enamel, ceramics, etc. This device complies with GB/T 9761-1988 standard and ISO3668 standard.
â Daylight fluorescent lamp: similar to CIE standard illuminant D65 Correlated color temperature: Tc = 6500±300°K Color rendering index: Ra>95
âUV fluorescent lamp: Tc = 340K
â Light A: similar to CIE standard illuminant A. Correlated color temperature: Tc = 2854±100°K. Color rendering index: Ra>98
âIlluminance: D65 standard light source is 1000-4000 lux, the center position reaches 2000 lux
â Diffusion screen: average light transmittance >85%
