YFYIQI Color Matching Light Box Applied to Color Difference Testing Industries with D65 TL84 UV F 4 Light Sources Meets ASTM D1729 ISO3664 DIN ANSI and BSI Standard

YFYIQI Color Matching Light Box Applied to Color Difference Testing Industries with D65 TL84 UV F 4 Light Sources Meets ASTM D1729 ISO3664 DIN ANSI and BSI Standard

• With 4 different light sources(D65, TL84, F, UV), which can detect the metamerism.
• Meets or exceeds major international standards for visual color evaluation including: ASTM D1729, ISO3664, DIN, ANSI and BSI.
• Elapsed time meter for tracking optimal lamp replacement.
• Automatically alternating among light sources.
• No warm-up time or flickering which insures quick and reliable color judgment.