... 7nm UV tube and the 253.7nm ultraviolet radiation illuminates on the phosphor powder coating directly to stimulate it blazing. After ... tristimulus values integrate detector of CHC-100 colorimeter, and then calculate the color temperature(CCT), chromaticity coordinate(x,y), CIE1960(u ... results displayed. The system fits for the fast test on production line and the extempore test for the quality control ...