standard light source

The artificial sunlight D65 recognized by the International Institute of Illumination (CIE) is used as the standard basic lighting source; the illuminance range of the light source is 750 to 3200 Luxes (Luxes); the background color of the light source is medium gray, and its reflection rate must be lower than the incident light 1/3; has the function of testing metamerism effect. Microcomputer control is used to switch between various light sources in an instant, avoiding the flashing of lights like household light tubes, so as to accurately compare the color difference of goods under different light sources; accurately record the use time of each group of light tubes, Usually the light pipe needs to be replaced after more than 2,000 hours of use to avoid detection errors caused by the aging of the light pipe; Ultra-Violet Illuminant (UV) for ultraviolet light source, used to detect items using fluorescent and whitening dyes; Provide store light source , other light source contrasting colors are available. It can be used in all-weather applications involving color observation and color matching in various industries such as printing, paint, ink, plastic, printing and dyeing.