Quartz sand color selector
With the development of economy and the improvement of living standards, people's demand for food quality is higher and higher. Color sorter is a kind of characteristics by using optical and color material, the color is not normal or surface defects and impurities defects from the material in nondestructive detection, and new mechanical automatic sorting out, it applies the new technology of electronics, biology, high-tech equipment, light mechanical and electrical integration of typical the. At present, the domestic color sorting machine market in Japan, Korea, Italy and other countries, mainly for the photoelectric tube color selection. Because of the depth of the lens and the light and other factors determine the 2048 pixel unit can not all be used. Each meter is about more than and 30 pixels. The number of pixels is determined by the resolution of the system.