Small, lightweight and highly reliable colour measuring instrument Has a universal measuring aperture. If the instrument is not used for a long time, it should be stored in the box. Avoid foreign objects such as liquids, powders, and solids from entering the inside of the instrument to prevent abnormal measurement data. Before switching on the instrument, please check whether the external power supply has been connected or the battery has been installed to ensure that the instrument has power, and then start the instrument. Widely used in traffic signs, plastics, electronics, paint, ink, textile and clothing, printing and dyeing, printing paper, plastic and electronic, paint and coating, textile printing and dyeing, ceramics and other industries to control the colour difference.