An instrument for measuring the surface gloss of materials. It is mainly suitable for products such as paints, coatings, inks, plastics, marble, granite, vitrified polished tiles, ceramic tiles, and paper. (Except for WG60/WG60T models, all other models can detect high-gloss materials such as metals.) Automatic calibration: Automatic calibration upon power-on, automatic measurement, ready to use immediately, convenient and fast. Customizable standards: Allows setting custom standards for pass/fail criteria, with one-button judgment and screening. Large storage capacity: Built-in storage for 100 sets of data, real-time viewing on the device. (WG60G/WG60A/WG68 models have built-in storage of 500 sets / 10000 sets / 50000 sets respectively, with unlimited capacity on the computer software.), Manufacturer: KOGEDSS