The GSPJ-360 from United Test is a fully automatic contact angle goniometer is used to define the wetting properties of liquid to solid. This device is also ideal for measuring angle to calculate, measures the adhesive force, etc. It is universally used in used in petroleum, chemical, medicine, paper making, dye industry as well as science research hand academy education. The product features computer control to take the image and store, print, analyze the data fast. The device has the measuring range up to 180°C and the measuring method is sessile drop.