The main function is to test aids water contact angle on the concave or convex samples, test methods as follows: water droplet contact angle measurement angle measurement before contact angle measurement 1. Open the sample pictures; 2. Choose a good test use After the way to manually click on the toolbar to fit the switch; baseline round 3. Click on the toolbar or baseline oval Dongguan company contact angle, convex or concave fitting test sample; impurities in the sample surface roughness roughness of the sample surface The distribution of surface heterogeneity temperature and humidity of the air component elements of the sample surface contamination sometimes affect not only the size of the contact angle of the contact angle of water, but also non-polar solvent such as methylene iodide contact angle of the contact angle meter, there it can be calculated using the formula after the two sets of data. You do not know what instruments to measure the contact angle of the contact angle of the price, if it is a video optical contact angle measuring instrument, it should be its own calculation of the surface free energy of the function, its help file which has a detailed calculation methods. Dongguan company contact angle, ShengDing instrument (certified), the contact angle is provided by Dongguan Sheng Ding Precision Instrument Company. Dongguan Sheng Ding Precision Instrument Co., Ltd. (www.dgshengding.com) (www.dgshengding.com) is Dongguan, Guangdong, dedicated instrumentation leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum limits to meet customer needs. Sheng Ding instrument in leadership with the staff warmly welcome all inquiries negotiations to create ShengDing instrument a better future.