Optical Coodinate Measuring System YF-1510 1.Passed ISO9001:2008,CE 2.Accuracy:3um 3.10 years factory 4.Resolution:0.001mm No Difficult Products to Test in the World! Optical Coodinate Measuring System YF-1510 UsageIt designed to measure the two coordinates in all application areas and is widely used in different kinds of precision finishing industries, such as: machinery, electronics, ironware, ...