Profile: Donart Electronics, Inc. specializes in electric & electronic controls, computers and data processing equipment. Our solid state model ellipsometer is a versatile, precision instrument for rapid oil film measurement on tinplate, chrome oxide, steel, aluminum, and other metals. We provide sturdy stainless steel & aluminum construction, light weight, and compact instrument installation on the laboratory bench. Our gamma tester is used to measure edge profile on an uncoated steel sheet, and retested after coating to show coating thickness & variances.