coating thickness meter cm-8823 application: designed for measuring the thickness of non-conductive coating layers (ename1, rubber, paint, vanish, plastic anodic-oxide layer) covered on non-ferrous substrate (aluminum, brass, zinc, tin and non-magnetic stainless steel) also electrically insulating coatings, such as lacquer, paint and anodising coatings on non-ferrous metals are accurately measured. product synopsis measurement range 0～200um/500um/1000um/～15000um resolution 0.1/1 tolerance ±(1～3%n) or ±2um power supply 4x1.5v aa(um-3)battery dimension 161x69x32