... By electromagnetic method, the meter can measure the coating thickness non-destructively, including paint, spray-plastic, rubber, ... convenient for engineering locale .5, Thickness unit “μm” or “mil ” optional.6, Micro-controller controls, high accuracy .7, ... .16, Weight : about 190g .17, Accessories:probe, standard thickness pieces(5) , martensite stainless steel block, operating manual, batteries ...