... ,By electromagnetic method, the meter can measure the coating thickness non-destructively, including paint, spray-plastic, rubber, enamel ... units:μm or mil.8, Critical thickness of metallic base:1mm.9, Minimum thickness of metallic base:0.2mm.10,Minimum ... mm.16, Weight : about 190g .17, Accessories:probe, standard thickness pieces(5) , martensite stainless steel block, operating manual, batteries. ...