... thickness gauge The built-in inductive double function sensor Paint Coating thickness meter AC-112C AMAMITTARI-AM SERIESAM COATING ... plastics,copper,aluminum,zinc,tin,power,synthetic materials,Phosphide layer,Lead,tin,cadmium,ceramic oxide, Covering layer) on steel,iron ... layers on non-magnetic substrate.Such as: enamel,rubber, paint, plastic powder,synthetic materials,anodic-oxide layer on copper, ...