... OEM AMD-DOBAMONI DC-114A F and NF Type portable paint thickness tester 1.FEATURES * It meets the standards of ... on magnetic substrate.Such as:(aluminum,chrome,copper,enamel,rubber,paint)on magnetic substrate(steel,iron,alloy and magnetic stainless ... nonconductive coating layers covered on nonferrous substrateSuch as:(enamel,rubber,paint,vanish,plastic anodic-oxide layer)covered on nonferrous substrate( ...