... years and lifetime maintence AMD-DOBAMONI DC-411BS Coating Thickness Tester 1,FEATURES * It meets the standards of ... the thickness of nonconductive coating layers covered on nonferrous substrateSuch as:(enamel,rubber,paint,vanish,plastic anodic- ... many years! products including coating thickness gauge,ultrasonic thickness gauge,surface roughness tester,hardness tester,vibration meter,gloss meter etc. ...