... )0~1250 μmMeasuring the thickness of the non-magnetic coatings on steel, iron and other magnetic metal matrix,such ... amphibious type)Measuring the thickness of the non-magnetic coatings on steel, iron and other magnetic metal matrix,such ... ferromagnetic matrix, such as paint, powder, all kinds of anticorrosive coatings, plastic, rubber, synthetic materials, phosphating layer, oxidation layer AT ...