... base (e.g. zinc, aluminum, Cr. Copper, rubber, paint, coating on the base of steel, iron, alloy and hard magnetic ... N probe) measure all electrically insulating coating layers, such as lacquer, Varnish, paint, anodizing coating on nonferrous metals, also on austenitic ... according to customer specific needs. provide best and professional service for you, pls contact with us freely; Stable performance, ...