Coating thickness meter

Can measure the thickness of non-magnetic coating layers on magnetic substrate, such as: (aluminum, chrome, copper, enamel, rubber, plaint) on magnetic substrate(steel, iron, alloy and magnetic stainless steel),And can measure the thickness of nonconductive coating layers covered on nonferrous substrate, such as:(ename1,rubber,paint,vanish,plastic anodic-oxide layer) covered on nonferrous substrate(aluminum, brass, nonmagnetic stainless steel) CM-8820, CM-8821, CM-8822, CM-8823, CM-8825FN, CM-8825F, CM-8825N, CM-8826FN, CM-8826F, CM-8826N, CM-8829, CM-8829S. Features: 1,It meets the standard of ISO2178,DIN, ASTM and BS. Suitable for the laboratory and for use in harsh field conditions. 2,Can communicate with PC computer for statistic and printing by the optional cable and the software for RS232C interface.