Dualscope FMP100 has consist eddy current induction and magnetic induction method to measure the thickness of non-conductivity layer over non-ferrous base and the thickness of non-ferrous material coating thickness over ferrous material base. The operating system is using Windows CE which can give the user- friendly environment to operate and display the statistic result in graphic. Easy setting the measuring report output format either in PDF format or direct print-out from the USB port. It can measure very thin coating less than 10um on the substrate with very good repeatability. It has color display. It will set up a new standard for hand held coating thickness measuring instrument.