DMD-555Win far-field eddy current detector is a new generation of eddy current non-destructive testing equipment. It adopts the most advanced FPGA/DSP digital electronic technology, far-field eddy current technology and microprocessor technology, and multi-channel real-time detection technology, which can effectively detect the inner and outer wall defects of ferromagnetic metal pipes in real time. DMD-555Win far-field eddy current detector adopts Win98 operation interface, which has stronger function, simpler operation and more beautiful interface; It is not affected by probe removal, skin effect, electrical conductivity and permeability inequality.