... 5. Auto-measure Eddy Current Metal Detector for pipe ,bar ,tubeEddysun is one of the well-known ... ,Zr etc.It restrains the interference signal of pipe on service induced by the shake of facing ... bar , hollow, probe , sediment and pipe cold working.It can detect the metal material defect ... desired programs and parameters, and operate with man-machine conversation, hints of menu, and hot-key help ...