... light 5. Auto-measure Eddy Current Metal Detector for pipe ,bar ,tubeEddysun is one of the well-known ... light and portable, the built-in rechargeable lithium-battery can be used at local test where there’s ... ,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 ...