... /DC Function voltage per customer need reasonable price, good quality MT Flaw Detector Of Magnetic Particle TestingDetailed Product Description Usage: For ... ;Type E:10-100mm;Type O:ID.120mmMT YOKEHCDX-220 MT detector has no power controller, direct contact with 220V power ... -200mm adjustable.Model: AC AC&DC AC/DC HCDX-220 MT Flaw Detector Yoke Of Magnetic Particle Testing