EMF detector small size, widely used AC/DC Function voltage per customer need reasonable price, good quality MT Flaw Detector Of Magnetic Particle TestingDetailed Product Description Usage: For aviation, , space flight, railway, automotive, ship, pressure vessel, mechanical industry etc.Main specification ModelHCDX-IHCDX-IIHCXX-EHCJE-AHCJE-DPower220V 50HZ220V 50HZ220V 50HZ220V 50HZ220V ...