Hand Magnetization Device, Cross Yoke KMU 8/42 mini

Hand Magnetization Device, Cross Yoke KMU 8/42 mini – two AC yokes (pole spacing 140 mm) are arranged
crosswise. They are supplied by two equal AC currents at 90 degree phase shift. Thus, a rotating magnetization vector is created, whose field strength is equal in all directions.
With this technology surface defects can be detected independently from their offset direction during one inspection step. The magnetic field is induced to the test specimen through a small air gap. Four wheels are installed at the poles which keep the distance between the poles and the surface of the test specimen constant. Furthermore, they
enable smooth movement of the yoke.
The tangential field strength is constant 27 A/cm at an air gap of 5 mm.
Cross yoke KMU 8/42 mini is fully sealed and designed according to IP 54 protection. The cross yoke is supplied
by a safety transformer (2 x 42 V AC). The transformer is designed according to IP 23 protection. It requires 3 x 400 V AC primary. Special designs are available for fillet weld or area testing.