The MAG 100 is to be used for EMC Tests requiring AC Magnetic Fields. Power frequency magnetic fields are generated by AC current flowing in conductors. The normal 50/60Hz mains power cord is a good example, although currents with other frequencies may be present dependant on the application.Magnetic fields may interfere with equipment operated in close proximity. Typical EUTs are monitors of all kinds. MAG 100 has a 1m x 1m square, single turn antenna.