Vorrichtung zur zerstörungsfreien Prüfung von metallischem Langgut sowie Verwendung der Vorrichtung

The apparatus has a radio frequency (RF) coil assembly (7) that is arranged in longitudinal section of metal material, and is provided with two coil segments (71,72) which are arranged along circumference of metal material. The two coil segments are spatially separated from one another, and are laterally joined to the peripheral portion of the metal material along longitudinal direction.