A sensor device includes: at least one magnetic field generator having an end face line, the at least one magnetic field generator being configured to determine an angle of rotation by use of at least one sensor unit; and the at least one sensor unit configured to detect a magnetic flux density representative of the angle of rotation about an axis of rotation, which axis of rotation lies in a magnet plane of the at least one magnetic field generator and runs perpendicularly to the end face line. The magnetic field generator is formed as a dipole magnet with a north pole and a south pole. A pole separation plane separates the north pole and south pole.