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cover the frequency range up to approx. 10 MHz, usually with differential coils and are used for checking for surface defects.

Semi-finished products such as wires, bars and tubes are inspected for crack and hole-like defects using encircling coils.

The surface of semi-finished products or components is inspected using probes. The highest defect resolutions are possible here.

An electromagnetic field is generated with one or two frequencies which is used for the detection of even the smallest quantities of hidden metals (e.g. steel, Fe, Al, Cu, Au, Ag).

The detection sensor emits an electromagnetic field for the detection of metallic objects using active sensors with eddy current technology.

This produces eddy currents in the detection object which for their part generate a secondary electromagnetic field which is detected by the detection sensor and used for evaluation.