Eddy Current Testing
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The underlying principle behind Eddy Current testing is illustrated in the drawing above. Eddy Currents are generated in the product under test when alternating voltage or current flows through the excitation coil.
Surface and sub-surface defects result in perturbations of the field. These perturbations are detected by the detector coils.

DYNATEST R - an apparatus fully integrated with CASTEL ,designed to deliver a repeatable excitation source to test the entire system starting from the Eddy Current probe, through the signal processing and finally data presentation- the complete measurement chain.

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