Method for monitoring the integrity of an eddy current inspection channel
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United States of America Patent
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Apr 19, 2016
Grant Date -
Oct 1, 2015
app pub date -
Mar 26, 2014
filing date -
Mar 26, 2014
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Abstract
An eddy current object testing system includes an EC probe and an acquisition channel which is configured to receive an EC signal from the EC probe and to generate a visual output, namely an impedance plane representation, of the output. A display is coupled to the acquisition channel to display the visual output. The at least one probe is provided with a test loop substantially surrounding it and has a series switch which can be selectively closed or opened to thereby cause the image plane to assume a state that is indicative of a fault, if any, in the EC probe.
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