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Method for verifying sensor condition

  • US 7,348,771 B2
  • Filed: 09/18/2006
  • Issued: 03/25/2008
  • Est. Priority Date: 09/07/1999
  • Status: Expired due to Fees
First Claim
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1. A method of verifying sensor condition comprising:

  • mounting an electromagnetic sensor on a test material surface;

    periodically measuring at least one electrical property of the material under a sensor footprint, with sensor response measurements being made at two or more test material temperatures; and

    verifying sensor condition from the sensor response with change in temperature.

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