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Smart determination of dissolved oxygen probe operating bias

  • US 20030111358A1
  • Filed: 12/19/2001
  • Published: 06/19/2003
  • Est. Priority Date: 12/19/2001
  • Status: Active Grant
First Claim
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1. A method for determining dissolved oxygen utilizing an oxygen probe, said method comprising the steps of:

  • passing a constant current though a working electrode to establish a reference electrode voltage relative to said working electrode;

    measuring said reference electrode voltage at a first current level and at a second current level utilizing said oxygen probe, wherein said first and second current levels define limitations of oxygen electrochemistry; and

    calculating an optimum electrode bias voltage based on said reference electrode voltage measured at said first current level and said second level to thereby indicate dissolved oxygen thereof.

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