Method and apparatus for measuring the oxygen potential of a heat-treatment furnance
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United States of America Patent
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Oct 4, 1994
Issued Date -
N/A
app pub date -
Dec 8, 1992
filing date -
Oct 6, 1988
priority date (Note) -
Expired
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Abstract
A probe for measuring oxygen potential, especially to determine the carboransfer properties of a furnace atmosphere containing the gases H.sub.2, CO, and CH.sub.4, with the probe having an oxygen ion conducting, solid measuring electrolyte with a contact electrode in the furnace atmosphere and a contact electrode in a reference medium that has a known oxygen concentration. To improve the accuracy of the measurement, an oxygen ion conductive compensation electrolyte in the form of a detachable solid body is connected between the contact electrode in the furnace atmosphere and the solid measuring electrolyte.
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