CALIBRATION TECHNIQUE FOR CALIBRATING A ZIRCONIUM OXIDE OXYGEN SENSOR AND CALIBRATED SENSOR
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United States of America Patent
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Apr 11, 2013
app pub date -
Oct 2, 2012
filing date -
Oct 10, 2011
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Abstract
A method of calibrating a zirconium oxide sensor employing a reference gas having a known mole fraction of oxygen and a monitored gas having a known mole fraction of oxygen, characterized by use of a reference gas and a monitored gas having the same mole fraction of oxygen but different partial pressures of oxygen. This allows a single gas source, such as air, to be used for both the reference gas and the monitored gas across a range of oxygen concentration readings.
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