New flue gas oxygen analyzer self-calibratingOxyTrak, an in situ flue gas oxygen analyzer, is self-calibrating and requires no reference air.The sealed reference analyzer uses a miniaturized zirconium-oxide sensor with a sealed internal reference to determine flue gas oxygen content accurately, even with rapidly changing process conditions. Click here to enlarge imageWith the sensor acting in pump mode, the current needed to maintain partial pressure equilibrium is proportional to the oxygen content. In addition, the Nernst voltage present during transients is used to indicate the magnitude of oxygen content changes instantly. The small sensor size allows the measurement inputs to reach ...

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