A Paramagnetic Oxygen Analyzer

Abstract
An oxygen analyzer which makes use of the unique paramagnetic property of oxygen and a hot‐wire bridge is described. The instrument is designed to operate under rather extreme conditions of temperature and pressure, as specified by the Air Materiel Command of the Army Air Forces. Percent oxygen is indicated in the range from 21 to 100 by a panel meter, and provisions are incorporated for using it in connection with a recording oscilloscope.

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