FIELD: monitoring and measurement equipment.
SUBSTANCE: invention can be used in electrochemistry, metallurgy, energy, automotive and other industries to determine the oxygen content. Sensor contains a supporting element, made in the form of a tube of aluminum oxide. Carrier element with the help of glass sealing compound is hermetically connected with a sensitive element made in the form of a disk, on the opposite sides of which powder electrodes are applied. Disk free from the electrode surface is attached to the end surface of the tube by means of a ring made of a composite material containing a polymer binder and crushed glass sealing compound in a mass ratio from 1:1 to 1:5, and the carrier element, the sensing element and the glass sealing compound are made of materials with the same coefficient of thermal expansion.
EFFECT: invention is aimed at improving the reliability of the sensor and simplifying its assembly.
1 cl, 1 dwg
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