Semiconductor-based thermoconductometric sensor for a helium content meter

Andrzej Czajkowski; Zbigniew Kruszynski

doi:10.1117/12.213161

30 June 1995 Semiconductor-based thermoconductometric sensor for a helium content meter

Andrzej Czajkowski, Zbigniew Kruszynski

Proceedings Volume 2634, Optoelectronic and Electronic Sensors; (1995) https://doi.org/10.1117/12.213161
Event: Optoelectronic and Electronic Sensors, 1994, Warsaw-Zegrze, Poland

Abstract

The design and the electric circuit of a thermoconductometric sensor for helium content measurements in a helium-oxygen (helium-air) mixture are presented. Zener diodes as active elements are placed in two sensor chambers: the measuring and the reference ones. The Zener diodes are included in adjacent branches of the unbalanced Wheatstone bridge. An electronic thermostat stabilizing the sensor block temperature and test results are also presented.

Citation Download Citation

Andrzej Czajkowski and Zbigniew Kruszynski "Semiconductor-based thermoconductometric sensor for a helium content meter", Proc. SPIE 2634, Optoelectronic and Electronic Sensors, (30 June 1995); https://doi.org/10.1117/12.213161

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