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[Electrochemical oxygen analyzer with automatic temperature compensation]

V A Lysak, A S Il'iushonok

    Meditsinskaia Tekhnika
    |January 1, 1982
    PubMed
    Summary
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    A new oxygen partial pressure (pO2) meter for gaseous media has been developed. This device features temperature compensation, achieving measurement accuracy comparable to existing analyzers with minimal additional error.

    Area of Science:

    • * Instrumentation and Measurement Science
    • * Environmental Monitoring Technology

    Context:

    • * Accurate measurement of oxygen partial pressure (pO2) is crucial for various industrial and environmental applications.
    • * Existing pO2 measurement devices often face challenges with temperature-induced inaccuracies.
    • * The need for a reliable and temperature-compensated pO2 meter for real-world operating conditions.

    Purpose:

    • * To design and present a novel meter for measuring oxygen partial pressure in gaseous mediums.
    • * To introduce a temperature compensation circuit for pO2 probe current stabilization.
    • * To detail the probe design and electronic unit of the new analyzer.

    Summary:

    • * A functional division converter-based circuit provides temperature compensation for the pO2 probe current.

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  • * The designed analyzer demonstrates O2 measurement results with a maximum deviation of 3% compared to the Holden analyzer.
  • * Temperature variations between 5°C and 50°C introduce an additional error of at least 2.5%.

    • Impact:

    • * Provides a more accurate and reliable method for oxygen partial pressure monitoring in diverse operating environments.
    • * Offers a cost-effective alternative or supplement to existing oxygen analysis technologies.
    • * Contributes to improved process control and environmental monitoring through precise gas analysis.