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Thermocouple thermometry in microwave fields.

K Gammampila1, P B Dunscombe, B M Southcott

  • 1Department of Medical Physics, Charing Cross Hospital, London, England.

Clinical Physics and Physiological Measurement : an Official Journal of the Hospital Physicists' Association, Deutsche Gesellschaft Fur Medizinische Physik and the European Federation of Organisations for Medical Physics
|November 1, 1981
PubMed
Summary
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This study investigated microwave field artifacts and hazards from using thermocouples. Factors influencing these measurement errors and safety concerns in a 434 MHz field were analyzed.

Area of Science:

  • Electromagnetics
  • Measurement Science

Background:

  • Thermocouples are widely used for temperature measurement.
  • Exposure to microwave fields can introduce measurement errors and safety hazards.

Purpose of the Study:

  • To investigate artifacts and hazards associated with thermocouple use in a 434 MHz microwave field.
  • To identify factors influencing the magnitude of these effects.

Main Methods:

  • Experimental investigation of thermocouple performance in a controlled 434 MHz microwave environment.
  • Analysis of artifact generation and hazard potential.

Main Results:

  • Identified specific artifacts and hazards resulting from thermocouple use in microwave fields.
  • Quantified the influence of various factors on artifact and hazard magnitudes.

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Conclusions:

  • Understanding these factors is crucial for accurate temperature measurements in microwave environments.
  • Mitigation strategies are necessary to ensure safety and data integrity.