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A PARADIGM CHANGE IN HIGH TEMPERATURE METROLOGY

Graham Machin
  • Abstract:
    The measurement of temperatures above 1100 °C is undergoing a step change improvement with the development of high temperature fixed-points and improved thermocouple types such as Pt/Pd. This paper reviews international developments in these areas that could lead to an improved way of realising ITS-90 above the Ag point, reduced thermocouple uncertainties by factors of two or more, and improved dissemination and measurement of high temperatures to industry.
  • Keywords:
    pyrometry, high temperature fixed-points, metal-carbon eutectics, thermocouples
  • DOI:
    _unreg_wc-2006.TC12-005

Event details:

  • IMEKO TC:
  • Event name:
    XVIII IMEKO World Congress
  • Title:

    Metrology for a Sustainable Development

  • Place:
    Rio de Janeiro, BRAZIL
  • Time:
    17 September 2006 - 22 September 2006