Profile Diffusion Thermocouples


  • Available in class 1 accuracy.


  • The construction and material that enhance stability shall be applied.
    E.g. longer insulating tube capable of reducing evaporation of rhodium element.
  • Alumina insulating tube containing low ferrous impurities.
  • Quartz protecting tube containing low alkali or high purity silicon carbide protecting tube.


  • The profile thermocouples shall be assembled in clean room.(Cleanliness: Class 5)
  • Application:

    • In addition to basic structure, various connecting methods like connection to lead wire are also applicable.