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Watanabe TFB [Thermocouple] Silicon Nitride Protective Tube Type with Terminal Box

Made in Japan
Manufacturer: Watanabe Electric Industry Co. Ltd
Model: TFB

TFB is a thermocouple that uses silicon nitride as a protective tube, and is mainly used for temperature measurement of molten aluminum.

Specifications

  • Wire type: K.
  • tolerance: Class 1, 2, 3
  • Number of conductors: single, double
  • Temperature measuring junction: ungrounded
  • insulation resistance: 10MΩ or more at 500V

Special version

  • Built-in converter (4 to 20mA DC output)
    *Single element only

Features

  • The silicon nitride used in the protective tube of the TFB is a sintered Si3N4 material and is used as a component for molten aluminum.
  • What are the characteristics of silicon nitride?
    ◇Because it is not eroded by molten aluminum, it does not contaminate the molten metal.
    ◇Decrease in mechanical strength is small in the temperature range of molten aluminum (1000℃ or less)
    *Maximum operating temperature is 1250℃
    ◇ Less adherence of molten aluminum
    ◇ Can be used without preheating due to excellent thermal shock resistance
    *The non-metallic protective tube may be damaged due to impact, etc., so please be careful when installing.

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