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RAT-TJ

High Temp Thermocouple with Ceramic Sheath and Lead Wires

  • High temperature Type R, Type S and Type B thermocouple probes 
  • Probe Temperature range up to 1650 °C (3000 °F) 
  • 1/4" diameter high purity ceramic protection tube 
  • Configurable for probe length, overbraid, wire gauge, connectors
RAT-TJ
From  668,76
High Temp Thermocouple with Ceramic Sheath and Lead Wires RAT-TJ RAT-TJ
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Product Overview
  • Cable Length 40 in
  • Color Code Standard ANSI
  • Insulation Note 1m (40") 24 AWG (0.020"); Solid Braided Fiberglass; Insulated Lead Wire
  • Junction Type Ungrounded
  • Number of Wires 2
  • Probe Diameter 0.25 in
  • Probe Type Rugged Transition Joint High-Temperature Thermocouple Probe
  • Process Temperature, Max 1650 °C
  • Process Temperature, Min 0 °C
  • Sheath Material Ceramic
  • Temperature Probe Style Extreme Temperature Probe
  • Temperature Sensor Type Thermocouple
  • Wire Type Solid
The Omega RAT-TJ is a high temp thermocouple built for peak performance in extreme environments, especially where both temperature and durability are required. Covered with a ceramic protection tube, this thermocouple probe excels at resisting oxidation and degradation at elevated temperatures.

Designed for use in oxidizing or reducing atmospheres and rated for service up to 1650 °C (3000 °F), the RAT-TJ offers reliable output for  types R, S, or B thermocouples. The flexible lead wires with robust insulation make it easier to mount, route, and maintain in settings such as furnaces, lab test rigs, metal treatment processes, or thermal research setups.

With Omega’s legacy of accuracy, material quality, and customer support, this high temp thermocouple ensures dependable readings even under intense thermal stress. Whether for industrial process control, R&D, or production monitoring, the RAT-TJ combines rugged construction with precision.

View the Thermocouple Accuracy and Color Code charts
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