High Temperature Tungsten Rhenium Thermocouple

High temperature tungsten rhenium thermocouple has the advantages of high operating temperature and low cost, so that it can be used as a substitute for platinum rhenium thermocouple. The tungsten rhenium thermocouple may be applied in measuring temperatures at the range of 1600~3000°C.high temperature tungsten rhenium thermocouple image
Characteristics of High Temperature Tungsten Rhenium Thermocouple
1. Well suited for measuring extremely high temperatures.
2. Typical uses are hydrogen and inert atmospheres, as well as vacuum furnaces. 3. A typical range is 0 to 2315°C, which can be extended to 2760°C in inert atmosphere and to 3000°C for brief measurements.
4. Not used in oxidizing environments at high temperatures because of embrittlement.

Platinum rhodium thermocouple has strong oxidation resistance although it is expensive. So, it is suitable for oxidizing atmospheres. And therefore, the tungsten rhenium thermocouple should be studied to make it for applying in oxidizing environments. For example, it is necessary to adopt a surface modification or artificially create a non-oxidizing atmosphere inside the thermocouple protection tube.

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