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Thursday 10 November 2016
Posted in Thermocouple Information by Pyrosales

Rare Metal Thermocouples

Rare metal thermocouples are used in applications where the temperatures exceed the working range of base metal thermocouples, i.e. 0‐1300°C, or where greater accuracy is required such as in standard thermocouples. Wire size is typically 0.5mm diameter.

thermocouple table

 

 

 

 



STANDARD ASSEMBLIES

IS G

ISG flange

 

                           

     

                                       


IS J

ISJ





IS K

ISK

IS L

ISL

SPECIAL PROTECTION SHEATHS


hexoloy

HEXOLOY®  / SYALON®


metal ceramic

METAL CERAMIC


silicon carbide

SILICON CARBIDE

recrystallised alumina

RECRYSTALLISED ALUMINA


PROTECTION SHEATHS

Rare Metal Thermocouples require protection sheaths to avoid contamination from the process. Details of these are shown in the table below:

table 2



Note: LT‐1, Sillimanite, Silicon Carbide, Hexoloy® and Syalon® require an inner, impervious sheath. Specific details of each of the above are available on request. 

The above only cover the most commonly supplied thermocouples. We specialise in made‐to‐order units, and will quote against your specifications.


Learn more on the Installation of rare metal ceramic sheath thermocouples here.

 

  

Hexoloy® Registered trade mark of Carborundum Company.

Syalon® Registered trade mark of Cookson.