What is the meaning of "BST" in RTD Element specification?

BST- Bar Stock Threaded

Bar Stock Threaded, refers to your thread length in your RTD element to suit for thermowell

This refers to the overall length of the RTD from point of measurement of the temperature of the process fluid.

In the thermowell datasheet, this are the meaning: B=Bore diameter, S= thermowell length, T=Lagging extension,

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