S type is suppozed to handle the temp but NOT at continous duty even at protected atmosphere. You could upgrade to B type and make the necessary adjustments in signal. Drawback on B type is unlinearity at low temp so take that into account. Or get a good source of S type for frequent replacement. S.M.
Suppose replying on off-topic renders this off-topic too .....
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Failure in Vacuum Tube Furnace
Re: GANGADHARA.MB
