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Author: Subject: Measuring very high temperature
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[*] posted on 4-12-2016 at 22:39

Quote: Originally posted by yobbo II  

If one were to set up a (cheap) mass flow controller

to control a given quantity of gas (air) through a short pipe exposed to the furnace interior and measure temp. in and temp. out you might get a usable system. The air rate would have to be large enough to stop the pipe carrying the gas from melting.

If you are using an inert gas atmosphere (which I consider a near-necessity for a general purpose ultra-hot oven) then you could use molybdenum tubing which is readily available and not too expensive. Mo melts at 2623 C.

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