piclist 1998\10\26\193514a >
Thread: High temperature sensor
face BY : Craig Lee email (remove spam text)

Here's a thought.  I have absolutely no experience here, so take it with a

I would attach a bunch of high temperature thermocouples to the outside of
vat.  The temperature on the outside of the vat should be directly
to the inside of the vat.  Taking an average of the ADC readings, and
the calibration factor of molten metal to vat temperature, you should come
with something reasonable.

Of course the outer temperature will lag the molten temperature by some
but perhaps this is acceptable.

Another consideration would be keeping the air temperature outside the vat
from influencing the thermocouples.  This could be done by insulating the
thermocouples with material with the same insulating factor as from the
to the molten metal.

Just some thoughts..

{Original Message removed}
<015301be0141$46517c80$0300a8c0@craiglee.telusplanet.net> 7bit

See also: www.piclist.com/techref/io/sensors.htm?key=temperature
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Subject (change) High temperature sensor

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