instrument air tube heat loss rate
instrument air tube heat loss rate
(OP)
I am measuring differential pressure in a separator. Operating temperature is 500F but differential pressure switch is rated at only 200F. Using 1/4"OD stainless steel tubing to connect the switch outside the insulation. How much tube do I need to cool the air 300F?





RE: instrument air tube heat loss rate
RE: instrument air tube heat loss rate
RE: instrument air tube heat loss rate
The ID is too small for convection, so it'll strictly be by conduction through the air as well, which is on the order of 5 mW
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RE: instrument air tube heat loss rate