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The Knowledge and Know-how Connection
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May 17, 2012
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Use the form below to submit a comment.
We sometime forget that new folks don't know the basics or older folks (including me) begin taking shortcuts that get us into trouble. Kapton tape at the TC tip is one of those easy to do short cuts.
The high temp solder (usually hi lead 90/10) and thermal epoxies (good to 290 for short times) are good ways to attach the TC's. But they usually require that we sacrifice a board, and it takes some effort to prepare. I agree with the KIC guys that the aluminum tape with Kapton tape as a strain relief is great method. It is quick, non-permanent, and holds the tip of the TC in intimate contact with the joint.
Fred Dimock, Manager, Process Technology, BTU International
Sergio Ilescas Hernandez, Arris Group de mexico, Mexico
See: Thermocouple Attachment Results are in!
Brian O'Leary, KIC
Marc Dalderup, Rehm Thermal Systems
We have a whole section on TC attachment. We are a big fan of conductive Aluminum tape, used along with Kapton for strain relief like you mention in your podcast. We talk about high temp solder and epoxy which can work also, but like you said you got to be careful of mass. Lot of times we see unequal amounts applied per TC that can throw your readings. What is your take on aluminum tape, realizing of course it is a non permanent solution?
Brian O'Leary, KIC
Michael Limberg, KIC