pass thermocouple K type through d-sub and circuit box - what might be error?

by Dobijasek   Last Updated June 12, 2019 07:25 AM - source

What might be temp error if I'll pass my TC through simple d-sub (green & pink) and from my circuit box (blue) to destination device (yellow) I want to use copper wire, wire lenght between them will be about 1-1,5m, both of them will be same environment. I alredy have special TC connector (orange), they are expensive hovever it's in variable environment and 2-3m form my curcuit box (blue).

I want to do it because it will simplify my harness but I'm not sure is it worth. I know there are also special thermocuple pins for d-sub but they are so expensive.

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