Wednesday, November 5, 2014

[Quick Tip] Determining a Type K Thermocouple's Polarity

Say you took apart a type K thermocouple connector and don't remember which wire was connected to which terminal.

Here's a simple test to figure out the polarity: The negative wire is attracted to a magnet

Neodymium sphere magnet sticks to negative wire

And in case your connectors aren't marked: The wider pin is the negative.

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