What Happens If The Temperature Sensor Terminals Are Connected With The Wrong Polarity?

Modified on Sun, 11 May, 2025 at 10:24 PM

The measured temperature will not be displayed properly.

Thermocouples

If the polarity is connected in reverse, the Temperature Controllers will display a falling temperature when the temperature is actually rising.

Platinum Resistance Thermometers

If the polarity between A and B are reversed, "S.Err" will be displayed.
There is no polarity between B and B.

Make sure that the polarity and terminals are correctly connected.
 
 

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