Thermocouple compensation cables are used to avoid creating a thermal electromotive force (EMF) in the connection terminals. A temperature change in the terminals can change the readings. However, the transmitter should compensate for this difference automatically.

EMF #WishIknew What is thermocouple compensation?
Courtesy of Omega

You have two ways to compensate for the cold junction, the electrical bridge method, and the thermoelectric refrigeration method.

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ACT20M-TCI-AO-S Temperature transducer with thermocouple
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What is thermocouple compensation
Courtesy of Omega

This video will teach you more about temperature measurement:

To know more about thermocouple compensation, please ask our engineers!

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