The thermocouple line is the line used in a thermocouple from the induction point to the cold end compensation point (cjc end) where the signal is measured. A thermocouple is a sensor that measures temperature and consists of two different metals bonded together at the sensing end. Different kinds of thermocouples (such as J, K, T, E, etc.) use different combinations of wires. At the cold compensation end, the millivolt value provided by the thermocouple represents the temperature difference between the sensing end and the cold compensation end (also known as the reference end).
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