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what is meant by cold junction compensation. where it is used.
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Answer Posted / ramakrishna veera
When the cold junction is not at 0°C, the temperature of
this junction must be known in order to determine the
actual hot-junction temperature. The output voltage of the
thermocouple must also be compensated to account for the
voltage created by the nonzero cold-junction temperature.
This process is known as cold-junction compensation
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