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Answer Posted / yashwant
thermocouple is what an emf generated at junction of two
dissimilar metal. while measuring / recording emf other metals create junction(screw, conducting wire of another metal) emf
will get added to it which is not correct reading. to
eliminate this error we use to compensate error. using ckt
that may contain RTD at cold junction, eliminate known emf at
cold junction using electronic ckt
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