Answer / carl_ellis

Cold junction (CJ) or ice point compensation is the temperature measurement of the terminal connection temperature.  The difference between the CJ measurement and the freezing point of water is added to the thermocouple's gradient temperature measurement.

Cold junction can be measured by thermistor, RTD, or solid state junction.  

Answer / muhammad

compensation means additional of specific materials where extra length  of wire is run from the instrument.it connected with parallel effective resistance decrease and helpful to calculate higher range.

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