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Generally in which location ( JB or IO card or DCS) the
thermocouple compensation is done.Also where they measure
the atmosphere temp ( for compensation) in JB OR DCS panel?
How they compensating that atmosphere temp? is any circuit
for that ( like in rtd wheatstone bridge)?
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Answer Posted / satish tumbare
Actually compensation is done in Transmitter.Transmitter
have one IC which cslculate ambient temperture.
2.If output of thermocouple is mV then compensation is done
in DCS .
In DCS one temperture sensor is connect to Analog
input card .This sensor measure room temperture using this
temperture we can calculate T/C compensation.
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