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what is the difference between 2 wire and 3 wire RTD-
application wise,cost effectivity?
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Answer Posted / prashant
in three wire rtd, wire(lead) resistance is compasateed
automatically as per signal cable which is shorted in rtd
probe/sensor.
in two wire rtd we require room temp. compasation. but it
is depend on signal cable length resistance, so we reqire
fix length of signal cable which is lead resistance must
be clculated with room temp. compasation.
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