Answer / rajendra shaha

in general RtD and thermister is passive transducer and
thermocouple is active transducer

Answer / sanal sasidharan

RTD & Thermocouple are positive temp. Coefficeint and thermistor is negative temp . Coff..

Answer / krunal

rtd defines increase in resistance when temp. increase. rtd is positive temp. co-efficient. thermistor defines decrease in resistance when temp. increase. thermistor is negative temp. co-efficient. themocouple is measure temp. difference(t1-t2.

Answer / r.kannan

with t/c we can measure upto 1700deg. but with RTD 600
degree is accurable. in t/c only the tip is sensing point
wihre in RTD the average value will be taken.

Answer / elsayem

rtd use for low temperature
thermocpuple use for very high tempretue

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