Thermocouple is a transducer but rtd is not transducer why?
Both taking heat as a input and giving mv

Answer Posted / g_nagaraju2

Transducer means converts one form of enrgy into another
form.

thermcocouple converts temp into mV
RTD also converts temp into ohms.

in transducers we can classify active and passive
transducers.

Active trasnducers means no external supply
Ex:Thermocouple

Passive trasducers means with external supply
Ex;RTD

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