Three Wire RTD Circuit

What is a Three-wire RTD ?

A compromise between two-wire and four-wire RTD connections is the three-wire connection, which looks like this: In a three-wire RTD

Thermocouple Wiring Diagram

Basics of Thermocouples and RTD

Thermocouples What are Thermocouples? Thermocouples are temperature sensors. They operate under the principle that the junction of two dissimilar metals