How to connect a 2, 3 or 4 wire RTD Pt100 sensor | TC Inc
The Ives Equipment Process Engineering & Control Blog: 2 Wire, 3 Wire, and 4 Wire RTD Sensor Connections
I Will Teach You - RTD Sensor Connections Proper connections for all three types of RTD sensor (2-wire, 3-wire, and 4-wire) to a user configurable transmitter are shown in the following illustrations: