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:
What is an RTD Sensor | RTD Sensors, Temperature Sensors | TC Inc
How to Convert 2 wire RTD into 3 or 4 wire RTD?
Miniature RTD Transmitter 4-20 mA Output 2, 3 and 4 Wire RTD Sensors | Evolution Sensors and Controls
Optimizing RTD temperature sensing systems: Challenges - EDN Asia