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:
2-, 3- and 4-wire circuit » SIKA-Blog | SIKA
Wiring for RTD Configurations
3-wire RTD – Instrumentation Basics
RTDs; 2 Wire, 3 Wire and 4 Wire – What's the Difference? | Variohm