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
Proper connections for all three types of RTD sensor (2-wire, 3-wire, and 4-wire) to a user configurable transmitter are shown
A very old electrical measurement technique known as the Kelvin or four-wire method is a practical solution to the problem
2 Wire RTD : where Rpt is Resistance of RTD R2 is Resistance of first lead wire (Extension cable used