Duplex Rtd Pt100 Wiring Diagram. Assortment of rtd pt100 3 wire wiring diagram. The measured resistance at 00C.
The best case is that you use shielded twistd pair cables eg. TThen is the length of your cable not so important because your measurement is separated from the supply of the PT100. If you use a 4-20mA Transmitter it can be setup to automatically move on to the back up.
Identify instrument ie PT100 O DIN 43760 EN60 751 ALPHA 000385 b.
When you have the choice then is also the best when you use a 4-wire sensor. 7 yamma st sefton nsw 2162 phone. It is very important that each of the three wires used in the measuring circuit are equal in terms of both conductor size and length. 3 wire Pt100 RTD Sensor Wiring System The addition of a third wire connected to one side of the measuring element helps to compensate for the lead resistance.