4 Wire Thermocouple Diagram. It is important to get the wiring of your sensor correct otherwise the measuring instrument may give an incorrect reading or no reading at all. Assortment of 4 wire rtd wiring diagram.
No current flows through it while the bridge is in balancesince l1 and l3 are in separate arms of the bridgeresistance is canceled. Surface mount rtd 4 wire temperature sensor self adhesive patch with 80 of pfa lead wire 5300. It is important to get the wiring of your sensor correct otherwise the measuring instrument may give an incorrect reading or no reading at all.
The 4 wire circuit is a true 4 wire bridge which works by using wires 1 4 to power the circuit and wires 2 3 to read.
Red redblue whiteblue white blue blue 1x 2 wire and 2x 3 wire 2x 4 wire color coding. This true bridge method will compensate for any differences in lead wire resistances. Read or downloads. Red redblue whiteblue white blue blue 1x 2 wire and 2x 3 wire 2x 4 wire color coding.