Pt100 thermocouple and display instrument what is the connection way to _ the instrument

1, the three pt100 thermocouple wire, if there are two same color, wiring connected the two wires of the same colour when 2 and 3 terminal, a terminal 1, after turning on the power supply if the display is not normal, According to larger or smaller) , the no. 1 on the wire and terminal 3 terminal wiring change. 2, if three wire color each are not identical, will inevitably have a root is red, when wiring the red wire to terminal 1, the two remaining wire to terminal 2 and 3, after turning on the power supply if the display is not normal, According to larger or smaller) , the no. 1 on the wire and terminal 3 terminal wiring change.