Omega DP119-RTD - Manual (Page 19)

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3.4 Sensor Input Connections
The RTD sensor (see Figure 3-5), can be wired in three different
ways. They are 2-, 3-, and 4-wire configurations. The meter is
factory set internally to a 3-wire setup. If you wish to change it,
refer to Table 3-2.
2-Wire RTD:
Externally wire the P3 connector according to Figure 3-6. Keep
in mind that you will need to jumper pins 1 and 2 on P3 together,
and jumper pins 3 and 4 on P3 together. Use 24 AWG wire. The
black lead goes to Pin 1 or 2 and the red lead goes to Pin 3 or 4.
3-Wire RTD:
Externally wire the P3 connector according to Figure 3-7. Pin 4
on the P3 connector is not used.
4-Wire RTD:
Externally wire the P3 connector according to Figure 3-8.
Figure 3-5. RTD P3 Connector
See Figure 2-2 for the location of the P3 connector.
1
2
Screws
underneath
3
4