Omega DP119-RTD manual Calibration Procedure, Wire Configuration

4.2CALIBRATION PROCEDURE

1.Remove the front lens. Connect power to the meter, observing proper wiring procedures.

2.Connect the precision resistance source to the P3 connector observing proper wiring configuration. For 3Ðwire connections, use pins 1, 2, 3, and 4. Refer to Figures 4-1through 4-3.

3.Apply resistance input as indicated in Table 4-1.

4.Adjust either the ZERO or SPAN potentiometer as shown in Figure 4-4.

5.After adjusting the post, go back and verify both temperature readings. Repeat step 4 as required.

Note ☞ Refer to Table 3-1and Table 3-2for internal jumper settings.

P3

+ Excitation	4
Signal Hi	3

REDRED

PRECISION RESISTANCE

Signal Lo	2
- Excitation

BLACK

BLACK

SOURCE

1

JUMPER WIRE (24 AWG)

Figure 4-1. 2-Wire Configuration

P3		NOT USED
+ Excitation	4
		RED
Signal Hi	3
		BLACK
Signal Lo	2
- Excitation	1	BLACK

RED PRECISION RESISTANCE

BLACK SOURCE

Figure 4-2. 3-Wire Configuration

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