Hach-Lange SI792 C, SI792x C, SI792x C-FF, SI792x C-PA User Manual - Manual (Page 29)

Installation
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3.5.3.2 4-electrode sensor wiring
1. Install a jumper between terminals 4 and 5 as shown in
Figure 7 .
2. Use Table 4 to wire the sensor to the transmitter.
Figure 7 si792 transmitter wiring for 4-electrode sensor
1 Jumper between terminal 4 and 5 2 Wiring terminals—see Table 4
Table 4 Terminal assignments—4-electrode sensor
Terminal No. Assignment Wire color
1 Drive hi brown
2 Sense hi yellow
3 Sense lo green
4 Drive lo white
5
Cable shield connections
Note: Do not connect to earth ground.
black
7 RTD (resistive temperature device) pink
8 RTD (resistive temperature device) grey