Hach-Lange SC 200 pH_ORP_DO Module User Manual - Manual (Page 7)

Table 5 5500 series dissolved oxygen sensor wiring
Connector Pin no. Signal Sensor wire
8-pin (J5) 1 Reference Red
2 Ground solution Silver
3 –V supply Green
4 +5 V Blue
5 –5 V White
6 Temp Yellow
7 Temp/–Circuit low Black
8 — —
Table 5 5500 series dissolved oxygen sensor wiring (continued)
Connector Pin no. Signal Sensor wire
2-pin (J4) 1 Active Jumper J4 pin 1 to J5 pin 2
2 — —
English 7