Hach-Lange POLYMETRON 9500 Conductivity Module User Manual - Manual (Page 6)

Note: If the sensor cable is not long enough to reach the controller, an interconnect cable (model 150727,10000)
and junction box (model 08335=A=6000) should be used to extend the distance.
Table 1 Conductivity sensor wiring
Terminal Description Sensor
8398 831x and 8394
1 Inner electrode White (white cable) White
2 Inner electrode Black (white cable) —
3 Ground — Green
4 — — —
5 — — —
6 — — —
7 Temp - Green Black
8 — — —
9 — — —
10 Temp + Yellow Yellow
11 Outer electrode Brown (brown cable) Red
12 Outer electrode Black (brown cable) —
In Step 3 of the following sequence, set the switch as follows:
Switch Setting Description
Setting 1 Contacting conductivity sensor
Setting 2 Inductive conductivity sensor
6 English