Hach-Lange POLYMETRON 9500 Amperometry Module User Manual - Manual (Page 5)

N O T I C E
Potential instrument damage. Delicate internal electronic components can be damaged by static electricity,
resulting in degraded performance or eventual failure.
To install the module and connect the sensor, refer to the illustrated steps that follow and the wiring
table
Table 1 .
Be sure to connect all sensor ground/shield wires to the controller enclosure grounding screws.
Note: If the sensor cable is not long enough to reach the controller, an interconnect cable and junction box are
required to extend the distance.
Table 1 Dissolved oxygen and oxygen scavenger sensor wiring
Terminal Description Dissolved oxygen Oxygen scavenger
1 Temp + Black Black
2 Temp - Blue Blue
3 — — —
4 — — —
5 Ground Green Green
6 Earth Yellow Yellow
7 — — —
8 — — —
9 Working electrode White White
10 Counter electrode Red Gray
11 Reference electrode — Transparent
12 — — —
In Step 3 of the following sequence, set the switch as follows:
Switch Setting Description
Setting 1 Dissolved oxygen
Setting 2 Oxygen scavenger
English 5