Pyxis DW-2100P, Руководство пользователя

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8. Replacing pH and Oxidizer Electrode Head
The pH/oxidizer electrode head of ST-765SS Series can be replaced when the original
electrode head reaches its working life. Order a replacement electrode head EH-765 (P/N
53061) from Pyxis and follow instructions as below.
1. Turn off the sensor if it is powered on.
2. Make sure there is no water on the sensor.
3. Hold the ST-765SS main body with one hand and use the other hand to twist the stainless-steel
locking ring counter-clockwise until the front end of the black electrode is completely unscrewed,
as shown in Figure 39-2 .
4. Pull out the electrode head as shown in Figure 39-3 .
5. Loosen the electrode plug connector, and remove the electrode head, as show in Figure 39-4 .
6. To assemble the new electrode head, connect the plug, then insert the new electrode head into
the main sensor housing and ensure that the two protrusions on the electrode head are aligned
with the notches in the sensor main housing.
7. Then twist the stainless-steel lock ring of ST-765SS in a clockwise direction until the threads of the
electrode head completely enter the ST-765SS housing as shown in Figure 39-1 .
Figure 39 - Replacing EH-765 pH and Oxidizer Electrode Head
9.
39-1
39-2
39-3 39-4
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