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DOTX-45 Dissolved Oxygen System Part 5 – Sensor Assembly

DOTX-45 23 -

Part 5 – Sensor Assembly

5.1 Oxygen Sensor Preparation

The oxygen sensor supplied with the DOTX-45 is shipped dry. It will not operate

until it is prepared by adding electrolyte and a membrane. Preparation of the

sensor for operation must be done carefully. The procedure should be done by a

qualified technician, and it should only be done when the system is ready for

operation. Until then, it is best to leave the sensor in the condition in which it is

received.

Submersible oxygen sensors are made up of two separate parts, a submersion

holder that also contains the temperature compensating element and a sensing

module. The sensing module screws into the holder, with an o-ring providing a

water tight connection. Figure 5-1 below shows the assembly.

Figure 5-1 Submersible Oxygen Sensor Assembly

Sensing modules contain the main measuring components, and are the main

component requiring service. Figure 5-2 below shows an exploded view of the

D.O. sensing module.

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Dot-x SERIES Specifiche Pagina 24