BKI 11 ATEX 0012 X
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5.1.2.
Installation of DO sensor
Prior to mounting into the process the instrument should be put into operation-ready state. For this the user has to insert the DO sensor (packed separately) into
the instrument as described below:
During this operation be careful not to expose the fragile DO sensor to mechanical (bending, squeezing, tensile) forces!
Remove the threaded protector- basket and the sponge-disc protector of the contacts.
Unpack the DO sensor and place it into a flat surface, downward with the plastic cap.
Do not wipe the out the silione grease from the back of the
membrane! Silicone grease protect the contacts against short-circuit, even if water is infliltrated.
With one hand hold the instrument upwards with its sensor, with other hand remove the (right-threaded) protector- basket of the sensor.
Place the sensor into the instrument with its cap that the pins of the sensor-nest can fit into the holes in the rear side of the sensor.
Remove the cap from the sensor and replace the protector- basket of the sensor.
TEMPERATURE
As it is shown in the diagram below – there may be a drop in the pressure-resistance according to the changes of the medium temperature, - which, in any case,
should be considered, prior to the installation of the instrument into the technology process:
Depending on the location of the installation the instrument should be protected
against any heat source or direct sunlight to avoid higher temperatures than
specified!