6 | Operation
HYDAC FILTER SYSTEMS GMBH
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BeWa CTU1x5x 4603539 en-us web
6 Operation
Select the different operating modes with the different parameters
on the user interface and start them by approving them on the op-
erator display or using the foot switch depending on the setting.
The required filling volume of the test liquid for sampling can be
set on the user interface. The filling volume is monitored by a flow
meter. If the set filling volume has been conveyed, the directional
valve is closed.
The test liquid in the extraction chamber is drawn through the filter
membrane in the filter membrane holder by a vacuum.
The filling level of the test liquid in the storage container is moni-
tored by a level sensor. When the lower fill level is reached in one
container, the system automatically switches over between the
containers. During the container switchover, the message
Contain-
ers being switched
is displayed in the status line of the user inter-
face. Additionally, the status light will blink red. The supply of test
liquid is locked until the container switchover is complete. The con-
tainer switchover takes ≈ 75 seconds.
Clean the extraction chamber before starting a contamination test
series with the
Flushing of inner chamber
operating mode with a
predefined filling volume or with the time/duration.
During operation, as well as between extractions, make sure that
the extraction chamber is always closed and is opened for only a
short time for the insertion of the
you ensure that contamination from the surrounding area is as
kept as low as possible.
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