300781309_002_C0 - 01/2019 - © Leybold 12
Installation and connection
Install the analyzer tube so that the aperture plane of the analyzer tube is
installed in parallel to the flow of gas. Especially, see to it that gas is not
introduced into the analyzer tube in a beam form. Also make sure that
foreign objects cannot fall into the analyzer tube by installing a mesh if the
aperture faces up.
If you touch the gasket with bare hands or use a contaminated gasket it can
cause measurement errors. Use a new gasket and, before use, wipe it with a
clean cloth wetted with alcohol. To avoid leaks, never reuse gaskets.
If the filament is subjected to strong lateral impact or vibration when it is hot,
it may break or contact the grid electrode.
If the analyzer tube is connected at the end of a long or thin pipe, the
pressure in the analyzer tube will increase because of the reduced
conductance. This can cause measurement errors or filament burnout.
As indicated in Operation switches and LEDs on page 3, fix the analytical
tube after paying attention to the orientation of the operation panel on the
sensor unit. To assist you, a "Display Side" label is attached to the flange of
the analyzer tube.
3.2.2 Install the sensor unit
CAUTION:
After fixing the analysis tube, do not attempt to twist it in order to change the
orientation of the sensor unit. This can cause the sensor unit to malfunction.
CAUTION:
Ensure the sensor unit does not strike other structures.
CAUTION:
Attach or detach the sensor unit from the analyzer tube using the knurled ring. Do
not rotate the sensor unit, this can break the connector or the wiring.
CAUTION:
Only ever tighten the knurled ring by hand. If you use tools, there is a risk of making
it impossible to detach, breaking the connector, or damaging the internal wiring.
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