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Fig. 1:
1 Seal with centering ring
2 Electronic unit
3 Protective cap
Procedure
1. Ensure where possible that the gauge is not exposed to any vibrations during operation, as vibra-
2. Recommendation: Assemble the gauge in a horizontal to upright position (flange at the bottom) in
3. Ensure that the button and the switch of the gauge can be easily accessed with the stylus once
4. Recommendation: Fit a seal with centering ring and filter for applications susceptible to pollution
5. Recommendation: Remove the electronic unit of the gauge temporarily wherever installation is on-
6. Remove the protective cap and store it in a safe place.
7. Assemble the gauge with vacuum components from the
8. If it was previously necessary to remove the electronic unit of the gauge, assemble the electronic
5.2 Electronic unit
Risk to life due to electric shock
An improperly earthed product is potentially fatal in the event of a fault.
► Connect the product galvanically with the earthed vacuum chamber.
► Ensure that the connection complies with the requirements of a protective bonding according to
► Use electrically conductive centering rings and circlips for KF connections.
Risk to life due to electric shock
If no earth connection is established, voltage flows become hazardous to the touch and could lead to
electronic components sustaining damage.
► Always tighten the electronic unit with the grub screw.
► Ensure that the grub screw of the electronic unit has been tightened correctly.
1
5
Establishing the vacuum connection
tions in general will lead to deviations in the measured values.
order to prevent any condensate or particles entering the measuring chamber.
fitted.
and to protect the measuring system against contamination.
ly possible with the electronic unit removed.
– This will facilitate assembly of the CF flange connection.
the vacuum system.
unit once again.
DANGER
EN 61010. (CF and VCR connections comply with this requirement.)
DANGER
2
3
4
4
Seal with centering ring and filter
5
Tensioning piece
Pfeiffer Vacuum Components Shop
Installation
on
19/42
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