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Technical Information
Inlet Screen Installation
Installing the inlet screen will reduce the pumping speed of heavy gases
(i.e. Argon, Nitrogen) of about 25% while for lighter gases (i.e. Helium and
Hydrogen) the amount is of about 10%.
Figure 90
Figure 91
The inlet screens mod. 9699300, 9699309, 9699302 and 9699303 prevent the
blades of the pump from being damaged by debris greater than 0.7 mm diameter.
The inlet screen is fitted in the upper part of the pump. TPS-mobile is always
provided with inlet screen fitted on. Agilent suggest not to remove the TMP inlet
screen, to avoid accidents involving the pumping system tool and/or pumping
system users.
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Agilent TPS-mobile User Manual
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