Max300-LG : Description - Specifications - Installation Guide
Extrel
Core Mass Spectrometers
Page 7
control computer software. The ionization type vacuum gauge requires no regular
maintenance. It has a spare filament built in that is selectable with a switch labeled
Filament Select. When both filaments have burned out the gauge must be replaced.
Analyzer Assembly
Contained within the vacuum chamber is the actual chamber assembly. This assembly
consists of the ionizer, quadrupole mass filter, and detector, as in Figure 2.
Figure 2: Analyzer Assembly
Ionizer and Filaments
The MAX300
™
-LG ionizer assembly, depicted in Figure 3, includes the most frequently
serviced components of the ionizer into a single removable module. This module includes
two filaments, the ion region and the lens stack.
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