10 5975/5977 Series MSD Operation Manual
1 Introduction
5977B Series MSD Version
The 5977B Series MSDs are equipped with a turbomolecular (turbo) pump and
a choice of four foreline pumps or a diffusion pump paired with a Pfeiffer DUO
2.5 foreline pump. There are two types of EI sources, a standard stainless steel
EI source and an extraction EI source available on the Inert Plus MSD model.
A CI ion source includes a reagent flow control system, a CI calibration
system, and other required hardware features. The serial number label
displays a product number (Table 1) that indicates what type of MSD you have.
Table 1 Available high vacuum pumps
Model name Product number Description Ionization mode/Type
5977B MSD Diff Pump G7080B Diffusion pump Electron ionization
(EI)/Stainless Steel
5977B MSD Turbo Pump G7081B Turbo pump Electron ionization
(EI)/Stainless Steel
5977B Inert+ MSD
EI Turbo
G7077B Turbo pump MSD Electron ionization
(EI)/Extractor
5977B EI/CI MSD
*
G7078B Turbo pump MSD Electron ionization
(EI)/Extractor
Chemical ionization /PCI, NCI
* Operation in CI mode is not supported on the initial version of OpenLAB CDS
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