1Introduction
10 5975/5977 Series MSD Operating Manual
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 three types of electron ionization (EI) sources available
on the 5977B Series MSD, a standard EI stainless steel (SS) source, an EI
Extractor (XTR) source available on the Inert+ MSD model, and a high efficiency
source (HES). The serial number label displays a product number that indicates
what type of MSD you have. (See Table 1.)
Table 1 Available high vacuum pumps
Model name
Product
number
*
Description
Ionization mode/Type
5977B MSD Diff Pump G7080B Diffusion pump EI/SS
5977B MSD Turbo Pump G7081B Turbo pump EI/SS
5977B Inert+ MSD EI Turbo G7077B Turbo pump MSD EI/XTR
5977B EI/CI MSD G7078B Turbo pump MSD EI /XTR
CI /PCI, NCI
5977B HES MSD G7079B Turbo pump MSD EI HES
field upgradeable to CI
* Operation in CI mode or with the JetClean option is not supported in OpenLAB CDS 2.1.