Introduction 1
5975/5977 Series MSD Operation Manual 13
The 5977B Series MSD
The 5977B Series MSD is a stand-alone capillary GC detector for use with
either an Agilent 7890B Series or an Agilent 7820 Gas Chromatograph. The
MSD features:
• WEB User Interface (WUI) for locally monitoring and operating the MSD
• A turbo vacuum pump with one of four different foreline pumps
• A diffusion vacuum pump with a Pfeiffer DUO 2.5 foreline pump
• Three different types of independently heated MSD electron-ionization (EI)
sources available: standard source in both stainless steel and inert material,
and an extractor source.
• Independently MSD heated hyperbolic quadrupole mass filter
• High-energy dynode (HED) electron multiplier detector
• Independently GC heated GC/MSD interface
Physical description
The 5977B Series MSD housing is approximately 41 cm high, 30 cm wide, and
54 cm deep. The weight is 39 kg for the diffusion pump model, 44 kg for the
turbo pump model (EI), and 46 kg for the turbo pump model (EI/CI). The
foreline (roughing) pump weighs an additional 11 kg and is usually located on
the floor behind the MSD.
The basic components of the instrument are: the frame/cover assemblies, the
vacuum system, the GC interface, the electronics, and the analyzer.
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