12 5977B Series MSD Troubleshooting and Maintenance Manual
1 Introduction
LCP Local control panel (on the GC)
LVDS Low voltage data signal
m/z Mass to charge ratio
MFC Mass flow controller
MSD Mass selective detector
NCI Negative CI
OFN Octafluoronaphthalene (calibrant)
PCI Positive CI
PFDTD Perfluoro-5,8-dimethyl-3,6,9-trioxydodecane (calibrant)
PFHT 2,4,6-tris(perfluoroheptyl)-1,3,5-triazine (calibrant)
PFTBA Perfluorotributylamine (calibrant)
Quad Quadrupole mass filter
RF Radio frequency
RFPA Radio frequency power amplifier
Torr Unit of pressure, 1 mm Hg
Turbo Turbomolecular (pump)
Tab le 2 Abbreviations (continued)
Abbreviation Definition
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