Table of Contents
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Index
High vacuum pump
difficulty with, 85
diffusion pump, 198
not ready, 87
turbomolecular (turbo) pump, 202
High vacuum. See Vacuum manifold pressure
High voltage feedthrough. See HED feedthrough
History, Autotune, 48
Horn, electron multiplier, 227
HP-IB
address switches, 245
connector, 245
HP-IB/MS control card, 240
interfacing to external devices, 248
RAM on, 240
remote control processor, 248
Hydrogen carrier gas
danger of ignition by triode gauge tube, 44
flow turned off while MSD is vented, 32
hazards during pumpdown, 33, 58
I
I/O (HP-IB) connector, 245
Indicated pressure, 208
Installing GC columns, 15 – 30
Interface socket
reinstalling, 154
removing, 148
Interface. See GC/MSD interface
Interfacing to external devices, 248
start run input, 249
system ready signal, 249
Ion focus, 222
286
Ion source, 218
body, 218
cleaning, 150 – 153
disassembling, 148
drawout plate and cylinder, 222
drying cleaned parts, 153
entrance lens, 222
filament care, 221
filament, reinstalling, 160
filament, removing, 158
filaments, 219
heater, 230
heater and sensor, reinstalling, 164
heater and sensor, removing, 162
ion focus lens, 222
magnet, 221
part numbers, 270
parts that should not be cleaned, 150
reassembling, 154
reinstalling, 156
removing, 146
repeller, 221
Ion source temperature, 34
setting, 40
setting a monitor for, 38
viewing, 36
K
KF seals, 192
part numbers, 260
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