To Monitor High Vacuum Pressure - Agilent Technologies G7035A Operation Manual

3
Operating in Electron Ionization (EI) Mode

To Monitor High Vacuum Pressure

Pressure monitoring requires an optional G3397B Micro-Ion vacuum gauge.
If you are using hydrogen as a carrier gas, do not turn on the Micro-Ion vacuum
WARNING
gauge if there is any possibility that hydrogen has accumulated in the analyzer
chamber. Read
hydrogen carrier gas.
Procedure
1
2
3
4
64
"Hydrogen Safety"
Start up and pump down the MSD
on page 84).
In the Tune and Vacuum Control view select Turn Vacuum Gauge on/off from
the Vacuum menu.
Select Manual Tune from the Parameters menu to display the Manual Tune
dialog.
Select the Values tab to view the HiVac reading.
on page 19 before operating the MSD with
("To Pump Down the MSD in EI Mode"
5977 Series MSD Operation Manual