Agilent Technologies 6890 Series Service Manual page 102

You can use the stopwatch feature of the 6890 GC to monitor the time.
Press
the time and the pressure reading with the
Inlet
•
•
5. When the system is considered leak tight, the caps may be removed, the
column reinstalled, its dimensions configured at keyboard, and the
desired pressure set.
Jun 2001
Time and then Enter
[ ] [
Back Inlet
/ keys.
] [ ]
If there is less than 1.0 psi pressure loss (approximately 0.1 psi/
min.), consider the system leak tight.
If pressure loss is much greater than1.0 psi, there is a leak that must
be found and corrected. See Correcting leaks later in this section.
Inlets
Agilent 6890 Gas Chromatograph Service Manual
Cool On-Column Inlet
Leak testing EPC and manual inlets
to start timing, then toggle between
]
Time and the
[ ]
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Front
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