Performing The Leak Test - Agilent Technologies 6890 Series Service Manual

240 Programmed Temperature Vaporization Inlet (PTV)
Leak testing
Figure 240-25
Note Make sure that the carrier gas source pressure is at least 35 psi. Carrier source
pressure should always be at least 10 psi greater than the desired inlet
pressure.

Performing the leak test

Note Be sure to complete all of the preparation steps on page 39 before continuing.
1. Set the inlet to "Split Mode."
2. Configure the column as 0 length.
Press [Config] [Column 1] or [Config] [Column 2] and enter
"0" in the first column of the "Dim" field.
3. Set the inlet's Total Flow to 60 mL/min.
Press [Front Inlet] (or [Back Inlet]) and enter "60" in the "Tot
flow" field.
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Capping the bottom of the inlet and septum purge vent
Inlets
Agilent 6890 Gas Chromatograph Service Manual
Jun 2001