Agilent Technologies 7820A Manual page 67

WA RN IN G
Maintaining Your GC
After the column is installed at both inlet and detector,
16
establish a flow of carrier gas and purge as recommended by
the column manufacturer.
17 Restore the analytical method.
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• For FPD , immediately turn off the flame.
• For NPD, immediately set the bead voltage to 0.0.
After the GC becomes ready, wait 10 minutes then ignite the
18
detector flame or adjust offset on the NPD bead.
Be careful! The oven, inlet, and/or detector may be hot enough to
cause burns. If the oven, inlet, or detector is hot, wear
heat-resistant gloves to protect your hands.
19 Allow the oven, inlet, and detector to equilibrate at operating
temperature, then retighten the fittings.
Reset the column EMF counters. See
20
Counter in the Operation Manual.
Maintaining the Purged Packed Inlet
To Reset an EMF
5
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