To Check The Fid Baseline - Agilent Technologies 7820A Manual

8
Maintaining the FID

To Check the FID Baseline

174
With the column installed, load your checkout method.
1
Set the oven temperature to 35 °C.
2
Using the software keyboard, press [Front Det] or [Back Det],
3
then scroll to Output. Alternately, use the arrows keys on the
GC to scroll to Output.
When the flame is lit and the GC is ready, verify that the
4
output is stable and < 20 pA.
If the output is not stable or > 20 pA, the system or gas may
be contaminated. If this contamination is isolated to the
detector, then bakeout the FID. (See
page 178.)
"To Bakeout the FID"
Maintaining Your GC
on