Configuration 10
Operation Manual 165
Front Detector/Back Detector/Aux Detector/Aux Detector 2
See Ignore Ready = and “Unconfigured:” on page 143.
To configure the makeup/reference gas
The makeup gas line of your detector parameter list changes
depending on your instrument configuration.
If you have an inlet with the column not defined, the
makeup flow is constant. If you are operating with column
defined, you have a choice of two makeup gas modes. See
the Advanced Operation manual for details.
1 Press [Config][device], where [device] is one of the
following:
• [Front Det]
• [Back Det]
• [Aux detector 1]
• [Aux detector 2]
2 Scroll to Makeup gas type (or Makeup/reference gas type) and
press [Mode/Type].
3 Scroll to the correct gas and press [Enter].
Lit offset
The GC monitors the difference between the detector output
with the flame lit and the output when the flame is not lit.
If this difference falls below the setpoint, the GC assumes
that the flame has gone out and tries to reignite it. See the
Advanced Operation manual for details on how to set the Lit
Offset:
FID
FPD
If set too high, the lit detector baseline output can be below
the Lit Offset setpoint, causing the GC to erroneously try to
reignite the flame.
To configure the FPD heaters
The flame photometric detector (FPD) uses two heaters, one
in the transfer line near the base of the detector and one
near the combustion chamber. When configuring the FPD
To Next Page
Loading...
Need help?
General
