Fpd Control Table - HP 6890 series Operating Manual

Flame photometric detector
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Figure 3. FPD control table
Press [Front Det] or [Back Det].
FRONT DET (FPD)
Temp
250
H2 flow
50.0
50.0
Air flow 60.0
60.0
Mkup (N2) 50.0
50.0
Flame
Output
Makeup gas flow mode:
If column dimensions are specified, the control table will also include one of these:
Mode: Const makeup
Mkup flow
0.0
Off
To change makeup mode,scroll to Mode: and press [Mode/Type].
Make a selection and enter the appropriate flow values.
F DET MAKEUP MODE
*Const makeup flow
Col+makeup=const
To view makeup gas or change Lit offset, press
[Config][Front Det] or [Config][Back Det]:
CONFIGURE FRONT DET
Mkup gas type
N2 <
Lit offset
2.0
Electrometer
On
It is not necessary to turn the electrometer
on or off unless you are performing a
maintenance procedure.
Temperature, _C
Hydrogen flow, mL/min
Air flow, mL/min
250 <
Turn off for packed columns.
For capillary columns, see
makeup gas flow mode below.
Off
Makeup gas type
0.0
Press [On] to ignite flame
Displays output value.
<
<
To change makeup gas type,
press [Mode/Type]:
Select the appropriate gas.
Mode:Col+mkup=const
Combined flow
0.0
Makeup flow
0.0
FRONT DET MAKEUP GAS
Helium
<
*Nitrogen
15

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