39
BÜCHI
Fat Determination
B-820/B-821
Time:
2400s
p H2
55kPa
Start preheating
p air
50kPa
Main menu
T oven
130°C
T inj.
220°C
T FID
260°C
Position the cursor on <Start preheating>.
The preheating procedure is in operation (running LED is lit
up). <Remaining time> shows the remaining preheat time.
If the cursor is positioned on <Stop> and confirmed by pressing
the <ENTER> key, the preheat procedure is interrupted and
the main menu reappears.
The main menu also reappears when the preheating period is
finished. To return directly to the main menu without interrupting
the preheating procedure, press the <ESCAPE> key.
5.2.6 Gas flow rate setup
If the unit has been turned off for longer than 30 minutes, the
unit must be preheated for 30 minutes before the gas flow
rate setup procedure can be performed (see chapter 5.2.5,
"Preheating/Separation“ column conditioning).
The flow rate measurement takes place at an oven temperature
of 130 °C.
Proceed as follows:
Position the cursor on <Setup>.
The cursor is positioned on <Gas flow setup>.
Stop
p H2
55kPa
Main menu
p air
50kPa
T oven
260°C
T inj.
220°C
T FID
260°C
Remaining time
1215s
Gas flow setup
User configuration
Printer configuration
System configuration
Autosampler
Main menu
Preheating
p H2
55kPa
Sample weight/Mode
p air
50kPa
Determination
T oven
130°C
Data manager
T inj.
220°C
Setup
T FID
260°C
5 Operation