4
AI 3000/AS 3000 II Control
Control Through the FOCUS GC
68
AI 3000/AS 3000 Sampling System - Operating Manual
Thermo Scientific
Sequence of Samples with the AS 3000
To set the parameters to run a sequence of samples with the AS 3000, in Main Menu move
the cursor until
Sequence
is displayed, then press
Enter
to open the menu. See
for
details
Sample depth
Bottom, Center,
selectable in the
submenu
This parameters sets the penetration depth
of the syringe needle into the vial.
If
Bottom
(defualt value) is selected, the
needle goes down to the vial bottom.
If
Center
is selected, the needle goes
down to half vial.
Inj. depth
Standard, Minimum,
selectable in the
submenu
This parameter defines the penetration
depth of the syringe needle into the injector.
If
Standard
(defualt value) is selected, the
needle goes down to the maximum allowed
depth.
If
Minimum
is selected, the needle enters
the injector and stops immediately beyond
the septum (
Cold Needle Technique
).
Pre dwell time
0–63 sec
This parameter specifies how long the
syringe needle must remain in the injector
before injection (
Hot Needle Technique
).
Post dwell time
0–63 sec
This parameter specifies how long the
syringe needle must remain inside the
injector after injection.
Table 11.
Control Through the FOCUS GC: Autosampler Menu (Sheet 2 of 2)
Menu
Range
Comment
Table 12.
Control Through the FOCUS GC: Sequence Menu with AS 3000 (Sheet 1 of 2)
Menu
Range
Comments
SEQUENCE
This line shows the menu title.
First sample
1 to 105
Indicates the first sample of the
sequence.
Last sample
1 to 105
Indicates the last sample of the
sequence.
Injection/vial
1 to 99
Indicates how many times the same
sample has to be run.
