AS Autosampler Operator’s Manual
238 Doc. 065051-03 1/08
Prep Operation Description
DELAY
Specifies for how long the AS waits (0.0 to 999.9 minutes)
before proceeding to the next step in the sample prep phase
(default=0.0).
NEEDLE
The height of the needle above the bottom of the vial, from 0 to
46 mm (default=2 mm). The needle height is used for all pipet,
dispense, and mix operations until a new height is specified.
NOTE For 0.3 mL and 1.5 mL vials, do not set
the needle height greater than 2 mm.
This ensures that the vent in the
sampling needle is positioned correctly
inside the vial.
PIPET
Moves a specified volume of sample from one vial to another.
The sample syringe is always used for pipetting.
μ
L: Pipet volume: from 1.0 to 99.9 μL (in
0.1 μL increments) or 100 to 1,000 μL (in 1 μL
increments) (default=20 μL).
#: Source vial position (the vial from which to
pick up the specified volume): (default=
S+1).
to #: Destination vial position (the vial to receive
the volume of sample): (default=
SMP).
MIX
Mixes the vial contents by repeatedly drawing and expelling a
volume of sample. Mixing is done with the prep syringe, if it is
installed; otherwise, the sample syringe is used.
#: Mix vial position (the position of the vial to be mixed):
(default =
SMP).
X: Mix cycles (the number of times to repeat the
mixing operation): from 1 to 99 (default=10).
u
L Mix volume (the volume to be drawn and expelled):
from 1.0 to 9,999 μL. The default is 500 μL if the prep
syringe is installed; otherwise, it is 250 μL. The mix
volume must be equal to or less than the syringe
volume.
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