Agilent Technologies InfinityLab LC Series User Manual page 126

5
Preparing the Module
Setting up the Vialsampler
Table 14 Method parameter settings
126
Auxiliary
• Draw Speed: determines the rate at which the
plunger draws sample from the vial. Set the speed to
an appropriate value for your sample. For viscous
samples, use a slow Draw Speed.
• Eject Speed: determines the rate at which the plunger
ejects sample from the metering device. If you are
injecting large volumes of sample, setting a high Eject
Speed will shorten the time needed for an injection
cycle. For viscous samples in combination with
multidraw, use a slow Eject Speed.
• Wait Time After Draw: ensures that the temporary
vacuum, which originates from the drawing of liquid
from the sample vial, dissipates. The needle stays first
on the seat for the specified time, then after drawing
sample from the vial, remains there for the specified
time.
• Needle Height Offset: a vertical offset that enables
you to position the needle a specific distance (in mm)
away from its standard position. The Offset function is
useful when analyzing very small sample volumes, or
when only a specific part of the sample is required, for
example, the top layer.
Agilent InfinityLab LC Series Vialsamplers User Manual