Thermo Scientific VF-F20-A Operating Manual page 117

Integral Fraction Collector FT (VF-F20-A) Operating Manual
Parameters
In Vial
Above Vial
Puncture offset
Leak detection
Description
In InVial mode, the needle height specifies
the distance between the bottom of the
sample container, as measured from the
interior, and the tip of the needle.
Needle Height for Vials
The needle height is pre-defined as
Automatic, which corresponds to a needle
height of 10.0 mm. This value ensures that
the needle does not touch the bottom of
most common collection containers. See
Needle Height Setting (Page 111)
supported racks.
Needle Height for Well Plates
The needle height is pre-defined as
Automatic, which corresponds to a needle
height of 3.0 mm.
The Use Safe Needle Height option can be
checked to keep the needle 2mm above vials
based on automatic rack type identification
function. If this option is checked, Needle
Height for Vials and Needle Height for Well
Plates become read-only, otherwise they can
be changed for optimized heights.
In Above Vial mode, well plate heights range
between 10 mm and 50 mm and cannot be
automatically recognized, so it is necessary to
manually input the specified or measured
well plate height for Height of 384 Well Plate
or Height of 96 Well Plate on More Options
ePanel FC tab.
The puncture offset defines how much the
needle opens the septum. The carousel
moves by the specified value while the needle
is in the septum, thus enlarging the hole in
the septum for equalizing the pressure.
The puncture offset is defaulted to 0.
Leak detection is enabled as a standard when
the device is shipped (Leak Sensor
Mode = Enabled). This is the preferred
setting.
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6 Operation
for the
Page 117