User’s Guide26
Sample injection
port
The SIP is where the sample tube is installed. The SIP includes the
sample injection tube and the tube support arm. Samples are
introduced through a stainless steel injection tube equipped with
an outer droplet containment sleeve. The sleeve works in
conjunction with a vacuum pump to eliminate droplet formation
of sheath fluid as it backflushes from the sample injection tube.
Outer sleeve
Sample injection tube
Tube support arm
Sample injection tube. Stainless steel tube that carries sample from
the sample tube to the flow cell. This tube is covered with an outer
sleeve that serves as part of the droplet containment system.
Tube support arm. Arm that supports the sample tube and
activates the droplet containment system vacuum. The vacuum
is
on when the arm is positioned to the side and off when the arm is
centered.
Note: If a sam
ple tube is left on the SIP with the tube support arm
to the side (vacuum on), the sample will be aspirated into the waste
container.
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