3.14 Peristaltic pump
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
42
￭￭￭￭￭￭￭￭
883 Basic IC plus
￭ When liquid starts flowing, raise the contact pressure lever by an
additional two ratchet increments.
The contact pressure is now set optimally.
3.14.2 Mode of operation for the peristaltic pump
The peristaltic pump is used for pumping sample and auxiliary solutions. It
can rotate in both directions.
The peristaltic pump pumps liquids based on the principle of displace-
ment. The pump tubing is clamped between the rollers (14-5) and the
tubing cartridge (14-2). During operation, the peristaltic pump drive
rotates the roller hub (14-6), so that the rollers (14-5) advance the liquid
in the pump tubing.
Figure 14
Peristaltic pump
1
Contact pressure lever
2
Tubing cartridge (6.2755.000)
3
Cartridge holder
4
Snap-action lever
5
Rollers
6
Roller hub
7
Mounting bolt
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