Metrohm 850 Professional IC AnCat MCS User Manual Page 60

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2.17 Peristaltic pump
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850 Professional IC – AnCat – MCS
2.17 Peristaltic pump
2.17.1 Principle of 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 according to the principle of displace-
ment. The pump tubing is clamped between the rollers (27-3) and the
tubing cartridge (27-5). During operation, the peristaltic pump drive
rotates the roller hub (27-2), so that the rollers (27-3) push the liquid for-
ward in the pump tubing.
6
1
4
3
2
5
7
Figure 27
Peristaltic pump
1
Knurled screw in the mounting pin
2
Roller hub
3
Rollers
4
Cartridge holder
5
Tubing cartridges 6.2755.000
6
Contact pressure lever
7
Snap-action lever
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