17 peristaltic pump, 1 principle of the peristaltic pump, Principle of the peristaltic pump – Metrohm 850 Professional IC Anion MSM-HC MCS User Manual
Page 64: Figure 28, Peristaltic pump, See chapter 3.17
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3.17 Peristaltic pump
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850 Professional IC – Anion MSM-HC – MCS
3.17
Peristaltic pump
3.17.1
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 (28-3) and the
tubing cartridge (28-5). During operation, the peristaltic pump drive
rotates the roller hub (28-2), so that the rollers (28-3) push the liquid for-
ward in the pump tubing.
6
1
4
3
2
5
7
Figure 28
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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