7 injection valve, 8 peristaltic pump, 9 metrohm suppressor module (msm) – Metrohm 882 Compact IC plus – Anion – MCS User Manual
Page 107: Injection valve, Peristaltic pump, Metrohm suppressor module (msm)
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7 Technical specifications
882 Compact IC plus – Anion – MCS
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97
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The pump is automatically shut down at the first piston stroke
above the maximum limit value
Minimum pres-
sure limit
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Adjustable from 0…49 MPa (0…490 bar)
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The shutdown mechanism is inactive at 0 MPa
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The shutdown mechanism only becomes active 2 minutes after sys-
tem start
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The pump is automatically shut down after 3 piston strokes below
the minimum pressure limit
7.7
Injection valve
Actuator time
typ.100 ms
Max. operating
pressure
35 MPa (350 bar)
Material
PEEK
7.8
Peristaltic pump
Type
2-channel peristaltic pump
Rotating direction
Counterclockwise/Clockwise rotation
Rotational speed
0…42 rpm in 7 stages at 6 rpm.
Pumping proper-
ties
0.3 mL/min at 18 rpm; with 6.1826.320 standard pump tubing.
Material of pump
tubings
recommended: Tygon Long Flex Life
7.9
Metrohm Suppressor Module (MSM)
Resistance to sol-
vents
100 % no restriction
Switching time
typ.100 ms