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

The pump is automatically shut down at the first piston stroke
above the maximum limit value

Minimum pres-
sure limit

Adjustable from 0…49 MPa (0…490 bar)

The shutdown mechanism is inactive at 0 MPa

The shutdown mechanism only becomes active 2 minutes after sys-
tem start

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

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