Metrohm 882 Compact IC plus – Anion - Manual (Page 98)

7.7 Injection valve ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
88 ￭￭￭￭￭￭￭￭ 882 Compact IC plus – Anion
￭ 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