High-Pressure Pump - Metrohm 930 Compact IC Flex Oven/ChS Manual

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7.8

High-pressure pump

Type
Flow rate
Adjustable flow
range
Flow increment
Reproducibility
of the eluent
flow
Pressure range
Pump
Pump head
Residual pulsa-
tion
Safety shutdown
Function
Maximum pres-
sure limit
Minimum pres-
sure limit
930 Compact IC Flex Oven/ChS (2.930.2200)
Serial dual-piston pump
￭
Intelligent pump head recognition
￭
Chemically inert
￭
Metal-free pump heads
￭
Materials in contact with the eluent: PEEK, ZrO
￭
Self-optimizing flow and pressure
￭
0.001 - 20 mL/min
0.01 - 5 mL/min with standard PEEK pump head
1 µL/min
< 0.1% deviation
0 - 50.0 MPa (0 - 500 bar)
0 - 35.0 MPa (0 - 350 bar) (applies for the standard PEEK pump head)
< 1%
Automatic shutdown upon reaching the pressure limits
Adjustable from 0.1 - 50 MPa (1 - 500 bar)
￭
The pump is automatically shut down at the first piston stroke
￭
above the maximum limit value
Adjustable from 0 - 49 MPa (0 - 490 bar)
￭
The shutdown mechanism is inactive at 0 MPa
￭
The shutdown mechanism becomes active two minutes after sys-
￭
tem start
The pump is automatically shut down after three piston strokes
￭
below the minimum pressure limit
7 Technical specifications
, PTFE/PE
2
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