2 overview of the instrument, 1 mode of operation of the membrane pump, Mode of operation of the membrane pump – Metrohm 823 Membrane Pump Unit User Manual
Page 14: Figure 1, Front 823 membrane pump unit, Figure 2
2.1 Mode of operation of the membrane pump
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2 Overview of the instrument
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Figure 1
Front 823 Membrane Pump Unit
1
Status LED
For displaying the operating state.
2
Inlet connector
With union nut for the aspiration tubing.
3
Membrane pump
With arrows to indicate the flow direction.
4
Pressurizing valve
5
Outlet connector
With union nut for the drainage tubing.
6
Connection cable
With M8 plug for connection to a Sample
Processor.
2.1
Mode of operation of the membrane pump
Figure 2
Mode of operation of the membrane pump
1
Outlet valve
2
Inlet valve