Metrohm 930 Compact IC Flex - Page 34

4.12 Peristaltic pump
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930 Compact IC Flex ChS/PP/Deg (2.930.1360)
Setting the contact pressure correctly
1
￭ Fully loosen the contact pressure lever , i.e. press it all the way
down.
￭ In the software, activate the drive of the peristaltic pump with the
desired speed.
￭ Raise the contact pressure lever one step at a time until liquid
flows.
￭ When liquid starts flowing, raise the contact pressure lever by an
additional two ratchet increments.
The contact pressure is now set optimally.