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5 Operation
5.3 Dispensing with a microfilter
Discharge tube with Luer-Lock attachment for microfilters
The discharge tube with Luer-Lock attachment for microfilters can optionally be used for sterile filtra-
tion of media, see Accessories/spare parts, p. 79.
The discharge tube with Luer-Lock attachment allows a microfilter to be connected for sterile filtra-
tion. The parts which come into contact with media consist of:
borosilicate glass, l
ment).
Therefore, never use for:
•
Liquids attacking borosilicate glass (e.g., hydrofluoric acid)
•
Peroxides, as these are decomposed catalytically by platinum-iridium (e.g., H
The operating exclusions for the instrument and microfilter in use also apply. Only use microfilters
with Luer-Lock. Never exceed the maximum operating force of 100 N.
Assembly
64
Operating manual
O
-ceramic, ETFE, FEP, PFA, PTFE, platinum-iridium and PP (Luer-Lock attach-
2
3
a.
b.
Observe the regulations for handling sterile media. The in-
creased flow resistance can lead to leaking liquid in the dis-
pensing cartridge. To keep any liquid leaks to a minimum, we
recommend dispensing with little force and using a filter
with a large filter surface. Please follow the recommenda-
tions of the filter manufacturer in terms of media compatibil-
ity. Watch out for any increase in pressure during use, and
change the filter in a timely manner before it becomes
blocked.
Dismantle the standard discharge tube from the
seripettor® pro and slide the discharge tube with Luer-
Lock approx. 2 mm onto the adapter for discharge
tubes.
Then firmly tighten the cap nut by hand. Commercially
available sterile filters can be installed onto the Luer-
Lock attachment. After connecting the filter, check that
it is firmly seated.
NOTICE
O
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