Care
70
Flow sensor
1 Push the flow sensor to the left as far as it will go and
2 pull out.
● Disinfect flow sensor for about 1 hour in 70 % ethanol
solution.
● Leave sensor to dry in air for at least 30 minutes.
Residual alcohol could otherwise cause the sensor to fail
during calibration.
● The flow sensor may be re-used as long as automatic
calibration can be carried out successfully.
Expiration valve
3 Remove collecting jar from water trap.
4 Turn knurled sleeve to the left and
5 remove expiration valve.
6 Remove diaphragm.
7 Remove rubber bushing.
● Do not disassemble the expiration valve any further.
● The expiration valve together with the diaphragm, rubber
bushing and dismantled water trap collecting jar are
suitable for disinfection and cleaning by autoclaving or
sterilising.
Breathing gas humidifier
● Dismantle according to the relevant Instructions for Use
and prepare for disinfection/sterilisation.
● The flow sensor cannot be autoclaved or
steam-sterilised. It is not temperature-stable
and would be destroyed.
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