Using the ventilator 23
5.2 Selecting the ventilation settings
MEDUMAT
Standard must
never be used
simultaneously
with a module as this
would make it impossible
to work to the selected
parameters.
The settings can be selected either before or after the
MEDUMAT Standard is switched on. We recommend
selection before switching on to prevent unneces-
sary waste of oxygen.
Air Mix/No Air Mix
An air/oxygen mix is normally used in order to save
oxygen.
1. To obtain this, switch tumbler to
Air Mix.
The oxygen concentration administered will nor-
mally lie somewhere between 55 % and 85 %
at a ventilation pressure of 10 mbar. You can
read off the exact figure from relevant diagram
(note “11.2 O2 content when using Air Mix“ on
page 62).
The
No Air Mix setting should be used when the
surrounding atmosphere is polluted or has a low
oxygen content or when the indication requires this.
2. Set switch to
No Air Mix.
When the ventilator is switched from an air/oxy-
gen mixture (
Air Mix) to pure oxygen (No Air Mix),
the minute volume will vary only within the set
tolerances (note “11. Technical data“ on
page 58).
No Air Mix
Air Mix
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