Monitoring
Expiratory minute volume MV
Upper alarm limit alarm when MV exceeds the upper alarm limit.
Setting range 41 to 0.1 L/min, in 0.1 L/min steps
Lower alarm limit alarm when MV falls below the lower alarm limit.
Setting range 0.01 to 40 L/min, in 0.1 L/min steps
Airway pressure Paw
Upper alarm limit alarm if the "Paw high" value is exceeded.
Setting range 10 to 100 mbar
Lower alarm limit alarm if the value "PEEP +5 mbar" (coupled with the PEEP set value)
is not exceeded for at least 96 ms in 2 successive ventilation
strokes.
Insp. O2 concentration FiO2
Upper alarm limit alarm if FiO2 exceeds the upper alarm limit for at least 20 seconds.
Lower alarm limit alarm if FiO2 falls below the lower alarm limit for at least 20 seconds.
Range both alarm limits are automatically allocated to the set value:
under 60 Vol.% with ±4 Vol.%
over 60 Vol.% with ±6 Vol.%
Endexspiratory CO2-concentration etCO2
Upper alarm limit alarm if the upper alarm limit has been exceeded
Setting range 0 to 100 mmHg
or
0 to 15 kPa
Lower alarm limit alarm if the lower alarm limit fell below
Setting range 0 to 99 mmHg
or
0 to 14 kPa
Insp. breathing gas temperature
Upper alarm limit alarm when temperature reaches 40 ºC.
(Evita 4 can also be used without temperature sensor if the
sensor is not connected on switching on).
Tachypnoea monitoring
Alarm during spontaneous breathing, when the spontaneous breathing
frequency has been exceeded.
Setting range 5 to 120/min
Volume monitoring
Lower alarm limit alarm if the set tidal volume VT (coupled with the set value VT) has not
been supplied.
Upper alarm limit alarm if the applied tidal volume exceeds the value of the alarm limit,
inspiration is interrupted and the expiration valve is opened.
Setting range 21 to 4000 mL
Apnoea alarm time
Alarm if no breathing activity is detected
Setting range 5 to 60 s, adjustable in 1 second steps.
Technical Data
156
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