Final check
19
3.10 Function check of breath volume at 4.5 bar input pressure and
10 mbar back pressure
1. Provide a pressurized gas supply to MEDUMAT Easy CPR and to the flow meter.
2. Open oxygen cylinder.
3. Switch on device.
4. Operate device at setting freq. = 14 min
-1
and V
t
= 1.1 l.
Requirement:
Breath volume (V
te
) must be 1140 ± 170 ml.
5. Operate device at setting freq. = 10 min
-1
and V
t
= 1.1 l.
Requirement:
Breath volume (V
te
) must be 1100 ± 170 ml.
6. Operate device at setting freq. = 30 min
-1
and V
t
= 0.1 l.
Requirement:
Breath volume (V
te
) must be 100 ± 20 ml.
7. Switch off device.
8. Close oxygen cylinder.
9. Disconnect pressurized gas supply from device.
11
10
0,9
CPR
AT
Orifice set to
Flow meter
Patient valve with
patient circuit
10 mbar.
