18
Final check
3.9 Function check of frequency setting
1. Provide a pressurized gas supply to MEDUMAT Easy CPR and to the flow meter.
2. Open oxygen cylinder.
3. Switch on device.
4. Connect ventilation tube to 10 mbar orifice and to flow meter.
5. Operate device at setting freq. = 14 min
-1
and V
t
= 1.1 l.
Requirement:
Frequency must be 14 ± 2 min
-1
.
6. Operate device at setting freq. = 10 min
-1
and V
t
= 1.1 l.
Requirement:
Frequency must be 10 ± 2 min
-1
.
7. Operate device at setting freq. = 30 min
-1
and V
t
= 0.1 l.
Requirement:
Frequency must be 30 ± 2 min
-1
.
8. Switch off device.
9. Close oxygen cylinder.
10. Disconnect pressurized gas supply from device.
11
10
0,9
CPR
AT
Orifice 10 mbar
Flow meter
Patient valve with
patient circuit
open
