Swift FX Bella Gray
Problem / possible cause
Ears are sore
Swift FX Bella Gray headgear is not
fitted correctly.
Swift FX Bella Gray headgear is not
suited for your ear type.
Technical specifications
Pressure–flow
curve
60
50
40
30
20
10
0
4
6
Dead space
information
Therapy pressure
Resistance
Environmental
conditions
Swift FX
The mask contains passive venting to protect against
rebreathing. As a result of manufacturing variations, the
vent flow rate may vary.
8
10
12
Mask pressure (cm H
Physical dead space is the empty volume of the mask
to the end of the swivel. Using the large cushions it is
106 mL.
4 to 20 cm H
O
2
Drop in pressure measured (nominal)
at 50 L/min: 0.4 cm H
at 100 L/min: 1.4 cm H
Operating temperature: +41°F to 104°F
(+5°C to +40°C)
Operating humidity: 15% to 95% relative humidity
non-condensing
Storage and transport temperature: -4°F to 140°F
(-20°C to +60°C)
Storage and transport humidity: up to 95% relative
humidity non-condensing
Solution
Readjust the straps to ensure they
are not overtightened or twisted.
If problem persists talk to your
clinician.
Replace the Swift FX Bella Gray
headgear with the supplied Swift
FX headgear.
14
16
18
O)
2
O
2
O
2
10
Pressure
Flow
(cm H2O)
(L/min)
4
20
8
29
12
37
16
43
20
20
49