Technical Specifications - ResMed AirFit F20 Guia Del Usuario

Technical specifications

Pressure-flow curve
Dead space: Empty volume of the mask to the
end of the swivel. The mask deadspace varies
according to cushion size.
Therapy pressure
Resistance with Anti Asphyxia Valve (AAV)
closed to atmosphere: Drop in pressure
measured (nominal)
at 50 L/min
at 100 L/min
Resistance with Anti Asphyxia Valve (AAV)
open to atmosphere
Inspiration at 50 L/min:
Expiration at 50 L/min:
Anti Asphyxia Valve (AAV)
open-to-atmosphere pressure
Anti Asphyxia Valve (AAV)
closed-to-atmosphere pressure
Sound: DECLARED DUAL-NUMBER NOISE EMISSION VALUES in accordance with
ISO 4871. The A-weighted sound power level and the A-weighted sound pressure level of
the mask at a distance of 1 m, with uncertainty of 3 dBA, are shown
Power level
Pressure level
The mask contains passive venting to protect against
rebreathing. As a result of manufacturing variations, the vent
flow rate may vary.
AirFit F20
240 mL (Large)
3 to 40 cm H O
2
0.2 cm H O
2
0.6 cm H O
2
0.6 cm H O
2
0.7 cm H O
2
≤3 cm H O
2
≤3 cm H O
2
30 dBA
23 dBA
Pressure Flow
(cm H O) (L/min)
2
3 19
10 37
16 48
24 60
30 69
40 82
AirTouch F20
281 mL (Large)
3 to 40 cm H O
2
0.2 cm H O
2
0.6 cm H O
2
0.6 cm H O
2
0.7 cm H O
2
≤3 cm H O
2
≤3 cm H O
2
30 dBA
23 dBA
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