Technical Specifications - ResMed AirFit F20 User Manual

Technical specifications

Pressure-flow
curve
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 4871:1996 and ISO 3744:2010. 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 (with Standard elbow)
Power level (with QuietAir elbow)
Pressure level (with Standard elbow)
Pressure level (with QuietAir elbow)
Environmental
conditions
8
The mask contains passive venting to protect against rebreathing. As
a result of manufacturing variations, the vent flow rate may vary.
Operating temperature: 5°C to 40°C
Operating humidity: 15% to 95% non-condensing
Storage and transport temperature: -20°C to +60°C
Storage and transport humidity: up to 95% non-condensing
Pressure Flow
(cm H O) (L/min)
2
3 19
13 42
22 57
31 70
40 82
3 to 40 cm H O
2
0.2 cmH O
2
0.6 cmH O
2
0.6 cm H O
2
0.8 cm H O
2
≤3 cm H O
2
≤3 cm H O
2
30 dBA
21 dBA
22 dBA
13 dBA