ResMed AirFit N20 Bedienungsanleitung Seite 12

Technical specifications
Pressure-flow
curve
Therapy pressure
Dead space: Physical dead space is the empty volume of the mask to the end of the
swivel. Using the large cushion it is
Resistance: Drop in pressure measured (nominal)
at 50 L/min
at 100 L/min
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
Gross dimensions: Mask fully assembled with the short tube assembly and swivel,
excluding the headgear (H x W x D)
Environmental Conditions
Operating temperature: 5°C to 40°C
Operating humidity: 15% to 95% RH non-condensing
Storage and transport temperature: -20°C to +60°C
Storage and transport humidity: up to 95% RH non-condensing
The mask contains passive venting to protect against rebreathing.
As a result of manufacturing variations, the vent flow rate may
vary.
AirFit N20
4 to 30 cm H
103 mL (Large)
0.3 cm H
1.3 cm H
24 dBA
16 dBA
339 mm x 291 mm x
162 mm
Pressure
(cm H
4
7
11
14
17
20
24
27
30
AirTouch N20
O 4 to 30 cm H
2
103 mL (Large)
O 0.4 cm H
2
O 1.4 cm H
2
24 dBA
16 dBA
339 mm x 291 mm x
170 mm
Flow
O) (L/min)
2
20
27
35
40
44
49
54
58
61
O
2
O
2
O
2
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