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Technical Specifications
Note: The mask system does not contain latex, PVC or DEHP materials.
Pressure–Flow Curve
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
2
4
6
8
Mask Pressure (cm H
Note: As a result of manufacturing variations, the vent flow may vary from that
indicated in the graph.
Dead Space Information
Dead space is the empty volume of the mask up to the elbow.
The maximum dead space of the Mirage Liberty for all mask size combinations
is 151 mL.
Standards
CE designation in accordance with EC directive 93/42/EEC, class IIa.
ISO 14971, ISO 10993-1, ISO 17510-2, ISO 13485.
Therapy Pressure
4 to 20 cm H
O
2
Resistance
Drop in pressure measured (nominal)
at 50 L/min: 0.5 cm H
at 100 L/min: 1.6 cm H
Sound
The A-weighted sound power of the mask is 28 dBA.
Environmental Conditions
Operating temperature: +5°C to +40°C
Operating humidity: 10%–95% relative humidity non-condensing
Storage and transport temperature: -20°C to +60°C
Storage and transport humidity: 10%–95% relative humidity non-condensing
10
12
14
16
18
20
22
24
O)
2
O
2
O
2
Pressure
(cm H
O)
2
4
8
12
16
20
26
28
30
8
Flow
(± 6.0 L/min)
22
32
41
48
54
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