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Technical Specifications
Note: The mask system does not contain latex, PVC or DEHP materials.
Pressure–Flow
Curve
The mask contains passive venting to protect against
rebreathing. As a result of manufacturing variations, the vent
flow rate may vary.
Dead Space
Information
The dead space of the mask varies according to cushion size. It
is 128 mL for the Extra Large size.
Therapy
Pressure
4 to 20 cm H
2
O
Resistance Drop in pressure measured (nominal)
at 50 L/min: 0.1 cm H
2
O
at 100 L/min: 0.7 cm H
2
O
Sound DECLARED DUAL-NUMBER NOISE EMISSION VALUES in
accordance with ISO 4871. The A-weighted sound power level
of the mask is 30 dBA, with uncertainty 3 dBA. The A-weighted
sound pressure level of the mask at a distance of 1 m is
22 dBA, with uncertainty 3 dBA.
Environmental
Conditions
Operating temperature: +5°C to +40°C
Operating humidity: up to 95% relative humidity
non-condensing
Storage and transport: -20°C to +60°C
Storage and transport humidity: up to 95% relative humidity
non-condensing
Gross
dimensions
S: 140 mm (H) x 91 mm (W) x 93 mm (D)
M, L, LW, XL: 155 mm (H) x 91 mm (W) x 98 mm (D)
Mask fully assembled – no headgear.
Note: The manufacturer reserves the right to change these specifications
without notice.
Storage
Ensure that the mask is thoroughly clean and dry before storing it for any
length of time. Store the mask in a dry place out of direct sunlight.
Pressure
(cm H
2
O)
Flow
(L/min)
4 19
8 28
12 34
16 40
20 45
0
5
10
15
20
25
30
35
40
45
50
468101214161820
Vent Flow Rate (L/min)
Mask Pressure (cm H
2
O)