ResMed Mirage Activa LT - Manual (Page 9)

8
Technical Specifications
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.
0
5
10
15
20
25
30
35
40
45
50
4 6 8 10 12 14 16 18 20
Pressure
(cm H
2
O)
Flow
(L/min)
4 19
8 28
12 34
16 40
20 45
Vent Flo
w R
ate (L/min)
Mask Pressure (cm H
2
O)
Dead Space
Information
The dead space of the mask varies according to cushion size. It is
185 mL for the Medium size.
Therapy Pressure 4 to 20 cm H
2
O
Environmental
Conditions
Operating temperature: +5°C to +40°C
Operating humidity: up to 95% non-condensing
Storage and transport temperature: -20°C to +60°C
Storage and transport humidity: up to 95% non-condensing
Sound DECLARED DUAL-NUMBER NOISE EMISSION VALUES in ac-
cordance 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.
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
Gross dimen-
sions
M, L, LW: 154 mm (H) x 95 mm (W) x 117 mm (D)
Mask fully assembled – no headgear.
The manufacturer reserves the right to change these specifications without
notice.