ResMed Mirage Activa - Manual (Page 32)

32
Technical Specifications
The mask contains passive venting to protect against rebreathing. As a result of
manufacturing variations, the vent flow rate may vary.
Pressure-flow curve – Swift FX Nano/ Swift FX Nano for Her
Vent flo
w rat
e (L/min)
0
10
20
30
40
50
60
70
80
4 6 8 10 12 14 16 18 20 22 24 26 28 30
Mask pressure (cm H
2
O)
Pressure-flow curve – Mirage FX/ Mirage FX for Her/ SoftGel/ Activa LT/ Micro/ Activa
Vent flo
w rat
e (L/min)
0
10
20
30
40
50
60
4 6 8 10 12 14 16 18 20
Mask pressure (cm H
2
O)
Swift FX
Nano/
Swift FX
Nano
for Her
Mirage FX/
Mirage FX
for Her
SoftGel Activa LT Micro Activa*
Pressure Flow (L/Min)
4 cm H
2
O 20 19 19 19 19 19
8 cm H
2
O 29 28 28 28 28 28
12 cm H
2
O 37 34 34 34 34 34
16 cm H
2
O 43 40 40 40 40 40
20 cm H
2
O 49 45 45 45 45 45
22.5 cm H
2
O 52 - - - - -
30 cm H
2
O 61 - - - - -
Deadspace: Empty volume of mask to swivel. The deadspace of the mask varies
according to cushion size.
125 mL
(Wide) 83 mL 145 mL
(Large) 185 mL
(Medium) 128 mL
(Extra
large) 311 mL
(Shallow)
Therapy pressure (cm H
2
O)
4 - 30 4 - 20 4 - 20 4 - 20 4 - 20 4 - 20
Resistance: Drop in pressure measured (nominal) (cm H
2
O)
at 50 L/min 0,5 0.25 0.3 0.1 0.1 0.1
at 100 L/min 2,0 1.1 0.9 0.7 0.7 0.5
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 1M, with uncertainty of 3 dBA, are shown.
Power Level 25 dBA
26 dBA 29 dBA 30 dBA 30 dBA 32 dBA
Pressure
level at 1m 17 dBA 18 dBA 22 dBA 22 dBA 22 dBA 24 dBA