iVolve Full Face Mask User Manual V1.
3
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En
g
lis
h
Technical Specifications
Pressure–Flow
Curve
Dead Space
Information
Dead space is the empty volume of the mask up to the swivel.
The dead space of the mask varies according to cushion sizes
but is less than 246 ml.
Therapy
Pressure
4 to 30 cmH
2
O
Resistance
Drop in Pressure measured (average for 3 sizes)
at 50 L/min: 0.1 cmH
2
O
at 100 L/min: 0.5 cmH
2
O
Inspiratory and
Expiratory
Resistance
The inspiratory resistance of the mask (in combination with the
Non-Rebreathing Valve) is 1.2 cmH
2
O per L/S.
The expiratory resistance of the mask (in combination with the
Non-Rebreathing Valve) is 1.4 cmH
2
O per L/S.
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: 0%
～
93% relative humidity
non-condensing
Storage and transport: -20°C to +55°C
Storage and transport humidity: 0%
～
93% relative humidity
non-condensing
F
lo
w
Ra
te
（
L/
m
in
）
Mask Pressure (cmH
2
O)
