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
208 mL.
Therapy Pressure
4 to 30 cmH
2
O
Resistance
Drop in Pressure measured
at 50 L/min: ≤ 0.5 cmH
2
O
at 100 L/min: ≤ 1.5 cmH
2
O
Inspiratory and expiratory
resistance with the Non-
Rebreathing Valve open-to-
atmosphere pressure
Inspiratory at 50 L/min: ≤ 2 cmH
2
O
Expiratory at 50 L/min: ≤ 2 cmH
2
O
The Non-Rebreathing Valve open-
to-atmosphere pressure
≤ 2 cmH
2
O
The Non-Rebreathing Valve closed-
to-atmosphere pressure
≤ 2 cmH
2
O
Technical Specifications