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Technical Specifications
When determining ventilator settings, and in particular the tidal volume for
volume cycled ventilators, make appropriate allowances for mask dead space
and leak.
Unintentional Mask Leak
The Unintentional Mask Leak comprises leak between the cushion-frame and
elbow-frame interfaces.
Dead Space
Dead space is the empty volume of the mask up to the elbow.
The dead space of the mask varies according to cushion sizes but is less than
260 mL.
Standards
CE designation in accordance with EC directive 93/42/EEC, class IIa.
EN ISO 14971, ISO 5356-1, ISO 594-1, ISO 10993-1 and ISO 13485.
Operating Pressure
0 to 40 cm H
2
O
Resistance
Drop in pressure measured
at 50 L/min: 0.5 cm H
2
O
at 100 L/min: 1.5 cm H
2
O
Dimensions
The dimensions of the mask (Medium) are:
H = 200mm, W = 100mm and D = 100mm
Pressure
(cm H
2
O)
Maximum Leak
(L/min)
4–20 6
608140r2.book Page 7 Thursday, November 2, 2006 9:37 AM