20 User Manual
Pressure Accuracy
Pressure Increments: 4.0 to 20.0 cm H
2
O (in 0.5 cm H
2
O increments)
Pressure Stability:
Static Dynamic
< 10 cm H
2
O
Dynamic
≥ 10.0 to 20 cm H
2
O
Device ± 0.5 cm H
2
O ≤ 0.5 cm H
2
O ≤ 1.0 cm H
2
O
Device w/ Humidier ± 0.5 cm H
2
O ≤ 0.5 cm H
2
O ≤ 1.0 cm H
2
O
Maximum Flow Rate (typical)
Test pressures (cm H
2
O)
4.0 8.0 12.0 16.0 20.0
22 mm
tubing
Measured pressure at the patient
connection port (cm H
2
O)
3.6 7.5 11.0 15.0 19.0
Average ow at the patient
connection port (l/min)
84.1 135.2 154.5 146.9 128.7
15 mm
tubing
(heated
or non-
heated)
Measured pressure at the patient
connection port (cm H
2
O)
3.8 7.0 11.0 15.0 19.0
Average ow at the patient
connection port (l/min)
85.1 120.7 121.6 119.3 119.2