User's Manual

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Declared dual-number noise emissions values (in accordance with ISO 4871)
Tube Size Sound Pressure
Level (L)
Uncertainty
(K)
Sound Power
Level
Uncertainty
(K)
15 and 22 (mm) tubing
type
30.5 dB(A) 2.0 db(A) 38.5 dB(A) 2.0 dB(A)
12 (mm) tubing type 30.5 dB(A) 2.0 db(A) 38.5 dB(A) 2.0 dB(A)
Pressure accuracy
Pressure Increments: 4-20cm H
2
O (in 0.5 cm H
2
O increments)
Maximum static and dynamic pressure accuracy, according to ISO 80601-2-70:2015:
Tube Type Static Dynamic
< 10 cmH
2
O
Dynamic
≥ 10 to 20 cmH
2
O
15 and 22 (mm) tubing type ± 0.5 cmH
2
O ± 0.5 cmH
2
O ± 1.0 cmH
2
O
12 (mm) tubing type ± 1.0 cmH
2
O ± 2.0 cmH
2
O ± 2.0 cmH
2
O
Static pressure accuracy has a measurement uncertainty of 1.31%.
Dynamic pressure accuracy has a measurement uncertainty of 2.70%.
Maximum ow rate (typical)
Tube Type Flow
Test pressures (cmH
2
O)
4 8 12 16 20
12 (mm) tubing type
(heated or non-heated)
Average ow at the patient
connection port (l/min)
125 120 113 105 96
15 (mm) tubing type
(heated or non-heated)
Average ow at the patient
connection port (l/min)
148 142 134 125 115
22 (mm) tubing type Average ow at the patient
connection port (l/min)
146 151 142 132 121