18
Displayed values
Value Range Display resolution
Pressure sensor at air outlet:
Mask pressure 2–25 cm H
2
0 (2–25 hPa) 0.1 cm H
2
O
Flow derived values:
Leak 0–120 L/min 1 L/min
Tidal volume 0–4000 mL 1 mL
Respiratory rate 0–50 BPM 1 BPM
Minute ventilation 0–30 L/min 0.1 L/min
Ti 0.1–4.0 sec 0.1 sec
I:E ratio 1:100 – 2:1 0.1
Value Accuracy
1
Pressure measurement
1
:
Mask pressure
2
±[0.5 cm H
2
0 (0.5 hPa) + 4% of measured value]
Flow and flow derived values
1
:
Flow ±6 L/min or 10% of reading, whichever is greater, at 0 to 150 L/min positive flow
Leak
2
±12 L/min or 20% of reading, whichever is greater, 0 to 60 L/min
Tidal volume
2,3
±20%
Respiratory rate
2,3
±1.0 BPM
Minute ventilation
2,3
±20%
1
Results are expressed at ATPD (Ambient Temperature and Pressure, Dry).
2
Accuracy may be reduced by the presence of leaks, supplemental oxygen, tidal volumes <100 mL or minute ventilation <3 L/min.
3
Measurement accuracy verified as per EN ISO 10651-6:2009 for Home Care Ventilatory Support Devices (Figure 101 and Table 101) using
nominal ResMed mask vent flows.
Pressure accuracy
Maximum static pressure variation at 10 cm H
2
O (10 hPa) according to EN ISO 17510-1:2009
Standard air tubing SlimLine air tubing
Without humidification ± 0.5 cm H
2
O (± 0.5 hPa) ± 0.5 cm H
2
O (± 0.5 hPa)
With humidification ± 0.5 cm H
2
O (± 0.5 hPa) ± 0.5 cm H
2
O (± 0.5 hPa)
Maximum dynamic pressure variation according to EN ISO 17510-1:2009
Device without humidification and Standard air tubing / Device with humidification and Standard air tubing
Pressure [cm H
2
O (hPa)] 10 BPM 15 BPM 20 BPM
4 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
8 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
12 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
16 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
20 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
25 0.3 / 0.3 0.5 / 0.4 0.7 / 0.7
Device without humidification and SlimLine air tubing / Device with humidification and SlimLine air tubing
Pressure [cm H
2
O (hPa)] 10 BPM 15 BPM 20 BPM
4 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
8 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
12 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
16 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
20 0.5 / 0.5 0.5 / 0.5 0.8 / 0.8
25 0.4 / 0.3 0.6 / 0.5 0.8 / 0.8