ResMed AirSense 11 Manual page 42

Pneumatic flow path
Displayed values
Value
Pressure at mask:
Displayed mask pressure 1
Flow derived values:
Leak 1
1
Results may be inaccurate in the presence of leaks or supplemental oxygen
Pressure accuracy
Maximum static pressure variation at 10 cm H
Device with humidifier tub and air tubing:
Note: Refer to the relevant measurement uncertainty from the Measurement system uncertainties table.
Maximum dynamic pressure variation according to ISO 80601-2-70:2015
AirSense 11 with humidifier tub and air tubing
Breath rate
Dynamic pressure variation (cmH
Measurement system uncertainties
In accordance with ISO 80601-2-70:2015 the measurement uncertainty of the manufacturer's test equipment is:
For measures of flow:
For measures of static pressure:
For measures of dynamic pressure:
Note: ISO 80601-2-70:2015 stated accuracies and test results provided in this manual for these items already include the relevant
measurement uncertainty from the table above.
In accordance with ISO 80601-2-74:2017 the measurement uncertainty of the manufacturer's test equipment is
For measures of humidification output
Bluetooth
Technology used:
Connection types:
Frequency:
Max RF power output:
Operation range:
Wireless module
Bluetooth
Technology used:
Connection types:
Range
4-20 cm H O (4-20 hPa)
2
0-120 L/min
O (10 hPa) according to ISO 80601-2-70:2015
2
O [hPa])
2
± 3.9 L/min
± 0.15 cm H
± 0.04 cm H
± 0.5 mg/L BTPS
Bluetooth Low Energy (BLE)
GATT
2400 to 2483.5 MHz
+4 dBm
10 m (Class 2)
Bluetooth Low Energy (BLE)
GATT
1. Flow sensor
2. Blower
3. Pressure sensor
4. Mask
5. Air tubing
6. Bacterial/viral filter
7. Humidifier
8. Device
9. Inlet filter
Accuracy
±0.5 cm H O (0.5 hPa) ±4% of
2
measured reading
± 12 L/min or 20% of reading
whichever is greater, 0 to 60
L/min
±0.5 cm H O (±0.5 hPa)
2
10 BPM 15 BPM
0.5 0.5
O (± 0.15hPa)
2
O (± 0.04hPa)
2
Display resolution
0.1 cm H O (0.1 hPa)
2
1 L/min
20 BPM
0.8
English 39