Flow (Maximum) At Set Pressures; Displayed Values - ResMed VPAP ST-A User Manual

Flow (maximum) at set pressures

The following are measured at the end of the specified air tubing:
Pressure
cm H O
2
4
8
12
16
20
25

Displayed values

Value
Pressure sensor at air outlet
Mask pressure
Flow derived values
Leak
Tidal volume
Respiratory rate
Minute ventilation
Ti
I:E ratio
Value
Pressure measurement
Mask pressure
Flow measurements
Leak
2
Tidal volume
2,3
Respiratory rate
Minute ventilation
Results are expressed at ATPD (Ambient Temperature and Pressure, Dry)
1
Accuracy may be reduced by the presence of leaks, supplemental oxygen, tidal volumes <100 mL or minute
2
ventilation <3 L/min.
Measurement accuracy verified as per EN ISO 10651-6:2009 for Home Care Ventilatory Support Devices (Figure 101
3
and Table 101) using nominal ResMed mask vent flows.
46
VPAP ST-A and
standard air
tubing,
L/min
200
200
200
200
190
180
Range
2–30 cm H
0–200 L/min
0–4000 mL
0–50 BPM
0–30 L/min
0–4.0 sec
1:50–2:1
Accuracy
1
±0.5 cm H
1
±12 L/min or 20% of reading, whichever is greater, at 0 to 60 L/min
±20%
±1.0 BPM
2,3
±20%
2,3
VPAP ST-A, H5i
and standard air
tubing,
L/min
170
170
170
170
170
161
O
2
1
O (+ 4% of measured value)
2
VPAP ST-A and VPAP ST-A, H5i
SlimLine, and ClimateLine,
L/min
195
190
184
175
168
144
Display resolution
0.1 cm H O
2
1 L/min
1 mL
1 BPM
0.1 L/min
0.1 sec
0.1
L/min
170
170
170
170
161
125