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Disconnect Alarm: An audible and visual 'Disconnect' alarm is preset to
detect a pressure line or patient interface that has come loose or that is
disconnected. The alarm is set to activate according to the following list:
While the alarm is active, the patient flow will remain within ±2 LPM of Target
Flow. There is a 5 second delay for this alarm.
Leak Alarm: An audible and visual Leak alarm is preset for a flow rate that
is 3 LPM above the Target Flow rate or for a flow that is greater than 15
LPM. There is a 5 second delay for this alarm
Low Flow Alarm: An audible and visual Low Flow alarm is preset for flow
rates at or below 3 LPM. There is a 10 second delay for this alarm.
Oxygen Concentration Alarms: The oxygen concentration is allowed to
operate within a ±3 %O
A Medium Priority warning will activate whenever the product of the variance
outside of the FiO
exceeds 20.
A High Priority alarm will activate whenever the product of the variance
outside of the FiO
exceeds 30.
For example: if the Set %O
ten (10) seconds, a Medium Priority warning will activate. In this case the
reading is 2 percentage points outside of the ±3 percentage point range. If
the Set %O
2
High Priority alarm will activate.
Battery Alarms: An audible and visual Low Battery alarm has dual limits.
The first limit will activate the medium priority alarm when the battery falls
below 10% remaining (approx. 24 minutes). The second limit will activate
the high priority alarm when the battery falls below 5% remaining (approx. 12
minutes). There is a 2 second delay for this alarm. An audible and visual
Charge Fault alarm will indicate if the battery is not charging properly. The
system verifies proper charging at start up and during the routine oxygen
calibration. There is a 5 second delay for this alarm.
®
AirLife
nCPAP Operator's Manual
Flow (LPM)
≥ 0
≥ 6
≥ 9
≥ 12
≥ 14
range without alarming.
2
range and the duration (in seconds) of the variance
2
range and the duration (in seconds) of the variance
2
is 30% and the reading is 35% for a period of
2
is 30% and the reading is 35% for a period of 15 seconds, a
CPAP (cmH
O)
2
≤ 1
≤ 2
≤ 3
≤ 4
≤ 5
5
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