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Alarm specifications
Alarm delay specifications for SpO
2
and PR alarms
The following table lists the alarm delays for physiological alarms related to the pulse
oximetry and pulse rate measurements. Any alarm delays that are less than 5 s are given as
<5 s.
The alarm delay is the sum of the alarm condition delay and a user-configurable alarm
signal generation delay. In the measurements performed to obtain these readings the signal
generation delay was the adult default setting:
●
20 s for PR high , PR low , and SpO2 high
●
60 s for SpO2 low
●
0 s for SpO2 critically low
Physiological alarms
Alarm Limit range Limit increment Alarm delay
PR high 10 to 120 beats
per minute 1 beat per minute 45 s (average) (45 to 46 s range)
PR low 30 to 240 beats
per minute 1 beat per minute 40 s (average) (40 to 40 s range)
SpO2 high 70 to 100% 1% 19 s (average) (19 to 20 s range)
SpO2 low
70 to 100% 1% 33 s (average) (32 to 33 s range)
SpO2 critically low
1 to 15% 1%
14 s (average) (13 to 14 s range)
Technical alarms
Alarm Alarm delay
Check SpO2 probe
29 s (average) (29 to 30 s range)
SpO2 probe off 33 s (average) (33 to 34 s range)
Faulty SpO2 probe
<5 s
SpO2 battery low 54 s (average) (54 to 55 s range)
Change SpO2 battery 46 s (average) (37 to 54 s range)
Clean SpO2 battery interface
<5 s
No SpO2 battery
<5 s
Weak SpO2 connection
<5 s
SpO2 connection lost 10 s (average) (9 to 10 s range)
SpO2 device overheating
<5 s
Alarm delay specifications for technical issues
The following table lists the alarm delays for technical alarms. Any alarm delays that are less
than 5 s are given as <5 s.
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Portrait ™ Mobile Monitoring Solution
5815148-01