12-8
Narkomed GS Operator’s Instruction Manual
Draeger Medical, Inc.
12
Oxygen Monitoring
Oxygen Alarm Messages
The following list contains all warning, caution, and advisory alarms
associated with oxygen monitoring.
INSP O2 LOW
(Warning)
The Narkomed GS continuously compares the current inspiratory oxygen
percentage with the preset low oxygen alarm limit. If the measured oxygen
concentration falls below the low alarm limit, the Warning message
INSP
O2 LOW
appears in the Alarm window, and a continuous audible alarm
sounds.
INSP O2
HIGH
(Advisory)
If the measured inspiratory oxygen concentration exceeds the preset high
alarm limit, the Advisory message
INSP O2 HIGH
appears in the Alarm
window, and a single-tone audible alarm sounds.
O2 SENSOR
DISC
(Advisory)
If the oxygen sensor cord becomes disconnected (or is damaged enough to
cause an open circuit), the Advisory message
O2 SENSOR DISC
appears in
the Alarm window, and a single-tone audible alarm sounds.
REPLACE O2
CELL
(Advisory)
During oxygen sensor calibration and monitoring, the Narkomed GS
checks for a difference between the outputs of the two sensor channels. If
the difference exceeds a predetermined percentage, the Advisory message
REPLACE O2 CELL
appears in the Alarm window.
During oxygen sensor calibration, the Narkomed GS also checks the
sensor's output against a range of acceptable output voltages. There are
three possible causes for deviation from within this range.
•
Exhausted sensor.
If the sensor's capacity is exhausted, its output
voltage will not meet the required minimum.
•
Incorrect calibration environment.
If the sensor is exposed to an
excessive oxygen during calibration, the sensor's output will be above
or below the acceptable output range.
•
Improper waiting.
If the proper waiting period is not allowed for a new
sensor or for a sensor removed from the sensor housing, the sensor's
output may be above or below the acceptable output range.
If a sensor error condition is detected during monitoring, the Advisory
message
REPLACE O2 CELL
appears in the Alarm window and operation
continues. Try to recalibrate the sensor; if the message remains, replace
the sensor cell.
Summary of Contents for Narkomed GS
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