3 User Maintenance
1009-0633-000
3-5
4. Make sure the o-ring (1) is on the sensor. Install the replacement O
2
sensor. Reconnect the O
2
sensor cable.
5. Replace the flow sensor module on the system and press the latch (1) in
to secure the module.
O
2
sensor calibration
w
WARNING
Do not perform calibration while unit is connected to a patient.
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The O
2
sensor must be calibrated at the same environment
pressure at which it will be used to monitor oxygen delivery in the
patient circuit.
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Operation at pressures other than the pressures present during
calibration may result in readings outside of the stated monitoring
accuracy.
21% O
2
sensor
calibration
This procedure takes three minutes or less.
You must do the 21% O
2
calibration before the 100% O
2
calibration. During O
2
calibration the screen replaces O
2
data with
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1
1
Summary of Contents for Aespire 7900
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