5 Preoperative tests
M1204616 5-3
Flow and pressure calibration
Calibrate the flow sensors by removing them from the system. On-
screen instructions are available through
Main Menu - Calibration -
Flow and Pressure.
Important Room temperature fluctuations of more than 5°C may affect sensor
measurements. Recalibrate the flow sensors if the room temperature
changes by more than 5°C.
1. Set the Bag/Vent switch to Bag.
2. Remove the flow sensor module.
3. Wait for ‘No insp flow sensor’ and ‘No exp flow sensor’ alarms to
occur.
4. Reinsert the flow sensor module. Make sure the flow sensors are
securely latched when they are reinserted. Wait for alarms to
clear.
5. Start mechanical ventilation when ready.
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