Patient Monitor User Manual Monitoring RM
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Neonatal CO
2
/Flow Sensor with CO
2
Sensor Attached
NOTE:
1 The flow or CO
2
/flow sensor type is detected when the sensor is connected to the
RM module. The flow sensor type is communicated to the monitor. Flow sensors are
uniquely identifiable based on connector design.
2 Adult, pediatric and neonatal flow or CO
2
/flow sensor bodies are color-coded to
assist the user in identifying that the correct type of flow sensor is being used. For
more information on which sensor to use, refer to 32.10 RM Accessories.
19.4 Zero Calibration
The zero calibration is performed automatically during measurement. Also, a manual zero
calibration can be started whenever major errors of measurements are detected or the numerical
accuracy is in doubt. To manually zero the sensor, select
Zero on the RM Setup menu to initiate
a zero calibration.
19.5 Purging
The RM module features an automatic and manual purge function which provides a flush of room
air to keep the sensor tubing free from water condensation and patient secretions.
19.5.1 Automatic Purging
An automatic purging is performed during measurement at the intervals varying with different
types of sensors. In adult mode, the system purges the sensor tubing every 10 minutes, while in
neonatal or pediatric mode; the purge cycle will be at every 3 minutes.
19.5.2 Manual Purging
A manual purging may be required when water condensation is accumulated in the sensor tubing
or the flow wave is abnormal. To perform a manual purging, select
Purge on the RM Setup
menu to initiate a purge cycle.
19.6 Gas Compensation
The proportions of anesthetic gases in the airway will influence the flow measurement; thus, gas
compensation is required for correcting the calculation. Gas compensation can be finished by
To ventilator
To patient
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