P1 Patient Monitor User’s Manual
14-3
manufacturer.
Airway Adapter Type ET Tube Diameter
Pediatric/Adult (Disposable)
＞4.0mm
Adult (Reusable)
＞4.0mm
Neonatal/Pediatric (Disposable) 4.0mm
Neonatal (Reusable) 4.0mm
3. Attaching the airway adapter to the CO
2
sensor
Before attaching the airway adapter to the CO
2
sensor, verify that the airway
adapter windows are clean and dry. Clean or replace the adapter if necessary.
Follow these steps:
1) Align the arrow on the bottom of the airway adapter with the arrow on
the bottom of the sensor.
2) Press the sensor and airway adapter together until they click.
3) Wait for the airway adapter and sensor to warm up.
The monitor will display the “Sensor Warm Up…” message while the sensor
and adapter warm to operating temperature. The message disappears when the
sensor is ready for use.
CAUTION:
The atmospheric pressure must be set to the correct value before using the
mainstream CO
2
module. Incorrect atmospheric pressure settings can result in
erroneous CO
2
readings.
Install the sensor above the adapter to avoid liquid build-up on the adapter
window. Gas concentration at high concentrations at this location can hinder
gas analysis.
To avoid dead space, place the sensor and adapter as close as possible to the
patient.
4. Perform a zero, the details refer to 14.8 Zeroing.
5. After the zero is finished, connect the air circuit as shown below.
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