Passport 12/Passport 8 Operator’s Manual 16-3
16.3.1 Making a Sidestream CO
2
Measurement
To make a sidestream CO2 measurement:
1. Attach the watertrap to the module and then connect the CO
2
components as shown below.
2. The CO
2
module needs time to warm up to reach operating temperature. The message [CO2 Sensor Warmup] is
displayed during warm-up.
3. After warm-up is finished, you can perform CO
2
measurements.
CAUTION
The watertrap collects water drops condensed in the sampling line and therefore prevents them from
entering the module. To avoid blocking the airway, empty the watertrap container whenever half full.
Dispose of accumulated fluids in accordance with hospital policy or your local regulations.
The watertrap has a filter preventing bacterium, water and secretions from entering the module. After
long-term use, dust or other substances may compromise the performance of the filter or even block the
airway. In this case, replace the watertrap. It is recommended that you replace the watertrap once a month,
or when the watertrap is found leaky, damaged or contaminated.
Do not apply adult watertrap to the neonate patient. Otherwise, patient injury could result.
NOTE
To extend the life of the watertrap and module, disconnect the watertrap and set the CO
2
module operating
mode to the Standby mode when CO
2
monitoring is not required.
Watertrap
Watertrap filter
Sampling line
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