11-6
11.6 CO2 Module Calibration
NOTE
Make sure that the system is Standby. If not, push the Standby key to enter
standby screen.
Prepare the following before doing the calibration:
Gas cylinder: cylinders filled with 3-7% CO2
T-shape connector
Sampling line
Follow these steps to perform CO2 calibration:
1. Check the airway and make sure that there are no occlusions or leaks. Make sure that the
CO2 module is already warmed up or started.
2. Push the Menu key. Select [Calibrate] and then [CO2]. Select [Zero] on the right side.
3. After zeroing, connect the gas cylinder to the sampling line via a T-shape connector as
shown below. Check the airway and make sure that there are no leaks.
4. Vent the sampling line to the CO2 opening the cylinder pressure relief valve.
5. Input the vented CO2 concentration in the entry box.
6. The measured CO2 concentration is displayed. After the measured CO2 concentration
becomes stable, select [Calibrate] to calibrate the CO2 module. The message [CO2 Cal.
Running] is displayed.
7. After a successful calibration, the screen shows [CO2 % Calibration Completed!].
Otherwise, the message [Calibration Failure! Please try again.] is displayed. In this
case, you need to do the calibration again.
Ventilator
Gas cylinder
Pressure relief
valve
Sampling line
Hose
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