Monitoring
164 Instructions for Use Apollo SW 4.5n
Part Number: 9053586, 3rd edition
Calibration
Figure 86. Example of Calibration MessagesThe patient-gas measuring module is automatically
calibrated every time the device is started and then
regularly with ambient air, as long as the device is
switched on (see “Zeroing interval” on page 298).
During calibration, messages informing the user
about the calibration appear on the screen
(1 and 2 in Figure 86), and the measurement values
are replaced with the word CAL (3 in Figure 86).
CO2 and O2
The CO2 and O2 concentrations are side-stream
measured, thus delaying an indication of the real-
time values by approximately four seconds. The
displayed CO
2 and O2 curves are not synchronized
with the pressure and flow curves.
If apnea occurs, the display for etCO
2 is replaced by
the message apnea CO
2. The apnea time [min:sec]
is displayed instead of the measured value.
WARNING!
Risk of gas measurement failure
The presence of aerosols in the breathing
circuit should be avoided, as the displayed
agent concentrations and/or the water trap
membrane may be affected.
The presence of organic cleaning agents or
gases containing haloalkanes (e.g. CFC) will
impair the accuracy of the integrated gas
analyzer.
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