Figure 89. Factory Calibration (a – b)
13.4 CO2 Zero Reset
LEO allows adjusting the zero of the CO2 sensor using the CO2 Zero Reset procedure.
The first CO2 Zero Reset procedure is performed at our factory. To improve LEO reading accuracy the CO2
Zero Reset should be repeated every thirty days. LEO will remind you every thirty days to perform the CO2 Zero
Rest before the CO2/O2 User Calibration and before a CO2 single or logging measurement (see Figure 90 b).
Figure 90. LEO warning messages suggesting the CO2 Zero Reset (a - b).
Note ►After thirty days from the last CO2 Zero Reset, you must perform the CO2 Zero Rest before the CO2/O2
User Calibration.
Note ►After thirty days from the last CO2 Zero Reset, repeating the CO2 Zero Reset is highly recommended
but not mandatory before a gas measurement.
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