EAGLE 2 Operator’s Manual
Infrared CO
2
Calibration • 209
35. If you want to change the infrared CO
2
channel’s calibration gas value, follow Step
17 - Step 26 above beginning with the infrared CO
2
Calibration Gas Value Screen
below instead of the standard channel Calibration Gas Value Screen.
36. With the infrared CO
2
Calibration Gas Value Screen displayed, press and release the
POWER ENTER RESET button to proceed to the Calibration In Process Screen for
the infrared CO
2
channel with
CAL IN PROCESS
flashing.
If you do not want to proceed with the calibration, press and release the DISPLAY
ADJUST NO button to return to the infrared CO
2
Cal Gas Values Screen.
If you do want to continue with the calibration, proceed to the next step.
37. Screw the infrared CO
2
calibration cylinder onto the demand flow regulator.
38. Connect the tubing from the regulator to the rigid tube on the probe. Allow the
EAGLE 2 to draw gas for the appropriate time shown in the table below.
Table 25: IR CO
2
Sensor Calibration Times
39. Press and release the POWER ENTER RESET button to set the span adjustment for
the infrared CO
2
channel to the programmed value.
Range
Calibration Time
0-5.00 %vol
1 minute
0-10,000 ppm
90 seconds
0-60.0 %vol
90 seconds
CAL GAS VALUE
CO2 2.50 vol%
ENTER TO BEGIN CAL
CAL IN PROCESS
CO2 0.00 vol%
ENTER WHEN DONE
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