234 • Infrared Hydrocarbon Calibration
EAGLE 2 Operator’s Manual
31. If you want to change the infrared hydrocarbon channel’s calibration gas value,
follow Step 15 - Step 24 above beginning with the infrared hydrocarbon Calibration
Gas Value Screen below instead of the standard channel Calibration Gas Value
Screen.
32. With the infrared hydrocarbon Calibration Gas Value Screen displayed, press and
release the POWER ENTER RESET button to proceed to the Calibration In Process
Screen for the infrared hydrocarbon 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 hydrocarbon Cal Gas Values Screen.
If you do want to continue with the calibration, proceed to the next step.
33. Screw the infrared hydrocarbon calibration cylinder onto the demand flow regulator.
34. Connect the tubing from the regulator to the rigid tube on the probe. Allow the
EAGLE 2 to draw gas for one minute.
35. Press and release the POWER ENTER RESET button to set the span adjustment for
the infrared hydrocarbon channel to the programmed value.
36. If the infrared hydrocarbon channel passed calibration, the following screen sequence
occurs.
CAL GAS VALUE
HC 50 %LEL
ENTER TO BEGIN CAL
CAL IN PROCESS
HC 0 %LEL
ENTER WHEN DONE
AUTO CALIBRATION
DONE
REMOVE GAS
AUTO CALIBRATION
END
CALIBRATION MODE
> AUTO CALIBRATION
SINGLE CALIBRATION
PERFORM AIR ADJUST
NORMAL OPERATION
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