EAGLE 2 Operator’s Manual
TC Calibration • 191
24. When you make your selection and press the desired button, the unit returns to the
Calibration Gas Values Screen.
25. Press and release the POWER ENTER RESET button to proceed to the Calibration In
Process Screen 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 Cal Gas Values Screen.
If you do want to continue with the calibration, proceed to the next step.
26. Connect the tubing from the demand flow regulator to the rigid tube on the probe.
Allow the EAGLE 2 to draw gas for one minute.
27. Press and release the POWER ENTER RESET button to set the span adjustment for
each channel to the programmed values.
28. If all channels passed calibration, the following screen sequence occurs.
If any of the sensors cannot be adjusted to the proper value, a screen displays that
indicates a calibration failure and lists the sensor(s) that failed to calibrate. In the
example below, the oxygen and H
2
S channels failed calibration. The other sensors
calibrated normally.
CAL GAS VALUES
CH4 50 %LEL
OXY 12.0 vol%
H2S 25.0 ppm
CO 50 ppm
ENTER TO BEGIN CAL
CAL IN PROCESS
CH4 0 %LEL
OXY 20.9 vol%
H2S 0.0 ppm
CO 0 ppm
ENTER WHEN DONE
AUTO CALIBRATION
DONE
REMOVE GAS
AUTO CALIBRATION
END
CAL GAS VALUE
CH4 50.0 %vol.
ENTER TO BEGIN CAL
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