262 • Infrared Hydrocarbon Calibration EAGLE 2 Operator’s Manual
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.
The buzzer and alarm LEDs activate in a double pulsing pattern. Press and
release the POWER ENTER RESET button to reset the alarm and continue to
the Calibration Value Screen for the infrared hydrocarbon channel. After
calibrating the infrared hydrocarbon channel by following the instructions
below, attempt to calibrate the standard channels again. If the failure
continues, investigate the cause. See “Troubleshooting” on page 70.
29. Remove the tubing from the rigid tube on the probe.
30. Unscrew the 4-gas cylinder from the demand flow regulator.
AUTO CALIBRATION
DONE
REMOVE GAS
AUTO CALIBRATION
END
CAL GAS VALUE
HC 50 %LEL
ENTER TO BEGIN CAL
FAIL SENSOR
< > <OXY>
<H2S> < >
ENTER TO CONTINUE
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