RKI Instruments Eagle 1 Manual - Manual (Page 51)

Eagle Instruction Manual Calibration • 44
concentrations do not match, continue with step 3.
3. To adjust the values on the screen, hold down the SHIFT/▼
button, and press the DISP/ADJ button. The Auto Calibration
screen for the combustible gas channel displays.
4. Use the AIR/▲ (increase) and SHIFT/▼ (decrease) buttons to set
the correct combustible gas value.
5. Press the POWER/ENTER button to enter the new setting. The
Auto Calibration screen for the next channel displays.
6. Repeat steps 4 and 5 to set the correct values for the remaining
channels and return to the Calibration Values screen.
NOTE: The RKI Four Gas Cylinder contains approximately 12% O
2
by volume. Be sure to set the “OXY” reading to agree with the
concentration listed on the cylinder’s label, not zero.
7. With the Calibration Values screen displayed, press the
POWER/ENTER button. The gas readings flash.
8. Connect the tubing from the regulator to the Eagle’s probe.Wait
approximately 1 minute or until the readings stabilize.
9. Press the POWER/ENTER button to set the calibration to the
programmed values.
If a sensor(s) cannot calibrate to the proper value, FAIL PUSH AIR
KEY displays and the Eagle lists the sensor(s) that failed to
calibrate. (The other sensors calibrate normally.) The buzzer and
alarm lights activate. Press the AIR/▼ button to reset the alarm
and return to the Calibration menu. Replace the failed sensor(s),
then repeat calibration.
10. AUTO CALIBRATION END displays, then the Calibration menu
displays.
11. Disconnect the tubing from the probe.
12. Unscrew the regulator from the calibration cylinder.
13. Press the SHIFT/▼ button to place the prompt next to the
NORMAL OPERATION menu option, then press the
POWER/ENTER button to return to the normal screen.
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