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Calibration
December 2022
5. From the OCX Calibration screen, select Calibrate O
6. Remove the device from any automatic control loops to avoid a potentially
7. Set the Select Action screen to the following values/settings. From the
8. Set the Calibration screen to the following values/settings; press OK to
9. When the calibration status is at the Apply O
10. Select Next Calibration Step and press OK to start applying the test gas.
11. Switch off the O
96
calibration, select Calibrate Combustibles Sensor for COe calibration, or
select Calibrate Both Sensors if you want to calibrate both sensors.
On the Calibration screen, a Loop should be removed from automatic
warning appears.
control
dangerous operating condition and press OK.
Select Action screen, select Update Display to refresh the calibration status,
select Next Calibration Step to continue calibration, select Abort Calibration
to abort calibration, or select Exit to exit calibration. Select one item from
the list and press OK.
The Select Action screen is static and data will not be automatically
refreshed.
•
Calibration Step: Idle
•
Step Time Remaining: 0 seconds
•
O2 Value: 0.40 %
•
Combustibles Value: 1000 ppm
—
Update Display
—
Next Calibration Step
—
Abort Calibration/Exit
continue.
The Calibration screen should automatically refresh, however it may take a
while for the data to refresh.
•
Calibration Step: Apply O
•
Step Time Remaining: 0 seconds
•
O2 Value: 0.40 %
•
Combustibles Value: 1000 ppm
•
Press Next for Selection
step, switch on O
Low Gas/COe Low Gas. Verify the O
2
measured matches the O
samples reference air as the COe Low Gas. Press OK when ready.
The time to apply the test gas is specified by the Gas Time.
The calibration step will change to Flow O
and then Read O
Low Gas/Read Comb Low Gas for a period of time. When
2
ready, Calibration Step will stop at the Apply O
Gas.
low gas/sample reference air and switch on the O
2
gas/combustibles test gas. Verify the O
Low Gas
2
Low Gas/Apply Comb Low Gas
2
Low Gas parameter in the setup. The unit
2
Low Gas/Flow Comb Low Gas
2
2
/COe concentration measured
2
Manual
00809-0500-4881
Sensor for O
2
2
concentration
2
High Gas/ Apply Comb High
high
2
Emerson.com/Rosemount
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