Emerson Rosemount OCX8800A Manual page 102

Oxygen and combustibles transmitter
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Calibration
December 2022
2. To set the OOS mode, select Transducer; then select Process, followed by
3. From the Transducer screen, select Methods.
4. From the Methods screen, select OCX Calibration.
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.
102
Out of Service on the Target Mode screen.
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
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
Manual
00809-0500-4880
Sensor for O
2
2
concentration
2
Emerson.com/Rosemount

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