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Instruction Manual
IM-106-880C, OI
September 2009
Hazardous Area OCX 8800
5-6
8. From the SELECT ACTION screen, select START CAL/STEP CAL to
continue calibration, select ABORT CAL to abort calibration or EXIT
CAL to exit calibration. Select one item from the list and press ENTER.
OCX: TAG NAME
SELECT ACTION
1. START CAL/STEP CAL
2. ABORT CAL
3. EXIT CAL
9. When the Calibration Status is at the AppO2Low step, switch on O
2
Low Gas. Verify the O
2
concentration measured matches the O2 LOW
GAS parameter in the Setup. Press OK when ready.
10. Select START CAL/STEP CAL to start applying the O
2
Low Gas. The
time to apply the test gas is specified by the Gas Time.
11. The Calibration Status should be automatically changed to FlowO2Low
and then ReadO2Low for a period of time. During this period, if an
attempt is made to go to the next calibration step by pressing OK and
selecting START CAL/STEP CAL, you will be prompted with Operator
step command is not accepted at this time.
12. When ready, Calibration Status will stop at the AppO2Hi. Switch off the
O
2
Low Gas and switch on the O
2
High Gas. Verify the O
2
concentration
measured matches the O2 HIGH GAS parameter in the Setup. Press
OK when ready.
13. Select START CAL/STEP CAL to start applying the O
2
High Gas. The
time to apply the test gas is specified by the Gas Time.
14. The Calibration Status should be automatically changed to FlowO2Hi
and then ReadO2Hi for a period of time. During this period, if an attempt
is made to go the next calibration step by pressing OK and selecting
START CAL/STEP CAL, you will be prompted with Operator step
command is not accepted at this time.
15. When ready, Calibration Status will stop at STOP GAS. Switch off the
O
2
High Gas. Press OK when ready. Select START CAL/STEP CAL to
start purging gas. The time to purge gas is specified by the Purge Time.
16. When the Purge step is complete, the Calibration Status will be at IDLE.
A Calibration Failed alarm will be set if the calibration has failed.
17. When calibration is complete. Select Exit Cal to exit the calibration
method.