Instruction Manual
IM-106-880, Rev 1.0
January 2007
OCX 8800
6-6
5. From the
SELECT ACTION
screen, select
START/NEXT CALSTEP
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/NEXT CALSTEP
2. ABORT CAL
3. EXIT CAL
6. 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.
7. Select
Start/Next Cal Step
to start applying the O
2
Low Gas. The time
to apply the test gas is specified by the
Gas Time
.
8. 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/Next Cal Step
, you will be prompted with
Operator step
command is not accepted at this time
. The
Next Cal Step
command
is not accepted at this time.
9. 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.
10. Select
Start/Next Cal Step
to start applying the O
2
High Gas. The time
to apply the test gas is specified by the
Gas Time
.
11. 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/Next Cal Step
, you will be prompted with
Operator step
command is not accepted at this time
. The
Next Cal Step
command
is not accepted at this time.
12. When ready, Calibration Status will stop at
STOP GAS
. Switch off the
O
2
High Gas. Press
OK
when ready. Select
Start/Next Cal Step
to start
purging gas. The time to purge gas is specified by the
Purge Time
.
13. When the
Purge
step is complete, the Calibration Status will be at
IDLE
if the calibration is successful or
CAL RECOMMENDED
if the
calibration has failed. A Calibration Failed alarm will be set if the
calibration has failed.
14. When calibration is complete. Select
Exit Cal
to exit the calibration
method.
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