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Instruction Manual
IM-106-880C, OI
September 2009
Hazardous Area OCX 8800
3-8
NOTE
A Purge will automatically follow a gas flow.
Performing a Calibration Verify with the Field Communicator - Fieldbus
1. Use the 375 Field Communicator or AMS software to access the
Fieldbus menu.
2. From the TRANSDUCER block menu, select METHODS.
3. Set the Mode to OOS (Out of Service) before starting the Calibration
Verify process.
4. From the METHODS menu, select OCX Cal Verify. From this menu,
select the functions as follows:
Flow High O2 Gas - Flows the high O2 test gas for the time specified in
the calibration setup.
Flow Low O2 Gas - Flows the low O2 test gas for the time specified in
the calibration setup.
Flow High COe Gas - Flows the COe test gas for the time specified in
the calibration setup.
Purge Gas - Initiates a delay for the specified purge time before
oxygen/combustibles readings are considered valid.
NOTE
A Purge will automatically follow a gas flow.
Performing a Calibration Verify with the LOI
1. Use the "Z" pattern to enter the LOI menu tree.
2. From the CALIBRATION menu, select Cal Verify.
3. From the Cal Verify menu, select the functions as follows:
Flow High Gas - Flows the high O2 test gas for the time specified in the
calibration setup.
Flow Low Gas - Flows the low O2 test gas for the time specified in the
calibration setup.
Flow COe Gas - Flows the COe test gas for the time specified in the
calibration setup.
Purge - Initiates a delay for the specified purge time before
oxygen/combustibles readings are considered valid.
NOTE
A Purge will automatically follow a gas flow.