Percent Oxygen Analyzer Maintenance 5
5-1
Teledyne Analytical Instruments
Maintenance5.1 Routine Maintenance
Aside from normal cleaning and checking for leaks at the gas connec-
tions, routine maintenance is limited to replacing Micro-Fuel cells and
fuses, and recalibration. For recalibration, see Section 4.4 Calibration.
WARNING: SEE WARNINGS ON THE TITLE PAGE OF THIS
MANUAL.
5.2 Cell Replacement
The Micro-Fuel Cell is a sealed electrochemical transducer with no
electrolyte to change or electrodes to clean. When the cell reaches the end
of its useful life, it is replaced. The spent fuel cell should be discarded
according to local regulations. This section describes fuel cell care as well
as when and how to replace it.
5.2.1 Storing and Handling Replacement Cells
To have a replacement cell available when it is needed, TAI recom-
mends that one spare cell be purchased 4-5 months after commissioning
the 3000PA, or shortly before the end of the cell warranty period.
CAUTION: Do not stockpile cells. The warranty period starts
on the day of shipment.
The spare cell should be carefully stored in an area that is not subject
to large variations in ambient temperature (75 °F nominal) or to rough
handling.
WARNING: THE SENSOR USED IN THE MODEL 3000PA PER-
CENT OXYGEN ANALYZER USES ELECTROLYTES
WHICH CONTAIN TOXIC SUBSTANCES, MAINLY