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Percent Oxygen Analyzer Maintenance 5
5-5
Teledyne Analytical Instruments
5.2.4 Installing a New Micro-Fuel Cell
CAUTION: Do not touch the sensing surface of the cell. It is
covered with a delicate Teflon membrane that can
leak if punctured. The sensor must be replaced if
the membrane is damaged.
1. Place the Cell in the Probe with the sensing surface facing
outward (toward the screen in the Cap).
2. Screw the Probe Cap onto the Probe until it stops.
3. With the O-rings in place, push the assembled Probe down into
the Cell Holder—Cap Down—with a slight rocking motion
until it is seated on the bottom of the holder. This forces the
holder into position and forms a gas-tight seal.
5.2.5 Cell Warranty
The Class B-1 Micro-Fuel cell is standard in the Model 3000PA. This
cell is warranted for 6 months from the date of shipment. Check the Spe-
cific Model Information, and note any Addendum that might be attached to
the front of this manual for special information applying to the Cell in your
instrument.
The warranty period for spare cells begins on the date of shipment.
Do not purchase more than one spare cell per instrument. Do not stockpile
spare cells.
The B-1 cell is not designed for applications where CO
2
is a major
component in the sample, however slight amounts will not adversely
effect the cell performance. Consult TAI for available options for either
intermittent or continuous CO
2
exposure.
If a cell was working satisfactorily, but ceases to function before the
warranty period expires, the customer will receive credit toward the pur-
chase of a new cell.
If you have a warranty claim, you must return the cell in question to
the factory for evaluation. If it is determined that failure is due to faulty
workmanship or material, the cell will be replaced at no cost to you.
NOTE: Evidence of damage due to tampering or mishandling will
render the cell warranty null and void.