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A-9
Percent Oxygen Analyzer Appendix
Teledyne Analytical Instruments
to toggle between AUTO and MAN zero settling. Stop when MAN appears,
blinking, on the display.
Zero: Settling: Man
<ENT> To Begin
Press
Enter
to begin the zero calibration. After a few seconds the first
of five zeroing screens appears. The number in the upper left hand corner is
the first-stage zero offset. The microprocessor samples the output at a prede-
termined rate. It calculates the differences between successive samplings and
displays the rate of change as Slope= a value in parts per million per second
(ppm/s).
#### % Zero
Slope=#### ppm/s
NOTE: It takes several seconds for the true
SlopeSlope
SlopeSlope
Slope value to display. Wait about
10 seconds. Then, wait until
SlopeSlope
SlopeSlope
Slope is sufficiently close to zero before
pressing
Enter
to finish zeroing .
Generally, you have a good zero when Slope is less than 0.05 ppm/s
for about 30 seconds. When Slope is close enough to zero, press
Enter
. In a
few seconds, the screen will update.
Once span settling completes, the information is stored in the
microprocessor, and the instrument automatically returns to the
Analyze
mode.
NOTE: The MSDS on this material is available upon request
through the Teledyne Environmental, Health and
Safety Coordinator. Contact at (626) 934-1592