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Trace Oxygen Analyzer Operation
Teledyne Analytical Instruments 47
This menu allows the operator to set the time the analyzer should
be held in the span mode, after the readings of the analyzer settle. Five
minutes is the default, but it could be adjusted anywhere from 1 to 60
minutes by using the UP or DOWN keys.
Press Enter to move to the next screen.
Span Val: 000008.00
<ENT>Span <UP>Mod #
Use the ▲/▼ arrow keys to enter the oxygen-concentration mode.
Use the ◄►arrow keys to blink the digit you are going to modify. Use
the ▲/▼ arrow keys again to change the value of the selected digit.
When you have finished typing in the concentration of the span gas you
are using (209000.00 if you are using air), press Enter to begin the Span
calibration.
#### ppm Span
Slope=#### ppm/s
The beginning span value is shown in the upper left corner of the
display. As the span reading settles, the screen displays and updates
information on Slope. Spanning automatically ends when the span
output corresponds, within tolerance, to the value of the span gas
concentration. Then the instrument automatically returns to the analyze
mode.
4.4.2.2 MANUAL MODE SPANNING
Press Span to start the Span function. The screen that appears
allows you to select whether the span calibration is to be performed
automatically or manually.
Span: Settling:MAN
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