Photometric Analyzer | Operation /Control Unit 3 | |
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3.4.2Span Cal
The Span function on the menu is used to span calibrate the analyzer. Span calibration can be performed in either the automatic or manual mode.
Makesurethespanfluidisflowingtotheinstrument.
3.4.2.1Auto Mode Spanning
Observe all precautions in sections 3.4 and 3.4.2, above. Press Span to enter the span function. The screen that appears allows you to select whether the span calibration is to be performed automatically or manually. Use the DÑ arrow keys to toggle between AUTO and MAN span settling. Stop when AUTO appears, blinking, on the display.
Select span mode: AUTO
Press Enter to move to the next screen.
Span Val: 2Ø.ØØ % <ENT> To begin span
Use the < > arrow keys to toggle between the span concentration value and the units field (%/ppm). Use the DÑ arrow keys change the value and/ or the units, as necessary. When you have set the concentration of the span fluid you are using, press Enter to begin the Span calibration.
####.##% SO2 Slope=#.### Span
The beginning span value is shown in the upper left corner of the display. As the span reading settles, the screen displays and updates informa- tion on Slope. Spanning automatically ends when the span output corre- sponds, within tolerance, to the value of the span fluid concentration. Then the instrument automatically returns to the analyze mode.
3.4.2.2Manual 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.
Select span mode: MANUAL
Teledyne Analytical Instruments | Part I |
