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Oil in Water Analyzer Operation 3
Part I 3-21
Teledyne Analytical Instruments
3.4.2 Span Cal
The Span function on the main menu is used to span calibrate the analyzer.
Span calibration can be performed in either the automatic or manual mode.
Make sure the span fluid is flowing to the instrument.
3.4.2.1 Auto Mode Spanning
Observe all precautions in sections 3.4 and 3.4.2, above. Enter the span
function. The screen that appears allows you to select whether the span calibra-
tion is to be performed automatically or manually. Use the UP/DOWN SWITCH
to toggle between AUTO and MAN span settling. Stop when AUTO appears,
blinking, on the display.
Select span
mode: AUTO
Enter to move to the next screen.
Span Val: 2Ø.ØØ %
<ENT> twice to start
The unit field should be blinking first (%/ppm). Use the UP/DOWN switch
to set the proper unit of the span fluid and enter. Then, use the UP/DOWN
switch to set the concentration. When you have set the concentration of the
span fluid you are using, Enter to begin the Span calibration.
####.## ppm OIL
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 information on
Slope. Spanning automatically ends when the span output corresponds, within
tolerance, to the value of the span gas concentration. Then the instrument auto-
matically returns to the analyze mode.
3.4.2.2 Manual Mode Spanning
Enter 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