SERVOPRO NOx Analyzers Page
MANUAL CALIBRATION
If you are calibrating multiple ranges during one session, the zero calibrations can all be
performed before any of the span calibrations, as long as they are within the same
relatively short time period. If multiple ranges are used, the calibrations are typically
done in ascending order of range. Anytime a zero calibration is performed, a span
calibration or check should be done afterward.
The analyzer has two separate manual calibration menus, one for NO or NO
x
mode and a
second menu for NO/NO
x
/NO
2
mode. The analyzer automatically chooses the menu
depending on the mode the analyzer is in at the time it enters the Manual Calibration
menu.
In NO or NO
x
mode, the analyzer has basic zero and span calibration capability in either
NO or NO
x
mode. In NO/NO
x
/NO
2
mode, the analyzer has basic zero and span capability
in NO mode and also includes the added NO
x
Correction Factor feature. See
NO
x
Correction Factors for details.
NOTE: Whether you are calibrating a single range or multiple ranges, each range
requires its own complete zero and span calibration.
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