Page 84
Setup Menu
UVTOCSetup and System Configuration.fm
Section 5
5.2.8.2 Span Tolerance Screen
Span tolerance is acceptable CO
2
ppm variation (±) allowable when an
autocalibration span operation is being performed.
Press the Up button. The Maint% Pri screen is displayed.
5.2.8.3 Maint % Pri Screen
This percentage value is used as a maintenance event threshold indicating
a change in analyzer performance since a primary calibration. For example,
to indicate that the peristaltic tubing on the analyzer pumps may need to be
replaced. If the current calibration differs from the primary calibration by
more than this percentage, a warning maintenance event will be identified.
Refer to section 8.3 on page 132 for a detailed discussion of maintenance
event codes.
5.2.8.4 Fault % Pri Screen
This percentage value is used as a fault event threshold, indicating change in
analyzer performance to indicate that the current calibration is too far from the
primary calibration to be acceptable, and that the TOC reading is not
necessarily correct. If the current calibration differs from the primary
calibration by more than this percentage, a fault maintenance event will be
annunciated. Refer to section 8.4 on page 135 for a detailed discussion of
fault codes.
5.2.8.5 Averaging Screen
This screen allows entry to a menu allowing the averaging to be changed.
The greater number of readings that are averaged, the smoother the plot.
Enter the passcode before accessing these settings.
The IR gas averaging screen is displayed.
Span tolerance
10 ppm
Maint % Pri
10%
Fault % Pri
15%
Averaging
IR gas
* Adaptive *
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