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Chapter 5 Analysis
Caution: If ENTER is pressed to skip the purge cycle, a message is displayed citing the
need to completely fill the cell. If the purge cycle is skipped, an error flag, "P", appears
next to the displayed data. Any logged data is also flagged with a "P" for insufficient
purge. This indicates that the sample fill cycle has been overridden and that the cell may
not have been completely filled with sample. The first few displayed data points may be
lower than expected. However, after the application's purge time has expired (typically
60 seconds), the analyzer should be displaying the concentration of the external sample
and the error flag is erased.
┌────────────────────────────────────────┐
│▐█CURRENT█CONCENTRATION█▌ ANALYSIS MENU │
││
││
││
0.00
││ METHANE:
││
││
│▐███████LOCATION████████▌
└────────────────────────────────────────┘
TO BEGIN ANALYSIS
If the user chooses not to rezero the analyzer, or when the rezero procedure has been
completed, the display presents the Analysis Menu (see Analysis menu, above). The
active measurement is displayed on the left and the menu of selections on the right.
Note: The black bands above and below the left portion of the screen indicate that the
analyzer is actively making measurements.
In addition to reading Current Concentration, the user can view data of the following on
the left side of the display by using the up or down arrow key if so configured (see
Chapter 7, "View Enable").
Absorbance
Average Concentration
Maximum Concentration
Maximum Concentration Time
Minimum Concentration
Minimum Concentration Time
STEL Concentration
STEL Maximum Concentration
STEL Maximum Concentration Time
Intensity
│
1=Log
│
2=Zero
│3=Location menu│
ppm │4=Prev
│5=Next
│
Analysis Menu
5-4
The heavy bands above and below
│
the left portion of the display
│
indicate that the analyzer is actively
taking measurements.
│
│
Note: Location and selections 3, 4,
│
│
and 5 do not appear unless the
location mode is enabled.
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