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DC-ITD-FTIR-MAN01
www.dodtec.com
FEB 2020
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FTIR Manual
5.2.2 Concentration
Figure 5.4
Pressing the Concentration tab at the top of the Analysis screen will display the Concentration Log screen
(figure 5.4), allowing you to view the history of gas concentrations logged at any specific point. Change which
point’s history you vi
ew by pressing the + or
–
buttons on the right side of the screen. Select any day on the
calendar to view the concentrations logged for the specific day.
This screen allows quick evaluation of the day’s trends for all the gases on a specific point. Gases
can be
added and removed by checking and unchecking the box next to each gas. The point can also be changed by
changing point indicated on the upper right-hand side of the screen. To return to the main analysis screen,
select close. The DOD64-FTIR will remain in the analysis mode while viewing this screen and the
concentration log can also be accessed from the Setup > History menu.
5.2.3 Spectra
Pressing the Spectra tab at the top of the analysis screen will bring you to the spectra viewer (fig 5.5). From
here you can view the individual spectra captured at a specific time and date. The box in the lower right
corner of this screen will display the concentrations calculated for each gas from the selected scan the + and
–
buttons can be used to zoom in on the spectra. Spectra files are saved in .lab format which can be viewed
here, or via an optional DOD spectra viewer. This screen can also be accessed from the Setup > History menu.
