3-10
Model 3090/3090AK Engine Exhaust Particle Sizer
TM
Spectrometer
5. To view the data at a
different time resolution,
select a different
averaging interval using
the drop-down style
selector on the toolbar
(see figure). Depending
on the length of the run,
you can select an
averaging interval from
.1 second to
60 minutes.
6. To select a maximum
value for the
concentration range or
have the software auto-
scale the data, use the
second drop-down style
selector on the toolbar
(see figure).
7. To display data other
than concentration in
the 2D particle
histogram graph, click
the right mouse button
in that window to display
the popup menu
(Figure 3-7). Select
Weight|Mass
. Notice
the change in how data
is displayed. Use
Weight|Number
to
change the graph to
display the number
weighting.
Figure 3-7
Popup Menu for the Histogram Window
