TSI Instruments SIZER 3321, User Manual

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4-2 Model 3321 Aerodynamic Particle Sizer

Spectrometer
clockwise or counterclockwise until the sample time is set as desired.
Then press the control knob to lock in that time.
3.
Turn the control knob to select other commands or verify other
settings. All of the items on the menu are described in Table 4-1. When
you are finished using the menu, turn the control knob until the cursor
stops on the Exit command at the top or bottom of the menu and press
the control knob to return to the graphical display.
4.
After you exit the Menu, turn the control knob to highlight the START
button and press the control knob. The APS
™
spectrometer will
immediately begin sampling according to the parameters set on the
menu.
Figure 4-1
APS
™ Spectrometer Menu
5.
Monitor the display to verify that sampling is progressing as you
intended. You can monitor the display until the sample period ends or
go to the computer to begin a sample from there.
To inspect the sample data that has been collected for a specific
channel, turn the control knob until the cursor falls on the channel you
want to inspect. The channel’s particle diameter and concentration in
particles per centimeter
3
are displayed below the graph. Inspect other
channels in the same manner.
6.
Return to the Menu to modify the sample time or set other parameters
as necessary until you are satisfied that sampling is set up as desired.