5-2 Electrostatic Classifier Model 3082 and SMPS Spectrometer Model 3938
ď‚· Do not install Swage fittings with metal ferrules on the impactor or inlet
adapter. If you do, and are unable to remove the metal ferrule, you
may need to purchase a new impactor. Use Nylon or Teflon ferrules
instead.
C a u t i o n
If you do not follow the above operating precautions, you may cause
irrevocable damage to the instrument and may receive inaccurate
measurements.
Operat i n g the Ele c t r ostat i c Cla s s i f ier
You can operate the Electrostatic Classifier in either the Classifier or SMPS
mode or you can operate it using external control. The mode you use
depends upon your requirements and hardware.
Used when you are operating the 3082 as a
particle generation source. The 3082 controls the
DMA sheath flow and voltage to output a
monodisperse aerosol. No detector is connected.
The SMPS mode option is enabled when a DMA
and detector are connected to the classifier. The
3082 controls the detector and DMA during an
SMPS spectrometer scan, shows the scan data in
a graphical format, and performs data collection
and analysis.
Notes: SMPS mode is available in firmware
versions 2.0 and above. If you have an
earlier version of firmware, download a
more recent version from the TSI website.
See section Upgrading Firmware in
Chapter 6 for download instructions.
The Model 3086 1nm-DMA is not
supported in SMPS mode. If a 1nm-DMA
is connected, this mode will not be
available.
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