3-8 Model 3936 Scanning Mobility Particle Sizer
TM
(SMPS
TM
) Spectrometer
Connecting the Model 3775 or 3022A CPC
Use the procedures in this subsection to connect a Model 3775 or
3022A CPC to the Classifier in underpressure or in overpressure
mode.
Model 3775 or 3022A with Nano DMA
Refer to Figure 3-5 and Figure 3-6 and the following instructions to
connect the plumbing between a Model 3080 Classifier with a
Model 3085 Nano DMA and a Model 3775 or 3022A CPC:
1. Locate the ¼-inch diameter (nominal) flexible tubing (3001903)
from the Classifier accessory kit and cut a length to 25 cm
[10 in.].
2. Locate the Flow equalizer assembly (1035989) from the SMPS
™
accessory kit and attach the straight portion of the tee to the
inlet on the front of the CPC.
3. Position the 3775 or 3022A CPC so that the flexible tubing
connects from the DMA monodisperse aerosol outlet to the tee.
Figure 3-5
Model 3775 CPC with Nano DMA
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