xii Electrostatic Classifier Model 3082 and SMPS Spectrometer Model 3938
Using Nano DMA or 1nm-DMA Bypass Flow ................................ 2-32
Connecting the DMA to the High Voltage Port .............................. 2-33
Installing the Flow Equalizer Assembly ......................................... 2-33
Upgrading Detector Firmware ....................................................... 2-35
Connecting the Classifier to the Detector ...................................... 2-35
Installing Aerosol Instrument Manager Software .......................... 2-36
Connecting the Classifier to the Computer ................................... 2-36
Powering On the Classifier ............................................................ 2-38
CHAPTER 3 Moving and Shipping the Electrostatic Classifier .......... 3-1
Preparing for Shipping ..................................................................... 3-2
CHAPTER 4 Instrument Description ..................................................... 4-1
Front Panel ......................................................................................... 4-2
Back Panel .......................................................................................... 4-3
Side Panel........................................................................................... 4-4
Internal Instrument Components ........................................................ 4-5
Main Components ............................................................................... 4-6
Aerosol Inlet/Impactor ...................................................................... 4-6
Inlet Manifold ................................................................................... 4-7
Neutralizer Housing ......................................................................... 4-7
Flag Assembly ................................................................................. 4-7
Sheath Flow Loop ............................................................................ 4-8
Circuit Boards .................................................................................. 4-8
High-Voltage Power Supply ............................................................ 4-9
DMA Lower Bracket ......................................................................... 4-9
Communication Ports ...................................................................... 4-9
Wetted Materials ............................................................................ 4-12
CHAPTER 5 Instrument Operation ........................................................ 5-1
Operating Precautions ........................................................................ 5-1
Operating the Electrostatic Classifier ................................................. 5-2
Title Bar ........................................................................................... 5-3
Operating in Classifier Mode .............................................................. 5-7
Operating in SMPS Mode ................................................................. 5-10
Title Bar ......................................................................................... 5-11
Properties Shortcut Button ............................................................ 5-11
Specifying Graph Options ............................................................. 5-11
Scan Statistics Pane ...................................................................... 5-16
Viewing Settings ............................................................................ 5-17
Using the Setup Screen .................................................................... 5-18
Viewing and Setting Properties ..................................................... 5-19
Viewing and Setting Device Options ............................................. 5-27
Logging Data ................................................................................. 5-33
Inverted Data vs. Raw Data .......................................................... 5-35
Exporting Data ............................................................................... 5-37
Performing Calibrations ................................................................. 5-39
Setting Up a Custom DMA ............................................................ 5-50
Operating in External Control Mode ................................................. 5-51
Auto Recovery Feature ..................................................................... 5-52
Shutting Off the Electrostatic Classifier ............................................ 5-53
CHAPTER 6 Maintenance, Service, and Troubleshooting .................. 6-1
Recommended Cleaning Solutions ................................................. 6-2
Cleaning the Impactor ..................................................................... 6-2
Replacing Impactor O-Rings ........................................................... 6-4