x Series 3080 Electrostatic Classifiers
CHAPTER 3 Controls, Indicators, and Connectors ............................. 3-1
Front Panel ......................................................................................... 3-1
Aerosol Inlet ..................................................................................... 3-2
Indicators ......................................................................................... 3-3
Neutralizer Chamber ....................................................................... 3-3
Back Panel .......................................................................................... 3-3
AC Power Connector ....................................................................... 3-3
DC Power Input ............................................................................... 3-3
Serial Port ........................................................................................ 3-4
DC Power Out ................................................................................. 3-5
Analog Input .................................................................................... 3-5
Side Panel ........................................................................................... 3-5
Polydisperse Flow Fitting................................................................. 3-5
Exhaust Flow Fitting ........................................................................ 3-6
Bypass Flow Fittings ........................................................................ 3-6
Excess Flow Fitting .......................................................................... 3-6
Sheath Flow Fitting .......................................................................... 3-6
Impactor High/Low ........................................................................... 3-7
High Voltage Out for DMA Only ...................................................... 3-7
Internal Components ........................................................................... 3-7
System Description ............................................................................. 3-8
Impactor ........................................................................................... 3-9
Sheath Flow Controller .................................................................... 3-9
Bypass Flow Controller .................................................................... 3-9
Neutralizer ....................................................................................... 3-9
High-Voltage Controller ................................................................. 3-10
CHAPTER 4 DMAs: Using Different Models with the
Classifier ............................................................................................... 4-1
Model 3081 Long DMA ....................................................................... 4-1
Model 3085 Nano DMA....................................................................... 4-3
CHAPTER 5 Operating the Classifier .................................................... 5-1
Display and Menus ............................................................................. 5-1
Menu ................................................................................................ 5-2
Sheath Flow Rate ............................................................................ 5-5
DMA-Voltage ................................................................................... 5-6
Particle Diameter ............................................................................. 5-6
Multifunction Pane ........................................................................... 5-6
Impactor .............................................................................................. 5-7
Sheath Air Flow Controller .................................................................. 5-7
Neutralizer ........................................................................................... 5-8
High-
Voltage Controller................................
....................................... 5-9
Differential Mobility Analyzer .............................................................. 5-9
CHAPTER 6 Maintenance and Service .................................................. 6-1
Periodic Maintenance ......................................................................... 6-1
Cleaning the Impactor ......................................................................... 6-2
Cleaning the Long DMA Electrodes .................................................... 6-3
Cleaning the Long DMA Dacron Screen ............................................. 6-5
Cleaning the Nano DMA Electrodes ................................................... 6-6