Contents xiii
3-2 CPC Back Panel..................................................................3-8
3-3 Saturator: (a) Front of Counter; (b) End Plate With
Four Screws ..................................................................3-13
3-4 Saturator: (a) Front of Counter; (b) Wick; (c) Fill Sensor
Connector; (d) End-Plate (Removed); (e) Inlet Flow;
(f) Fluid Line ..................................................................3-14
4-1 Location of PC Boards and Potentiometers .........................4-1
4-2 Setting the Configuration Switch to Enable the
Configuration Mode .........................................................4-2
5-1 Drawing of the CPC Sensor.................................................5-6
5-2 Flow Schematic of the CPC .................................................5-8
6-1 Typical Digital Pulse Trace From the Photodetector ............6-2
7-1 Calibration of the Condensation Particle Counter ...............7-1
7-2 Dilution Bridge Used for High-Concentration Particles........7-2
8-1 Connector Pin Designations................................................8-1
9-1 Locating the Filter Plug on the Bottom of the CPC:
(a) Power Supply PC Board; (b) Filter Plug;
(c) Front Panel .................................................................9-2
9-2 Replacing the Filter Tube: (a) Filter.....................................9-3
9-3 Checking for Leaks With a Vacuum ....................................9-5
9-4 Checking for Leaks With Compressed Air ...........................9-6
9-5 Model 3022A CPC Screw Locations.....................................9-8
9-6 EPROM Location on the Model 3022A CPC Display
Board ..............................................................................9-8
10-1 CPC, Diffusion, Battery and Switching Valve System
for Measuring the Size Distribution of Aerosols Below
0.2 Micrometer in Diameter...........................................10-3
10-2 Schematic of the DMPS/CPC in the Underpressure
Mode .............................................................................10-4
Tables
2-1 Model 3022A CPC Packing List...........................................2-1
6-1 Coincidence Correction for Concentrations up to
1000 Particles/cm
3
.........................................................6-3
8-1 Signal Connections for RS-232 Configurations ...................8-2
8-2 Computer Commands.........................................................8-3
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