Contents xiii
Liquid Level...................................................................... 4-14
Concentration ..................................................................4-
14
Analog Inputs...................................................................4-
14
Using the Flash Memory Card ............................................. 4-
15
Aerosol Instrument Manager
®
Software................................ 4-16
Moving and Shipping the CPC ............................................. 4-
16
CHAPTER 5 Technical Description .......................................5-
1
Theory...................................................................................5-
1
History ..................................................................................5-
2
Adiabatic Expansion CNC...................................................5-
2
Two-Flow Mixing CNC ........................................................5-
3
Diffusional Thermal CNC.................................................... 5-
3
Design of the CPC .................................................................5-
5
Sensor................................................................................ 5-
5
Flow System.......................................................................5-
7
Critical Flow.......................................................................5-
7
Counting Efficiency and Response Time of the CPC...............5-
8
CHAPTER 6 Particle Counting ..............................................6-
1
Optical Detection ..................................................................6-
1
Total Count Accuracy............................................................6-
2
Live-Time Counting ...............................................................6-
2
Photometric Calibration ........................................................6-
3
CHAPTER 7 Computer Interface and Commands...................7-
1
Computer Interface ...............................................................7-
1
USB ...................................................................................7-
1
Ethernet.............................................................................7-
1
Flash Memory Card Specification .......................................7-
4
RS-232 Serial Communications..........................................7-
5
Commands............................................................................7-
6
CHAPTER 8 Maintenance and Service...................................8-
1
Replacement Parts Kits .........................................................8-
2
Draining Butanol from the Butanol Reservoir........................8-
4
Changing the Filters..............................................................8-
5
Filter Replacement Schedule ..............................................8-
5
Exhaust Filter ....................................................................8-
6
Bypass Filter ......................................................................8-
7
Makeup Air Filter ...............................................................8-
8
Butanol Fill Filter ...............................................................8-
9
Micro-Pump Filter ............................................................8-
10
Removing and Installing the Saturator Wick........................ 8-
12
Bypass/Makeup Air Flow Adjustment .................................8-
15
Maintenance of the Critical Orifice ...................................... 8-
16
Installation of an External Vacuum Pump ........................... 8-
19
False Count Check .............................................................. 8-
20
Error Messages and Troubleshooting...................................8-
21
Calibrating and Entering New Orifice Flow Data..................8-
23
Orifice Calibration ............................................................8-
24
Technical Contacts.............................................................. 8-
25
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