1-1
C H A P T E R 1
Product Overview
This chapter contains an introduction to the Model 3772/3771
Condensation Particle Counter (CPC) and provides a brief explanation of
how the instrument operates.
Produc t D escript i o n
The Model 3772/3771 Condensation Particle Counter is a compact,
rugged, and full-featured instrument that detects airborne particles down to
10 nanometers in diameter at an aerosol flow rate of 1.0 liter per minute,
over a concentration range from 0 to 10
4
particles per cubic centimeter.
These CPCs are ideally suited for applications that do not require
measurement of high concentrations, such as basic aerosol research, filter
and air-cleaner testing, particle counter calibration, environmental
monitoring, mobile aerosol studies, particle shedding and component
testing, and atmospheric and climate studies. The Model 3772 CPC is also
compatible with TSI Scanning Mobility Particle Sizer
TM
(SMPS
TM
)
spectrometers for particle size distribution measurements.
The successor to the Model 3010, 3760A, and 3762 CPCs, the Model 3772
and 3771 CPCs offer many new features and improvements:
Fast response to rapid changes in aerosol concentration (T
95
3
seconds)
Butanol-friendly features, including anti-spill design, water-removal
system, and improved resistance to optics flooding
Removable saturator wick for easy transport and maintenance
USB and Ethernet available
Auto recovery from power failure
The Model 3772 CPC offers the following additional features:
Built-in SMPS
TM
spectrometer compatibility
Particle concentration, total counts, instrument status or user settings
shown on enhanced front panel LCD display
Built-in data logging and storage capability with removable memory
card
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