1-1
CHAPTER 1
Product Overview
This chapter contains an introduction to the Model 3775
Condensation Particle Counter (CPC) and provides a brief
explanation of how the instrument operates.
Product Description
The Model 3775 Condensation Particle Counter (CPC) is a general-
purpose counter that can detect airborne particles down to 4
nanometers in diameter. It provides highly accurate measurements
over a wide concentration range from 0 to 10
7
particles per cubic
centimeter. As a result, this CPC is quite versatile and well suited
for a broad range of applications, including, but not limited to:
basic aerosol research, filter and air-cleaner testing, combustion
and engine exhaust research, health effects studies, inhalation and
exposure studies, atmospheric and climate studies, and
nanotechnology research. Additionally, it can be used as part of a
TSI Scanning Mobility Particle Sizer
TM
(SMPS
TM
) spectrometer to
measure particle size distribution.
The successor to the Model 3022A CPC, the Model 3775 CPC offers
many new features and improvements:
Detects particles down to 4 nanometers
Faster response to rapid changes in aerosol concentration (T
95
•
4 seconds)
Extended single particle counting up to 50,000 particles/cm
3
with continuous, live-time coincidence correction for maximum
accuracy
Smooth transition to photometric mode that goes up to 10
7
particles/cm
3
Butanol friendly features, including anti-spill design, water-
removal system, butanol odor absorber, and improved
resistance to optics flooding
Built-in data logging and storage capability with removable
memory card
Removable saturator wick for easy transport and maintenance
USB and Ethernet available
Built-in SMPS compatibility
Auto recovery from power failure
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