Product Overview 1-3
aerosol sample into the CPC. The 1.0 L/min aerosol flow rate is controlled
accurately and reliably using an internal critical orifice.
The CPCs use a laser-diode light source and diode photodetector to collect
scattered light from particles. An internal microprocessor is used for
instrument control and data processing.
Model 3772 CPC has a two-line LCD display which presents real-time
number concentration, totalizer function, and enables easy-to-use menus
for control operation functions and presents instrument status information
and user settings. A variety of communication options for computer data
acquisition are available. The 3772 CPC also includes on-board data
logging and storage using a removable flash memory card. Model 3771
has no display and no memory card.
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