3-2 Model 3772/3771 Condensation Particle Counter
Aerosol Inlet
The aerosol inlet is located on the front panel. The inlet consists of a ¼”
OD tube suitable for use with common tube fittings. Permanent fittings with
metal locking ferrules should be avoided since this can deform the tube
when overtightened, leading to leaks.
Status Light
The status light indicates the working status of the CPC. It will light only
when the key performance parameters of the CPC fall within an acceptable
range. More information on the status light is provided in Chapter 4.
Particle Light
The particle light flashes each time a particle is detected. At high particle
counting levels (>10 counts per second) the light appears continuously on.
Flash Memory Card Slot
The Model 3772 CPC provides storage of particle concentration data using
a standard flash memory card. A flash memory card is included. Refer to
Using the Flash Memory Card in Chapter 4 for more on how to use the
Flash Memory Card. Technical information is also found in Chapter 7.
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