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Safety
This section provides instructions to ensure safe and proper operation and
handling of the Model 3772/3771 Condensation Particle Counter (CPC).
There are no user-serviceable parts inside the instrument. Refer all repair
and maintenance to a qualified technician. All maintenance and repair
information in this manual is included for use by a qualified technician.
Laser S a f ety
The Model 3772/3771 CPC is a Class I laser-based instrument. During
normal operation, you will not be exposed to laser radiation. However, you
must take certain precautions or you may expose yourself to hazardous
radiation in the form of intense, focused visible light. Exposure to this light
can cause blindness.
Take these precautions:
Do not remove any parts from the CPC unless you are specifically told
to do so in this manual.
Do not remove the CPC housings or covers while power is supplied to
the instrument.
W A R N I N G
The use of controls, adjustments, or procedures other than those
specified in this manual may result in exposure to hazardous optical
radiation.
Chem i c a l S afety
The Model 3772/3771 CPC uses n-butyl alcohol (butanol) as a working
fluid. Butanol is flammable. Butanol is also toxic if inhaled. Refer to a
Material Safety Data Sheet for butanol and take these precautions:
Use butanol only in a well-ventilated area. Under normal operating
conditions butanol is exhausted into the air at approximately 0.015 g
per minute.
Butanol vapor is identified by its characteristically strong odor and can
easily be detected. If you smell butanol and develop a headache, or
feel faint or nauseous, leave the area at once. Ventilate the area before
returning.
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