vii
Safety
This section gives instructions to promote safe and proper
handling of the A
EROTRAK™ Remote Airborne Particle Counters.
IMPORTANT
There are no user-serviceable parts inside the instrument. Refer all repair
and maintenance to a qualified factory-authorized technician.
Laser Safety
The TSI AEROTRAK™ Remote Airborne Particle Counters (particle
counter) are Class I laser-based instruments. During normal
operation, you will not be exposed to laser radiation.
The following precautions should be taken to avoid exposure to
hazardous radiation in the form of intense, focused, visible light.
Exposure to this light may cause blindness.
• DO NOT remove any parts from the particle counter unless
you are specifically told to do so in this manual.
• DO NOT remove the housing or covers. There are no user-
serviceable components inside the housing.
WARNING
The use of controls, adjustments, or procedures other than those
specified in this manual may result in exposure to hazardous optical
radiation.
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