vii
Safety
This section gives instructions to promote safe and proper handling of the
AeroTrak
®
Remote Airborne Particle Counters.
I M P O R T A N T
There are no user-serviceable parts inside the instrument. Refer all repair
and maintenance to a qualified factory-authorized technician.
Laser S a f ety
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.
The use of controls, adjustments, or procedures other than those
specified in this manual may result in exposure to hazardous optical
radiation.