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248083408-1 Rev 1 2-1
2 Introduction
Overview This operating manual introduces you to the Lighthouse REMOTE
2014P, 3014P or 5014P family of Airborne Particle Counters. Included
in this manual are instructions for inspecting, using and maintaining the
instrument.
Description All members of the ’P’ family of instruments have up to six particle
channel sizes and a flow rate of 0.1CFM. The model name denotes the
starting particle size (sensitivity). The 2014P sensitivity is 0.2 microns,
the 3014P sensitivity is 0.3 microns and the 5014P sensitivity is 0.5
microns.
Figure 2-1 REMOTE 3014P Airborne Particle Counter
The instrument uses a laser diode light source and laser beam shaping
optics to illuminate a cross section of the air flow path with a laser
beam. As particles move along the flow path, they cross the laser beam
and scatter light. The light scattered is collected by an imaging optical
system onto a photodiode. The photodiode converts this light into a
current which is converted to a voltage and amplified.
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