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1
INTRODUCTION
The SKC DPS System is a compact, portable, ba
tt
ery-operated, and cost-e
ff
ective
particulate sampling system that ensures the ability to monitor particulate ma
tt
er
(PM) in indoor and outdoor environments and in urban, industrial, or rural se
tt
ings.
The system features the fully programmable constant
fl
ow Leland Legacy
®
Sample
Pump, the IMPACT Sampler, and other equipment needed for e
ff
ective ambient
PM10 or PM2.5 sampling. All components are packaged in an easily carried heavy-
duty Pelican
®
case from which the system operates.
See Figure 1.
The heart of the DPS System is the patented* IMPACT Sampler. This inertial impactor
is designed to remove particles larger than a speci
fi
c cut-point (2.5
μ
m or 10
μ
m) by
capturing them on a disposable oiled impaction disc that reduces particle bounce.
Particles smaller than the cut-point are collected on a 47-mm
fi
lter. The IMPACT
Sampler mounts easily and makes media changes fast and simple with its convenient
removable
fi
lter casse
tt
e and opener.
*
U.S. Patent No. 7,334,453
The SKC DPS System includes a Leland Legacy
Sample Pump with connection case
and charger (100-240 V), IMPACT sampling head, 2
fi
lter casse
tt
es, calibration adapter,
rain cover for sampling head, 25 disposable impaction discs,
fi
lter casse
tt
e opener, tubing
with quick-connect
fi
tt
ing, and mounting bracket in a heavy-duty lockable carry case.
Two external ba
tt
ery assemblies with adapters are packaged separately.
Calibration tubing
Mounting
bracket
Rain cover
Additional
fi
lter
cassette
Leland Legacy
pump with
connection case
and cable
Tubing with
quick-connect
fi
tting
Quick-connect
release
Cassette
opener
Quick-connect
fi
tting
External battery
assemblies with
battery adapters (2)
World-wide plugs
for charger
Calibration adapter
Impaction discs
(25)
IMPACT sampler
with
fi
lter cassette
Charging unit and
power supply
Figure 1.
DPS System