4. Press prepared impaction disc into top of fi lter cassette.
5. Reinsert fi lter cassette in impactor.
6. Reassemble impactor.
Sampling Setup and Calibration
1. Set up sample pump. Set pump fl ow rate to 10 L/min. (See Leland Legacy Quick Guide on
page 10. For advanced programming, see Leland Legacy Operating Instructions.)
2. Screw calibration adapter onto impactor.
3. Use tubing with quick-connect to attach pump inlet to outlet of impactor. Use short tubing to
connect inlet of calibration adapter to outlet of calibrator to form a calibration train. Calibrate
pump fl ow rate with calibrator. Record fl ow rate. Reset accumulated data if required.
4. Disconnect calibrator and remove calibration adapter from impactor. Remove calibration
media and place new unexposed media in impactor.
5. Mount bracket at desired location.
6. Screw impactor onto mounting bracket.
7. Screw rain cover onto impactor.
Sampling
1. Turn on pump and record pertinent data. (Leland Legacy pump may be started manually or
automatically, see Quick Guide on page 10.)
2. Turn off pump after desired sample time has elapsed. Record pertinent information.
The SKC DPS System is a compact, portable, ba ery-operated, and cost-eff ective
particulate sampling system that ensures the ability to monitor particulate ma er
(PM) in indoor and outdoor environments and in urban, industrial, or rural se ings.
The system features the fully programmable constant fl ow Leland Legacy
Pump, the IMPACT Sampler, and other equipment needed for eff ective ambient
PM10 or PM2.5 sampling. All components are packaged in an easily carried heavyduty Pelican
®
case from which the system operates.
The heart of the DPS System is the patented* IMPACT Sampler. This inertial impactor
is designed to remove particles larger than a specifi c cut-point (2.5 μm or 10 μm) 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 e and opener.
®
Sample
* U.S. Patent No. 7,334,453
Calibration tubing
Mounting
bracket
Rain cover
Cassette
opener
Additional
fi lter
cassette
Leland Legacy
pump with
connection case
and cable
Tubing with
quick-connect fi tting
Quick-connect
release
Charging unit and
power supply
IMPACT sampler
with fi lter cassette
Impaction discs
(25)
Calibration adapter
World-wide plugs
for charger
External battery
assemblies with
battery adapters (2)
Quick-connect fi tting
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 es, calibration adapter,
rain cover for sampling head, 25 disposable impaction discs, fi lter casse e opener, tubing
with quick-connect fi ing, and mounting bracket in a heavy-duty lockable carry case.
Two external ba ery assemblies with adapters are packaged separately.
Impaction Discs: • Recommended impaction disc to reduce particle bounce:
Collection Filter: 47-mm quartz or PTFE§ with support ring
Analysis: Gravimetric and/or chemical
Tubing: 3/8-in ID reinforced fl exible PVC (supplied)
Temperature: Charging: 32 to 113 F (0 to 45 C)
Storing: -4 to 95 F (-20 to 35 C)
Operating: 32 to 113 F (0 to 45 C)
Operating Humidity: 0 to 95% non-condensing
Altitude: Do not use pump beyond 7500 ft.
RFI/EMI Shielding: CE marked
Case Dimensions: 18.5 x 14.1 x 6.9 in (47 x 36 x 18 cm)
Complete System Weight: 13 lbs (5.9 kg)
Sampling Head (Impactor)
Dimensions: 2.6 dia. X 1.8 H x 3.8 L in (7 x 5 x 10 cm)
Sampling Head (Impactor)
Weight: 0.5 lb (0.23 kg)
37-mm disposable pre-oiled porous plastic disc (supplied with
DPS System)
• For chemical analysis of larger particles:
37-mm fi lter (quartz or PTFE§)
Note: The DPS System provides data similar to data from Federal Reference Method samplers. The
DPS System is not a U.S. EPA reference or equivalent method for compliance sampling.
† DPS Systems contain Leland Legacy pumps with Li-Ion ba eries and may be subject to special
shipping regulations.
§ Back pressure on PTFE fi lters can vary within the same lot.
Use in non-explosive environments only. Not intrinsically safe
2
Page 6
PRINCIPLE OF OPERATION
A sample pump draws particle-laden air at a fl ow rate of 10 L/min through an in-
ertial impactor to separate airborne particles according to aerodynamic diameter.
Particles enter the impactor through eight nozzles on top of the sampler. The inlet
nozzles are sized to operate at a 10 L/min fl ow rate causing eight airjets to impinge
onto the impaction disc positioned below the inlet nozzles. Particles larger than
the sampler cut-point with enough inertia to cross the airstream lines impact on
the impaction disc. The airfl ow, containing smaller particles, makes a sharp turn,
passes through the openings in the top of the fi lter casse e, and follows through
to a 47-mm fi lter where the smaller particles collect.
The top of the fi lter casse e accommodates the impaction disc. For optimum impac-
tor performance, a 37-mm oiled porous plastic disc is recommended as disposable
collection substrate (supplied with system). If chemical analysis of larger particles
is desired, a 37-mm fi lter (quartz or PTFE) may be used.
Rain cover
Airfl ow
Airfl ow
Airfl ow
Airfl ow
Airfl ow
IMPACT Sampler and Leland Legacy
Sample Pump - the two main components of
the DPS System
Inlet
PTFE O-ring
Impaction disc
Filter cassette top
Collection fi lter
Stainless steel support
Filter cassette bottom
BUNA-N O-ring
Exhaust
Exploded view of IMPACT Sampler
3
Page 7
MEDIA PREPARATION
Collection Filters: Equilibrate and pre-weigh fi lters in a clean environment
according to appropriate procedures. Record the weight as the pre-sample
weight.
Impaction Disc: Ready-to-use pre-oiled disposable plastic impaction discs are included
with the system (qty. 25). Replacement pre-oiled plastic discs are available as SKC
Cat. Nos. 225-395 (qty. 25) and 225-395A (qty. 50). Using an oiled impaction disc
reduces particle bounce.
37-mm fi lters (quartz or PTFE) may be used if chemical analysis of larger par-
ticles is desired.
IMPACTOR PREPARATION
Cleaning
For optimum performance, the IMPACT Sampler inlet, exhaust, and fi lter cas-
se e should be cleaned a er fi ve runs or upon a noticeable buildup of material.
This will remove oil buildup from the top of the fi lter casse e and other residue
built up from frequent sampling. Disassemble the impactor and wash parts in
water with a liquid detergent or soap. Rinse and air dry all parts thoroughly in a
clean environment.
Do not place any mechanical object in the inlet nozzles.
O-ring Care
Visually inspect the condition of the BUNA-N exhaust O-ring (see illustration on
page 3 for location). Ensure the O-ring surface is smooth (i.e., without cracks, cuts,
or other damage). Ensure the O-ring is fi ed properly in its channel. Replace the
exhaust O-ring if there is apparent damage, stretching, or thinning. It is recommended that the PTFE inlet O-ring be replaced by the manufacturer only.
4
Page 8
Inserting a Collection Filter into the IMPACT Sampler
1
7
The IMPACT Sampler will arrive already assembled. Disassemble it to insert
collection fi lter.
Unscrew the inlet from the exhaust.Remove the fi lter casse e.
3a. Use the fi lter casse e opener
to open the fi lter casse e.
3b. Slide the fi lter casse e horizon-
tally into the “U” of the opener
until the two halves of the casse e loosen. Gently pull halves
apart.
Using forceps, place a preweighed
47-mm fi lter on the support screen.
Reinsert the casse e into the impactor.
Ensure the stainless steel support
screen is in place in the bo om of the
fi lter casse e.
Press the fi lter casse e top into the
fi lter casse e bo om.
Technical Tidbit
• Use forceps to carefully
insert and remove the
collection filter. See
Accessories for forceps.
5
Page 9
Inserting an Impaction Disc into the IMPACT Sampler
1
For PM2.5 or PM10 sampling, insert an impaction disc only a er a collection fi lter has been loaded into the fi lter casse e.
For PM2.5 or PM10,
ensure a collection filter
has been loaded into the
fi lter casse e (see Inserting
a Collection Filter into the
IMPACT Sampler).
Place the impaction disc in the recessed area
on the fi lter casse e top. The rough side of the
impaction disc should face up. SKC-supplied discs
are stamped with “UP” on the appropriate side.
Keep the sampler upright until the inlet
is securely screwed onto the exhaust to
prevent the impaction disc from being
dislodged.
Place the fi lter casse e on the exhaust and screw
the impactor inlet and exhaust together just until
tight. Further hand-tighten by 1/4 turn only.
Do not overtighten the impactor inlet and
exhaust. Do not use the barbed fi ing as
leverage when tightening.
Technical Tidbits
• Install the rain cover (included with the DPS System) on the inlet of the
IMPACT Sampler when sampling outdoors.
• SKC recommends using a new impaction disc for each sample.
6
Page 10
SAMPLE PUMP OPERATION
1
The user may choose to operate the pump manually in the
fi eld (on/off ), program a schedule into the pump manually,
or program the pump for multiple schedules from a PC with
optional DataTrac
Information, Accessories).
See page 10 for a Quick Guide for operating the SKC Leland
Legacy Sample Pump. For advanced programming, see the
complete Leland Legacy Pump Operating Instructions.
Charging the Battery
Completely charge a new ba ery pack using the SKC-approved charger (Cat. No.
223-241) before operating the pump. It may be necessary to charge the ba ery a
few times before maximum ba ery capacity is achieved.
Cautions:
• Do not charge or operate the pump with or without a charger in hazardous
locations.
• Use only the SKC-approved charger for this pump. Use of an unapproved
charger may damage the ba ery and pump.
• Use of a non-approved charger voids any warranty.
• Do not open, disassemble, short circuit, crush, incinerate, or expose the
ba ery to fi re or high temperatures.
• Tampering with the ba ery pack voids any warranty.
• Ensure proper orientation of charging cable before plugging it into the
charging jack. Improper orientation/contact will short-circuit the ba ery
and voids any warranty.
• Short-circuiting the ba ery pack will render it immediately inoperative.
• Failure to follow warnings and cautions voids any warranty.
®
for Leland Legacy So ware (see Ordering
The ba ery pack may be kept on the SKC-approved charger for an
indefi nite time.
Battery
1. Insert the plug from the charging unit into the
charging port on the ba ery adapter (on top of
the external ba ery assembly).
2. Insert the plug from the power supply into the
jack on the charging unit.
adapter
External
battery
assembly
Charging
unit plug
3. Install the appropriate wall plug on the power
supply and plug the power supply into a power
outlet.
The ba ery will recharge in approximately 15
Power
supply
Charging
unit
External
battery
assembly
hours. For a complete charge, do not run the pump
connected to the external ba ery assembly during
7
Page 11
charging. A er charging is complete, disconnect the ba ery from the charger and
1
connect the pump to the ba ery (see Ba ery Setup).
A er charging the ba ery pack, it is good practice to run the pump for
approximately 5 minutes before calibrating. This ensures the ba ery is in
more steady-state conditions and improves the agreement in pre and postsampling calibrations.
Reading the Charging Status LED
Power supply jack
The Li-Ion Charging Unit indicates ba ery charge
status via an LED on the unit that blinks in specifi c
pa erns. Observe the LED steadily for > 5 seconds to
read charge status.
LED ActionCharge Status
ON
2 sec
OFF
2 sec
OFF
.25 sec
ON
.25 sec
ON
steady
ON
(Repeats)Approximately
2 sec
OFF
(Repeats)Charge completed
2 sec
Charge in progress
80% charged
Charge status LED
For more information on SKC pump batteries, go to http://www.skcinc.
com/instructions/1756.pdf.
External battery
Battery Setup
1. Insert the plug on the connecting cable from the
pump into the jack on the ba ery adapter (on top
of the external ba ery assembly).
assembly
Battery adapter
2. Insert the external ba ery assembly into a foam
compartment in the case. Ensure there is no
tension on the connecting cable.
Connecting cable
External battery
assembly
Connecting cable
8
Page 12
Battery Replacement
1. Record all necessary data before unplugging the pump from the ba ery.
2. Remove the plug on the connecting cable from the jack on the ba ery adapter
(on top of the external ba ery assembly).
3. Insert the plug on the connecting cable into the ba ery adapter jack on a new,
fully charged external ba ery assembly.
4. Insert the external ba ery assembly into the foam compartment in the case.
Ensure there is no tension on the connecting cable.
9
Page 13
Leland Legacy Quick Guide
Terms »
Star button
• Scrolls through run time data and Setup options
Up and down arrow buttons
• Toggle between display choices and increase or decrease sampling parameters in Setup
• Prevents unauthorized changes to the pump’s sampling program
Programming Sequences »
• To activate pump (e.g., to change pump from Sleep to Hold):
Press any button.
• To change pump from Hold to Run or Run to Hold:
Press [].
• To reset accumulated data:
Press [], then . Press until CLr displays then press []; press until End displays
then press [].
• To set pump fl ow rate:
Press [], then . Flow rate and SET fl ash. Press or to change fl ow rate. Press until
End appears then press [] to save setting and place pump in Hold.
• To calibrate fl ow rate with standard calibrator:
Press [], then . Flow rate and SET fl ash. Press or to change fl ow rate. Press once.
ADJ displays. Press or until desired fl ow rate is indicated on calibrator. When fi nished, press until
End displays then press [] to save new setting and place pump in Hold. For CalChek Calibration, see
operating instructions.
• To change temperature scale from F to C or C to F:
Press [], then . Press until temperature displays. Press or to switch units; press
until End displays then press [] to save new setting.
• To change atmospheric pressure scale (mm, mb, In):
Press [], then . Press until pressure displays then press or to switch units; press
until End displays then press [] to save new setting.
• To change time scale (12 Hr/24 Hr/Dela):
Press [], then . Press until 12 Hr, 24 Hr, or Dela displays then press or to switch
units; press until End displays then press [] to save new setting. To set delayed start (Dela), see
operating instructions.
• To change clock:
Press [], then . Press until clock displays then press or to change fl ashing hour; press
to move to minutes and or to change setting. Press until End displays then press [] to save
new setting.
• To change the sampling time function:
Press [], then . Press until ST L/min displays then press to change fl ashing digit; press
until End displays then press [] to save new setting. To delete, follow above steps and press until
0 appears. Exit Setup.
Note: When in Setup, choosing Esc instead of End will exit Setup without saving new settings.
SKC Inc., 863 Valley View Road, Eighty Four, PA 15330 • www.skcinc.com
10
Page 14
CALIBRATION AND SAMPLING
1
Calibration
Calibrate pump fl ow rate with the IMPACT Sampler in line (loaded with
representative fi lter and impaction disc). See pump and calibrator operating
instructions.
Set the pump fl ow rate to 10 L/min (see Leland Legacy
Quick Guide on page 10). Ensure the pump has run for
5 minutes before proceeding with calibration. Ensure the
rain cover is removed from the inlet and that the impactor
is loaded with representative media and fully assembled (see
Inserting a Collection Filter into the IMPACT Sampler and
Inserting an Impaction Disc into the IMPACT Sampler).
Screw the calibration adapter onto
the impactor inlet.
Inlet line
to pump
Inlet
Quick-
connect
plug
Unscrew the quick-connect plug. Use tubing with a quick-connect fi ing to
a ach the case (pump) inlet to the outlet of impactor.
Ensure O-ring is installed on the quick-connect fi ing before
inserting it into the inlet. Absence of the O-ring can aff ect
measurements.
Quick-
connect
fi tting on
tubing
Use a short length of calibration tubing to connect the inlet of the
calibration adapter to the outlet of a calibrator to form a calibration train.
Inlet to
pump
IMPACT outlet
Calibrate pump fl ow rate with a calibrator. Adjust the
fl ow rate until the calibrator displays 10 L/min (see Leland
Legacy Quick Guide on page 10). Record the fl ow rate.
Reset the accumulated data before sampling. See pump and
calibrator operating instructions.
Calibrator
outlet
Calibration
adapter
When calibration is completed,
disconnect the calibrator and tubing
from the calibration adapter. Remove
the calibration adapter from the
impactor. Remove the representative
media and replace with fresh media
for sampling.
11
Page 15
Sampling
347
1. Replace the representative sample media used for calibration with new, preweighed media (see Media Preparation and Impactor Preparation).
2. Mount the bracket at the desired location and at breathing zone height (6 feet or 2 meters) using wire ties or
other fasteners. Mount the impactor on the mounting
bracket by threading the clamp knob into the bo om of
the impactor.
3. Insert the screw on the rain cover into the screw hole in
top of the impactor inlet and rotate the cover until tight.
4. Turn on the pump and record sample start time, ambient
temperature, ambient pressure, and other pertinent data.
Sample start time and duration can be programmed
into the Leland Legacy Sample Pump in advance and
sampling may be started manually or automatically.
Record all necessary data before disconnecting the
pump from the ba ery and reconnecting to the new
ba ery.
5. A er desired sample time has elapsed, turn off the pump and record the
sample stop time, total volume, ambient temperature, ambient pressure, and
other pertinent data.
6. Remove the rain cover, reinstate the calibration
train and media, and verify the fl ow rate (see Cali-bration).
7. Reach inside the case and press quick-connect
release while pulling the tubing from the inlet.
Remove tubing from the impactor.
Technical Tidbits
• The supplied rain cover should be used for all outdoor sampling.
• Keep the Leland Legacy sample pump inside the Pelican case and the
case closed during sampling to protect the sample pump from weather.
12
Quick-connect
release inside
case
Tubing with
quick-connect
fi tting
Page 16
1
SAMPLE REMOVAL, SHIPPING, AND ANALYSIS
Removing the Collection Filter and Impaction Disc
Unscrew the impactor inlet
from the exhaust.
Gently li the fi lter casse e
from the exhaust.
Use forceps to remove the collection
fi lter and place in an appropriate
container for shipping to a laboratory.
Locate the recessed area on the fi lter casse e
top and remove the impaction disc. If chemical
analysis of larger particles is desired, place
in an appropriate container for shipping
to a laboratory for analysis (see Ordering
Information, Accessories for glass jars).
4a. Use the fi lter casse e opener to separate the
two halves.
4b. Slide the fi lter casse e horizontally into the
“U” of the opener until the two halves of the
casse e loosen. Gently pull halves apart.
Shipping Samples
Package and transport samples and blanks in a manner that will prevent sample
loss and contamination. See Ordering Information, Accessories for the petri dish slide
for transporting samples.
Analysis
Gravimetric and/or chemical by an accredited laboratory
13
Page 17
ORDERING INFORMATION
DescriptionCat. No.
DPS System*
†#∞
includes a Leland Legacy Sample Pump with connection case and
charger (100-240 V), 2 external battery assemblies with adapters (packaged separately),
IMPACT sampling head, 2 fi lter cassettes, calibration adapter, rain cover for sampling
head, 25 disposable impaction discs,∆ fi lter cassette opener, tubing with quick-connect fi tting, and mounting bracket, in a heavy-duty lockable carry case
PM10 Kit100-3901
PM2.5 Kit100-3903
* Provides data similar to data from Federal Reference Method samplers. The DPS System is not a
U.S. EPA reference or equivalent method for compliance sampling.
† Quantity discounts available
# DPS Systems contain Leland Legacy pumps with Li-Ion batteries and may be subject to special
shipping regulations.
∆ Limited shelf-life
∞ Use in non-explosive environments only. Not intrinsically safe
Recommended Collection Filters for System (not supplied with system)
Select a fi lter based on your application; required for sampling
Quartz Filters, 47 mm, Tissuquartz
™
, 432 μm thick, pk/25225-1823
PTFE Filters,§‡ 47 mm, 2.0-μm pore size, with PMP support ring, pk/50 225-1747
Sampling Heads/Replacement Parts
IMPACT Sampling Head includes fi lter cassette, calibration adapter,
and rain cover for sampler; requires collection media (see above) and
impaction substrate (see below) sold separately
PM2.5
PM10
225-392
225-390
Impaction Discs for System
Select an impaction disc based on your application.
Recommended to Reduce Particle Bounce:
Replacement Pre-oiled Impaction Discs
porous plastic discs, 37 mm, ready to use, disposable, pk/25
required for sampling, limited shelf-life pk/50
225-395
225-395A
For Chemical Analysis of Larger Particles:
Quartz Filters, 37 mm, Tissuquartz, 432 μm thick, pk/25225-1822
PTFE Filters,
§ Back pressure on PTFE fi lters can vary within the same lot.
‡ Maximum operating temperature is 464 F (240 C) based on PMP support ring.
§
37 mm, 2.0 μm, laminated PTFE support, pk/50 225-27-07
Accessories
Defender Calibrator, 300 to 30,000 ml/min, includes lead-acid battery,
multi-plug charger (100-240 V), DryCal Pro Software, 39-inch (1-meter)
serial cable, and leak test caps; software requires Windows XP, Vista, or
Windows 7 and an RS-232 port or USB to RS-232 adapter717-510H
Filter Cassette225-395
Forceps, stainless steel225-8371
Petri Dish Slide, for fi lter transport, pk/100225-2-01
Glass Jars for Chemical Analysis pk/8
pk/36
225-8376
225-8377
DataTrac for Leland Legacy Software includes software on CD and USB cable877-92
Battery Connection Case with cable and plug223-249
DPS/DVS Charger Adapter223-245
DPS/DVS Charging UnitP22300
®
P54202
P54204
P3006
223-248
15
Page 19
LI-ION BATTERY SHIPMENT
Rechargeable lithium-ion ba eries for use with SKC sample pumps have been tested
in accordance with the UN Manual and are proven to meet requirements of each test
in the UN Manual of Test Criteria, Part II, subsection 38.3. They have a wa -hour (Wh)
rating below 100.
Per 2013 IATA regulations for air shipments, packaging must meet the specifi cations
of and contain labeling and documentation required by IATA Packaging Instructions
967 (UN 3481, Section II), 966 (UN 3481, Section II), and 965 (UN 3480, Sections IA
> 10 Kg G and IB 2.5 to 10 Kg G). See IATA Lithium Ba ery Guidance Document: Transport
of Lithium Metal and Lithium Ion Ba eries, Revised for the 2013 Regulations
SKC Limited Warranty and Return Policy
SKC products are subject to the SKC Limited Warranty and Return Policy, which
provides SKC’s sole liability and the buyer’s exclusive remedy. To view the complete SKC Limited Warranty and Return Policy, go to h p://www.skcinc.com/
warranty.asp.
16
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