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IMPACT Sampler
Sharp size Selection for PM10, PM2.5, or PM Coarse (10-2.5 )
Featured in the DPS System
IMPACT Sampler downloads
- Ideal for environmental PM sampling and indoor air studies
- Use with any pump at 10 L/min — Leland Legacy recommended
- Compact design
- Higher flow rate provides increased sensitivity
- Convenient operation
- Removable filter cassette for fast media changes
- Disposable ready-to-use pre-oiled impaction discs reduce particle bounce — no cleaning or greasing
- Included rain cover protects sampler during outdoor use
- Optional quick-mount bracket secures sampler virtually anywhere
The patented (U.S. Patent No. 7,334,453) SKC IMPACT single-stage inertial impactor is designed for the efficient collection of PM10, PM2.5, or PM Coarse (10-2.5 ) in ambient air. A sampling pump operating at 10 L/min draws particles through the impactor; larger particles are captured on a disposable pre-oiled impaction substrate while smaller particles collect on a 47-mm filter. IMPACT media changes are as easy as removing the filter cassette and replacing it with one already loaded with a filter and impaction disc that mounts in the top of the cassette. IMPACT’s higher flow rate requirement provides increased sensitivity to low levels of PM. For sampling efficiency data, see Modular Impactors Poster Presentation (PDF).
Impact PM Coarse Sampling
Exploded view of IMPACT PM Coarse Sampler
(O-rings not shown)
When using an IMPACT PM10 Sampler with the Coarse Ring accessory or an IMPACT
PM Coarse Sampler (see Ordering Information), particles are drawn
through a PM10 inlet. Particles > 10 µm collect on an oiled impaction
disc mounted on top of the first filter cassette. No collection filter is loaded
inside
this cassette. Smaller particles proceed through a PM2.5 impactor (coarse ring).
Particles < 10 µm and > 2.5 µm collect on a filter placed
in the impaction disc position on top of the second filter cassette. Particles < 2.5 µm
collect on the 47-mm filter inside the second filter cassette. Send filters
to a laboratory
for gravimetric and chemical analyses.
IMPACT and the Leland Legacy Sample Pump
While IMPACT can be used with any pump at 10 L/min, partnering IMPACT with the Leland Legacy pump provides a highly efficient sampling system. The quiet, fully programmable Leland Legacy pump can provide a constant 10 L/min flow rate for 24 hours making it ideal for 24-hour environmental monitoring or indoor air studies. IMPACT and the Leland Legacy Sample Pump are both included in the DPS Sampling System.
Performance Profile
Flow Rate |
10 L/min |
50% Cut-point |
2.5 µm or 10 µm (model dependent) |
Impaction Discs |
Recommended impaction disc to reduce particle
bounce: 37-mm disposable pre-oiled porous plastic disc
For chemical analysis of larger particles: 37-mm filter (quartz or PTFE) Back pressure on PTFE filters can vary within the same lot. |
Collection Filter |
47-mm filter (requires impaction substrate), select material
based on application |
Aluminum (inlet) with brass barbed fitting for 3/8-in ID tubing | |
Dimensions |
2.6 dia. x 1.8 H x 3.8 L in (7 x 5 x 10 cm) |
Weight |
0.5 lb (0.23 kg) |
Ordering Information
| IMPACT Sampler | ||
| IMPACT Sampler includes filter cassette, calibration adapter, and rain cover for sampler; requires collection media and impaction substrate sold separately; see below | ||
| IMPACT Sampler PM Coarse includes 2 filter cassettes, calibration adapter, and rain cover for sampler; requires collection media and impaction substrate sold separately; see below | ||
| Replacement Filter Cassette | ||
| PM Coarse Ring includes filter cassette, adapts IMPACT PM10 to an IMPACT PM Coarse | ||
| DPS System | ||
| DPS System includes
Leland Legacy Sample Pump with connection case, charger (100-240
V), 2 external battery assemblies (packaged
separately). IMPACT sampling head, 2 filter
cassettes, calibration adapter, rain
cover for sampling head, 25 disposable impaction discs (limited
shelf-life), filter cassette opener, tubing with quick-connect
fitting, and mounting bracket in a heavy-duty lockable carry
case. DPS Systems with pumps contain Li-Ion batteries and may be subject to special shipping regulations. 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. |
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| Recommended Collection Filters for use with Leland Legacy Sample Pump, required for each sample; select a filter based on your application | Qty. |
Cat. No. |
| Quartz Filters, 47 mm, Tissuquartz, 432 µm thick | 25 |
|
| PTFE Filters, 47 mm,
2.0-µm
pore size, with PMP support ring Back pressure on PTFE filters can vary within the same lot. Maximum operating temperature is 464 F (240 C) based on the PMP support ring. |
50 |
|
| Impaction Substrate for IMPACT Sampler, required for each sample; select an impaction disc based on your application | ||
| Recommended to Reduce Particle Bounce | ||
Impaction Discs, 37
mm, pre-oiled, ready to use, disposable |
10 |
|
25 |
||
50 |
||
| For Chemical Analysis of Larger Particles | ||
| Quartz Filters, 37 mm, Tissuquartz, 432 µm thick | 25
|
|
| PTFE Filters, 37 mm,
2.0-µm, laminated
PTFE support Back pressure on PTFE filters can vary within the same lot. |
50
|
|
| Accessories | ||
| Calibration Adapter, for IMPACT Sampler | ea
|
|
| Petri Dish Slide, for filter transport | 100 |
|
| Filter Cassette Opener | ea |
|
| Mounting Bracket | ea
|
|
| Forceps, stainless steel | ea |
|
| Glass Jars, for Chemical Analysis | 8 |
|
36 |
||
| Software | ||
| DataTrac for Leland Legacy Software includes software on CD, DataTrac adapter, and DataTrac cable, requires Windows 98 or higher and available serial port or USB to serial adapter that is compatible with the PC and system | ||
IMPACT Sampler Operating Instructions (PDF)
IMPACT Sampler Spec. Sheet (PDF)
Modular Impactors Poster Presentation (PDF)
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