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ThermoScientific
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Model 290 Marple Personal Cascade Impactor

The Thermo Scientific* Model 290 Marple Personal Cascade Impactor is designed to be worn by the worker, providing complete and accurate aerodynamic particle size distributions from 0.4 to 21 microns; final filter collects all aerosol analyte.
The Model 290 Marple Personal Cascade Impactor provides complete and accurate aerodynamic size distributions.
 
 
 
 
Part Number Description   Quantity
SE296-K Kit includes model SE296 cascade impactor
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SE296 Marple personal cascade impactor (6 impactor stages)
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SE292 Marple personal cascade impactor (2 impactor stages)
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SE298-K Kit includes model SE298 cascade impactor
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SE294-K Kit includes model SE294 cascade impactor
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SE294 Marple personal cascade impactor (4 impactor stages)
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SE298 Marple personal cascade impactor (8 impactor stages)
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Please Note: Availability may vary by country. Show All
 
Sampled air enters the inlet cowl and accelerates through six radial slots in the first impactor stage. The width of the radial slots are constant for each stage but are smaller for each succeeding stage. After the last impactor stage, remaining fine particles are collected by the built-in 34mm filter.

Key Features:

  • The only multi-jet, multi-stage personal cascade impactor available
  • Aerodynamic range of 21 to 0.5 microns with final filter
  • Lightweight design
  • Useful as a personal or area sampler
  • Available in two to eight stages
  • Cut points: 21.3 and above, 14.8, 9.8, 6.0, 3.5, 1.55, 0.93, 0.52 and final filter
  • A variety of collection substrates available
Additional Information:

  • Sampled air enters the inlet cowl and accelerates through six radial slots in the first impactor stage
  • Cowl eliminates ashes and debris from the sampler
  • Particles larger than the cut-point of the first stage impact on the pre-cut collection substrate
  • Airstream flows through the narrower slots in the second impactor stage, smaller particles impact on the second collection substrate, and so on
  • Widths of the radial slots are constant for each stage but are smaller for each succeeding stage; thus, the jet velocity is higher for each succeeding stage, and smaller particles eventually acquire sufficient momentum to impact on one of the collection substrates
  • After the last impactor stage, remaining fine particles are collected by the built-in 34mm filter

Recommended for:
  • Wood dust
  • Coal dust
  • Silica dust
  • Respirable dust sampling
  • Inhalation toxicology, aerobacteriology
  • Indoor air pollution
  • Low cost, multi-point sampling
  • Aerosol research

 
 
 
 
 
 
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