Personal Modular Impactor (PMI)

The patented SKC single-stage Personal Modular Impactors are designed for the highly efficient collection of PM10, PM2.5, or PM Coarse (PM10-2.5). The 25 mm pre-oiled impaction disc mounts directly on top of the filter cassette and reduces particle bounce for high collection efficiency. A 25 mm filter may be used as an alternative impaction substrate for optional chemical analysis of particles. The PMI Coarse model includes a second filter cassette to allow collection of particles less than 10 µm but larger than 2.5 µm.

PMI  for PM2.5
PMI  for PM10
PMI  for PM Coarse

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  • Convenient modular design for easy operation
    • Removable filter cassette for easy media changes
    • Disposable ready-to-use pre-oiled compaction discs - no cleaning or greasing
    • Convenient clip for mounting sampler in the breathing zone
  • Use with any constant flow pump at 3 L/min
  • Compact and lightweight - weighs only 71 g
  • Closely follows PM2.5 and PM10 as defined by EPA
  • PMI PM10 model is suitable for ACGIH thoracic TLVs, including sulphuric acid and cotton dust as thoracic particulate matter

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