Aerosol Instrumentation >> MSP Corporation

Cascade impactors (MOUDI™)

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Detailed Specs

They are available with 6, 7, 8, and 10 impaction stages to provide size-fractionated particle samples as small as 56nm.
Rotating and Non rotating MOUDI Impactors are precision cascade impactors with sharp cut-size and low internal-loss characteristics featuring:

  • 30 L/min sampling flow rate
  • 37mm or 47mm collecting substrates
  • Micro-orifice nozzles to minimize pressure drop, particle bounce, and re-entrainment
  • Rotating stages to achieve nearly uniform particle deposit on substrate. Datasheet76

Second generation MOUDI-II™ Impactors are precision cascade impactors with internal stepper-motor stage rotation to provide uniform particle deposit on collection substrates, for precision, high accuracy, wide-range aerosol sampling from 10 nm to 10,000 nm with 13 impaction stages.