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Flow Focusing Monodisperse Aerosol Generator Model 1520

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Product Details

Model 1520 Flow Focusing Monodisperse Aerosol Generator is an aerosol generator for producing monodisperse droplets and aerosol particles. The instrument uses the aerodynamic flow-focusing effect to reduce the size of a liquid jet and the resulting size of droplets and generates monodisperse particles from 0.7 to 15 µm in diameter. 

The instrument is referred to as the Flow-Focusing Monodisperse Aerosol Generator, or FMAG. In normal operation, a stream of liquid flowing out of a 100-µm-diameter nozzle is stretched to a much thinner stream by the focusing gas flow. The resulting thin liquid jet then breaks up into uniform-sized droplets with the help of a periodic mechanical perturbation produced by a piezoelectric ceramic actuator. The large 100-µm-diameter nozzle in the FMAG enables aerosol generation over extended periods of time without experiencing nozzle clogging problems while at a very low liquid pressure. This low shear stress generally enables biological cells to remain viable, even after dispersion as uniform particles.

Using the solvent evaporation technique, a variety of solid and liquid particles of a uniform and accurately known particle diameter, can be generated to provide laboratory standard aerosols for calibrating droplet and aerosol particle sizing instruments.

Features & Benefits

  • Generate monodisperse droplets by a combination of aerodynamic flow-focusing and periodic mechanical perturbation
  • Generate monodisperse aerosol particles of an accurately known particle diameter
  • Low shear stress, non-clogging design
  • Built-in corona aerosol neutralizer (no license required)
  • An easy-to-use instrument with advanced touch-screen control and user-friendly features

Applications

  • Calibration of optical aerosol spectrometers
  • Calibration of inertial impactors
  • Generation of biological aerosols
  • Generation of aerosols for animal exposure studies
  • Calibration of droplet sizing instruments

 

 

 


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