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PSA 990

Model : PSA 990


Country of Origin: USA

Measurement principle Laser diffraction
Measuring range (dry) 0.1 μm to 500 μm
Measuring range (wet) 0.04 μm to 500 μm
Dry dispersion Venturi l
Liquid dispersion 2 peristaltic pumps/ultrasonic transducer/stirrer
Repeatability <1 %
Accuracy <3 %
Measuring time <1 min
Number of lasers 1



Key Features

  • Accurate size distribution of dry powders
  • Accurate size distribution of dry powders
    The size distribution of dry powders is often difficult to measure because the particles tend to agglomerate, which falsifies the results. Dry Jet Dispersion (DJD) technology is Anton Paar’s patented technique (FR2933314) for efficiently dispersing and precisely analyzing powder particles. The innovative design features an air pressure regulator that quickly and easily adjusts the air flow in accordance with the sample properties. The shear forces created by the air flow separate agglomerated particles ensuring that primary particles are detected.