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Beckman Coulter Multisizer™ 4e Coulter Counter

The Multisizer 4e Coulter Counter uses the Coulter Principle to detect particles via electrical zone sensing, regardless of the particle’s nature or optical properties. Therefore, the Coulter Counter is an ideal tool for detecting and counting a wide variety of particles.

Supplier:  Beckman Coulter B23005

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Catalog No. 15-655-118

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  • Aperture sizes ranging from 10 µm to 2000 µm in diameter for current & future needs
  • Multiple aperture options & data overlay capability for analyzing complex samples over wide particle size distribution

Sample Detection

  • Analyze materials in aqueous or non-aqueous solvents
  • Detect particles regardless of material type or optical properties
  • Ideal for biological or non-biological samples

Rapid Particle Counting

  • Typical sampling rates up to 10,000 counts per second
  • Detect & count particles ranging from 0.2 µm to 1600 µm in diameter
  • Compatible with sample volumes as small as 5 mL

Data Management

  • Digital pulse data can be stored & re-analyzed as needed
  • Software features for 21 CRF Part 11 compliance for audit control & security
  • Variety of calibration beads & V-check validation controls


Multisizer™ 4e Coulter Counter
20 in.
25 in.
170 lb.
100/210 VAC
Aperture Tube (100 μm)
Multisizer™ 4e
50.8 cm
63.5 cm
77 kg
Particle Counting and Detection


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