Zephyr ESR 2

Image analysis technology for dry applications: particles size and shape characterisation. Vibrating primary dispersion coupled with secondary gravity free falling dispersion.

Instrument overview:

The Zephyr ESR 2 is the latest development in the Zephyr series instrumentation from Occhio. This instrument comes equipped with a double telecentric lens and homogenous blue backlight panel giving it unrivalled image quality and depth of focus.

With the ability to autonomously analyze particles between 30µm and 3cm, this instrument is the perfect, compact replacement for standard sieve analysis procedures.

  • Excellent correlation with standard sieve methods (ASTM or DIN regulations)
  • Fast analysis and data reporting
  • Automated cleaning
  • Very little maintenance
  • Ideal for applications such as: pellets, granules, sand, seeds, or for quality and process controls as well as r&d applications for basic and advanced shape characterisation.

With Occhio Zephyr ESR 2 you can measure:

Particle size
Particle shape
Particle transparency
Sieve size distribution, which includes correlation


Related software:

Data and images of every single particle are stored in an Occhio binary database. The instrument is driven by Callisto software, which controls the entire analysis: ‘SOP’, statistic, reporting and data storages.


Particle Range​:

Particle size range between 30µm and 30mm

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