OCCHIO ZEPHYR ESR     HEAVY DUTY PARTICLE CHARACTERIZATION SYSTEM  
MEDIUM TO LARGE SAMPLES FOR GRANULAR AND BULK MATERIALS 
Occhio particle size and shape analyzers, are the collaboration of many years of focused research in the fields of optics, lighting, and digital imaging.

Common methods of particle size distribution analysis include laser diffraction, and sieve analysis, both of which are based on the assumption that the sample is comprised of spherical particles. 

While these methods of gathering size distribution information generally provide usable results, they lack in accuracy, and application when compared with digital imaging technology, especially when particles are not round.
Fig 1.1 A monochromatic, collimated back-light acts like a caliper. 
OCCHIO ZEPHYR ESR2  GRANULAR MORPHOMETER
SAMPLE TYPE: FREE FLOWING GRANULARS AND BULK MATERIALS                                THAT DISPERSE NATURALLY WITH GRAVITY
                          APPLICATION RANGE 30 MICRON - 3 CM    
NEW!              DUAL TELECENTRIC LENS TECHNOLOGY                 
WHITESTONE VA
TEL (804) 318-3686 FAX (703) 991-7133
[email protected] 
WWW.QCLABEQUIPMENT.COM
Copyright 2012: QAQC Lab | Particle Measurement System | All rights reserved.
804-318-3686 | [email protected]
EQUIPMENT FOR QUALITY CONTROL AND R&D 
www.qclabequipment.com
Telephone      (804) 318-3686
Toll Free US   (866) 244 1578
Fax                  (703) 991-7133
Hours      8 AM - 6 PM EST
INTERNATIONAL & DOMESTIC SALES
CUSTOMER SERVICE * SALES * TECHNICAL SUPPORT


DELIVERIES WORLDWIDE

PERFORMANCE GUARANTEE
BROCHURE

QUICK QUOTE
BY USING A  PARAMETER CALLED MAXIMUM INSCRIBED DISC, NEAR PERFECT SIEVE CORRELATION IS NOW POSSIBLE, SINCE THIS EFFECTIVELY MEASURES THE WIDEST PART OF A PARTICLE, WHICH CONSEQUENTLY DETERMINES THE SIEVE APERTURE SIZE THE PARTICLE WOULD OR WOULD NOT FALL THROUGH. BECAUSE WE CANNOT TELL WHETHER A PARTICLE FALLS THROUGH A SIEVE APERTURE SQUARELY OR ON ITS' DIAGONAL, THERE WILL BE SOME VARIANCE.
​FOR BETTER CORRELATION TO A PARTICLES ACTUAL MASS, A PARAMETER CALLED EQUIVALENT DISC DIAMETER IS EMPLOYED. THIS BASICALLY EQUATES TO COUNTING PIXELS, AND CORRELATES MORE CLOSELY TO LASER DIFFRACTION RESULTS.
INSCRIBED CIRCLES ARE USEFUL IN DETERMINING OTHER IMPORTANT CHARACTERISTICS, SUCH AS ABRASIVE PROPERTIES OF PARTICLES
THIS ACTUAL IMAGE OF AN ESPRESSO COFFEE GRIND, HELPS SHOW
HOW SIEVING MAY PROVIDE FALSE INFORMATION IN REGARDS TO SIZE.

WHAT SIZE SQUARE APERTURE WOULD LIKELY CAPTURE THE PARTICLE.? EVEN MORE SO, WOULD IT FALL THROUGH ON THE PERPENDICULAR OR THE HORIZONTAL?
BULK MATERIALS LIKE, AGGREGATES, ABRASIVES, AND WOOD CHIPS CAN BE ANALYZED FOR SIZE,SHAPE, AND EVEN ABRASIVE QUALITIES
Using a special proprietary light source, Occhio Particle Analyzers, are able to provide clear resolution, and definition to particles as small as 200 nanometers.  
WHAT ABOUT SIEVE CORRELATION WITH NON SPHERICAL PARTICLES?
WHAT ABOUT CORRELATION TO LASER DIFFRACTION?
AVAILABLE MEASUREMENT PARAMETERS

OCCHIO DIGITAL IMAGING THEORY
VIBRATING HOPPER / GRAVITY  
DISPERSION / VACUUM ASSIST
SAMPLE TRANSPORT METHOD
​ANALYZING THE PERFORMANCE ATTRIBUTES OF ABRASIVES, AND EXAMINING LENGTH AND WIDTH OF FIBERS, OR STRINGY PRODUCTS LIKE TOBACCO, AND SHREDDED CHEESE
PRIOR TO DIGITAL IMAGING THERE WAS NO GOOD WAY TO PERFORM QUALITY CONTROL TESTS ON LONG, STRINGY PARTICLES. SIEVE ANALYSIS IS ESSENTIALLY USELESS IN DETERMINING THE SIZE OF THESE CURVEY RUBBER SHREDS. OCCHIO IS ABLE TO EVEN MEASURE LENGTH OF CURVED PARTICLES.
Standard test method for flat particles, elongated particles,
or flat and elongated particles in coarse aggregate​-

Correlates with OCCHIO WIDTH & LENGTH Size parameters. For smaller particles, use Ellipsoid Width and length parameters. 

Percentage of fracture in coarse aggregate-

Correlates with Occhio BLUNTNESS Shape Parameter

Sieve Analysis-

Correlates with Occhio INNER DIAMETER Size parameter

Measure percentage of material coated-

Color camera required
AGGREGATES
MANUFACTURING
DISTRIBUTION
TECHNICAL SERVICES ​FOR
ANALYTICAL INSTRUMENTATION

TELEPHONE (804) 318-3686
TOLL FREE   (866) 244-1578

COMPLETE INTERACTIVE SAMPLER CATALOGUE
PDF DOWNLOAD
google70969e69c9325916.html