TECHNICAL SPECIFICATIONS

Content Technical data . . . . . . . . . . . . . . . . . . . . . . . page 3 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . page 7 Application examples . . . . . . . . . . . . . . . . . page 11

A-28 | Technical specifications | Technical data Module Measuring Unit Working principle Dynamic Image Analysis Field of application Analysis of particle size, analysis of particle shape, powders and bulk solids, emulsions and suspensions, quality control, research and development, laboratory, fast alternative to sieve analysis Measuring range Dry measurement: 20 pm - 20 mm Type of analysis Dry measurement of free-flowing powders and bulk solids Wet measurement of suspensions and emulsions Measurement value Particle size, particle shape Lenses (different, easy to change telecentric lenses) (Enlargement/...

A-28 | Technical specifications | Technical data Typical measuring time < 5 min (depending on the desired measuring Typical sample quantity Dry measurement: 10 - 100 g Measuring speed max .75 images/s Evaluation Fast image analysis for morphology description and particle size determination (23 parameters), Sieve correlation, Data filter, Particle and image gallery, Fritsch cloud (correlation of up to 3 parameters) Software Image Sizing-Software ISS for controlling, recording and evaluating the measuring results pre-installed on supplied computer, incl. monitor, keyboard and mouse (without computer...

A-28 | Technical specifications | Technical data Wet Dispersion Unit Module Closed liquid circulation system Suspension volume 150 - 500 ml,with three predefined filling levels Radial pump Up to 3.5l/min, adjustable in steps between 1 and 10 Materials in contact with sample High-quality stainless steel 316L, PTFE, FFKM, FEP, BK7 glass, FKM, hoses made of silicone Conversion kit Extended for extreme chemical resistance (optional) Seals made of FFKM, flow plate made of FFKM, hoses with inner liner made of FEP Sample material characteristics Suspensions, emulsions and solids that do not agglomerate,...

A-28 | Technical specifications | Technical data Up to 50 W, adjustable in steps between 1 and 10 Materials in contact with sample High-quality stainless steel 316L, FFKM, hoses made of silicone Sample material characteristics Suspensions, emulsions and solids that agglomerate Dimensions (WxDxH) Safety class

A-28 | Technical specifications | Accessories Accessories A-28 – Particle Analyser Order no. for 100 - 240 V/1~, 50 - 60 Hz, 60 watts with USB-interface and software already pre-installed on supplied computer, incl. monitor, keyboard, mouse For dry measurement please order lenses according to the desired measuring range. For wet measurement please order wet dispersion unit, lenses according to the desired measuring range and if required ultrasonic box separately. Accessories for Particle Analyser A-28 Accessories for dry measurement of powders and bulk solids Lenses with holder, feeder, funnel...

A-28 | Technical specifications | Accessories Modules for wet measurement of suspensions and emulsions Wet dispersion unit suitable for many liquids 28.2600.00 Automatic dispersion, volume 150 - 500 ml suitable for extremely aggressive chemical dispersion liquids incl. accessory case with FRITSCH test powder, cleaning sand, tenside and much more Wet dispersion unit extended for extreme chemical resistance Automatic dispersion, volume 150 - 500 ml suitable for extremely aggressive chemical dispersion liquids incl. accessory case with FRITSCH test powder, cleaning sand, tenside and much more Ultrasonic...

A-28 | Technical specifications | Accessories Accessories for wet dispersion units 22.9515.00 Cover sample bath for wet dispersion units Pump (external) for filling the wet dispersion units with water if no suitable media connection is available Membrane laboratory pump (external) for filling the wet dispersion units with isopropanol if no media connection is available (Please enquire about resistance to other aggressive liquids) Spare parts for wet dispersion units 22.8566.26 Measuring cell glass 4 mm incl. seal for wet measuring cell Hose set standard for wet dispersion unit 28.2600.00 Hose...

A-28 | Technical specifications | Accessories Choose according to your measuring task dry or wet measurement Lenses for dry measurement of powders and bulk solids (page 7) In order to use the A-28 you will need at least one telecentric lens. Four telecentric lenses with different measuring ranges are available. Order the desired lenses separately according to the measuring task. They can all be retrofitted at any time, and are easy to replace. Modules for wet measurement of suspensions and emulsions (page 8) Wet dispersion is particularly suitable for fine particles, poorly flowing, fine-agglomerating...

A-28 | Technical specifications | Application examples Application examples Dry or wet measurement Sample 1: Feed pellets Measurement • Dry measurement (free fall) • 0,243x lens • Big feeder & funnel • Analysis of aspect ratio Image analysi

A-28 | Technical specifications | Application examples Sample 2: Sand Measurement • Dry measurement (free fall) • 0,35x lens • Small feeder & funnel • Analysis of particle size distribution with minimum feret diameter Minimum Feret Diameter in µm

A-28 | Technical specifications | Application examples Sample 3: Rice Measurement • Dry measurement (free fall) • Correlation of Minimum Feret Diameter and aspect ratio with Fritsch Cloud Aspect Ratio

A-28 | Technical specifications | Application examples Sample 4: glass beads Measurement • Wet measurement • 0,735x lens • Pump speed 50 % • Analysis of particle shape based on circularity • Measurement goal: detection of good vs. defective particles

FRITSCH GmbH Industriestraße 8 55743 Idar-Oberstein +49 67 84 70 0 www.fritsch.de [email protected] [email protected] Contact person: Contact us now for a non-binding consultation or individual test analysis to identify your ideal device configuration and parameters. Version number: V02_2025 | Subject to technical changes.