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LUM GmbH - LUMiSpoc

The LUMiSpoc® is a highly advanced single particle analysis system, similar to a flow cytometer, that measures particle size distribution and particle concentration of nano- and microparticles in suspensions and emulsions with an unparalleled resolution and dynamic range.

The instrument uses the patented Single Particle Light-Scattering Technology® , a technology which records light that is scattered into into forward and sideward directions by single nano- and micro particles while passing a laser beam of a special beam cross-section.

It enables you to get a deep insight into complex nano- and submicro-particulate systems, which helps you to design tailored particles and dispersions.

Key features

  • Very high resolution of monomodal, multimodal & polydisperse size distributions
  • Extremely high classification
  • High counting rate (high-frequency digitization, pulse analysis & classification)
  • Large dynamic range (particle sizes from 40 nm - 8 µm) without range switching or component changes
  • Short measurement time
  • Easy operation (measurement, rinsing)
  • Small sample volume
  • Touch display with embedded PC & server/browser based software
  • One-point calibration by reference particles
  • Particle counting and size determination
  • Number concentration determination
  • Direct determination of the number-based particle size distribution of nano- and microparticles
  • Classification of nanomaterials
  • Recording of agglomeration & flocculation kinetics
  • Determination of distribution tails
  • Particle contamination detection
  • Separation membrane & filter medium testing, cut-off determination
  • Dispersions of: CMP slurries, carbon black, pigments, filler, pharmaceutical emulsions & suspensions, reference & smart particles, biological cells, viruses,...

Technical specifications

Particle size range 40 nm to 350 nm (sideward scattering)
200 nm - 8,000 nm (forward scattering)
Min. size resolution (x < 1 µm) < 10 nm
Particle concentration range

103 ml-1 to 109 ml-1

Counting rate up to 10,000 per second
Typical measurement time 1 min
Light source Diode laser, violet, adjustable
Particle counting precision < 2 %
Sample volume 250 µl
Dimensions (W x H x D), Weight

60 x 52 x 59 cm3, 25 kg

Power supply 24 V DC, 220W

Single particle optical counter LUMiSpoc® with SPLS-Technology®

The LUMiSpoc is a highly advanced single particle scattered light photometer that measures particle size distribution and particle concentration of nano- and microparticles in suspensions and emulsions with an unparalleled resolution and dynamic range.

  • Agriculture
  • Biopharmaceutical and Biotechnology
  • Chemical
  • Cosmetics & Personal Care
  • Education & Academics
  • Food & Beverage
  • Mining & Minerals
  • Oil & Gas
  • Paper & Wood
  • Pharmaceutical
  • Polymers, Plastics and Rubbers
  • Powders & Pigments / Coating
LUMThe LUM GmbH is one of the leading producers for analytical devices for dispersion analysis and particle characterization. On the basis of longtime experiences in the field of fluid mechanics, rheology and colloid chemistry the company, founded by Prof. Dr. D. Lerche in 1994, has developed the innovative STEP-Technology®, which is the technical platform for different product lines. Or measuring equipment is used for the fast, reliable and comprehensive characterization of any demixing phenomena in dispersions and the testing of bonding and adhesive strength of composite materials.
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