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LUM GmbH - LUMiSizer

The LUMiSizer is an evolutionary development based on the LUMiFuge platform with some significant additional capabilities that instantaneously measures the extinction (space- and time-resolved) of the transmitted light across the entire length of your sample using the STEP-Technology.

Because of an enhanced optical system, the LUMiSizer lets you analyse particle and droplet velocity distributions for creaming and sedimentation phenomena without the need of any material data and performs particle sizing (ISO 13318- 2).

Technical Specifications

Accelerated phase separation 6–2300 times compared to gravity
Particle size distribution 20 nm to 100 µm (20 nm to 50 nm rec. with blue wavelengths)
Consolidation measurements concentrated dispersions and sediments
Observation time 1 s to 99 h
Conformity ISO/TR 13097; ISO 13318-2; CFR 21 Part 11
Samples up to 12 simultaneously
Volume 0.05 ml to 2.0 ml
Concentration 0.00015 Vol % – 90 Vol %
Density up to 22 g/cm³
Viscosity 0.8 – 108 mPas
Particle size 10 nm to 1000 µm
Light source multi-wavelength
Temperature control 4 °C to 60 °C, +/– 1K
Cells different material and optical path
Dimensions (WxHxD) 37 x 27 x 60 cm
Weight 40 kg
Power supply 100 V | 120V | 230 V, 50/60Hz

Key Features

  • Run up to 12 samples at a time
  • See and understand your complete sample from top to bottom
  • Obtain unique fingerprints for your sample
  • Get fast and direct stability measurements
  • Measure particle size even at high concentrations
  • Acquire particle densities
  • Compare and predict shelf life
  • Differentiate between the various instability mechanisms
  • Measure samples under a broad temperature range (4 ˚C to 60 ˚C)
  • Analyse concentrated samples (up to 90%)
  • Optimize your dispersions
  • Quick and easy to use
  • Medical
  • Food & Beverage
  • Polymers, Plastics and Rubbers
  • Pharmaceutical
  • Cosmetics & Personal Care
  • Chemical
  • Biopharmaceutical and Biotechnology
  • Education & Academics
LUM GmbHThe 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.
[LUMiSizer, Centrifuge, Physical Characterization, STEP Technology, Sample Preparation, Shelf-life Analysis]