Particle Sizing Systems

Nicomp On-Line Nanoparticle Size Analyzer



Dynamic light scattering (DLS) is the most prevalent size analysis technique for nanoparticles. The nanotechnology revolution has created higher demand for online DLS systems and the Nicomp Online has improved to remain the most popular solution.

  • PSS expertise in sample dilution techniques allows adjustment of sample concentration for the optimum DLS measurement.
  • The hydraulics are flushed and made ready for measurement of another sample.
  • Light intensity is automatically controlled using a neutral density filter.
  • Analysis algorithms are Gaussian and Nicomp high resolution ultimodel with the ability to split peaks.


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  • Automated sampling
  • Live updates of particle sizing
  • Range of detector and laser types to suit application
  • On-Line or At-Line
  • Fluidics accept sample, dilutes if required and measures
  • Measurement frequency: 2-3 minutes
  • Can dilute to count rate or use
  • Multi-modal peak detection algorithm
  • Automatic alarms for selected parameters



  • Nanoparticles in process streams from 1 nanometer to 1 micron
  • Ability to develop parameters vs particle size correlation, ie. homogenizer pressure vs particle size.



Dynamic light scattering (DLS), 90deg data collection angle
Size range
1nm - 1um (depending on sample density)
Analysis Algorithms
Gaussian and Nicomp high res multi-model with ability to split peaks separated by 1.5 x in size (220 and 340nm)
PMT standard, optional 7x gain APD
Light adjustment
Light intensity automatically controlled using a neutral density filter
Temp range
10 - 50 deg C
Electronics enclosure: 10
100-120 VAC, 60 Hz or 220-240 VAC, 50 Hz

Optics/fluidics module
Optics/fluidics module
Size versus pressure results
Size versus pressure results

Optics/fluidics schematic
Optics/fluidics schematic

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