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TSIModel 3938 -Scanning Mobility Particle Size Spectrometer (SMPS)

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The SMPS spectrometer is a nanoparticle sizer capable of measuring the size distribution of airborne submicron particles with accuracy and precision. It combines electrical mobility sizing with single-particle counting to deliver nanoparticle concentrations in discrete size channels. The size resolution capability of the SMPS is as high as 128 channels per decade, resulting in up to 192 channels in total. The SMPS Model 3938 is component-based, allowing users to customize their SMPS to match their experimental needs. Users may choose among three DMAs, seven CPCs, and two different neutralization techniques, enabling measurement from 1 nm - 1 um.
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  • Atmospheric studies and environmental monitoring
  • Nanotechnology research and materials synthesis
  • Combustion and engine exhaust studies
  • Indoor air quality measurements
  • Nucleation/condensation studies
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  • High resolution data: up to 192 channels
  • Broad size range: from 1 nm to 1,000 nm
  • ISO 15900:2009 compliant
  • Fast measurements: <15 second scans
  • Wide concentration range up 10^7 particles/cm3
  • Modular component design for maximum flexibility
  • Touch-screen control for stand-alone operation (no computer needed)
  • Easy setup with tool-less installation and auto discovery of components 
  • Discreet particle measurement: works well for multi-mode samples
  • Independent of optical properties of the particles and fluid
  • Wide range of system options: choice of water or butanol CPC; choice of traditional or nonradioactive neutralizer