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black smoke
LII Instrument

LII: Laser Induced Incandescence
Instrument for soot characterization

Theory of Operation
Competitive Advantages of LII vs. Photoacoustic Method
Research Papers
Product Brochure


Soot Concentration (mass or volume basis)

Specific Surface Area

Primary Particle Diameter in Real-Time

Laser Induced Incandescence Applications

  • On-road mobile emissions

  • Diesel engine exhaust

  • Gasoline engine exhaust

  • Diesel particulate filter performance

  • Advanced and alternative fuels, including bio-fuels

  • Gas turbine particulate emissions

  • Ambient air monitoring

  • Atmospheric black carbon levels

  • Urban air quality

  • Carbon black production

LII Road Test
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