Excimer UV Fluorescence 

EXCIMER UVF Technology for Total Sulfur and Total Nitrogen

Our ATOM Instrument Excimer UV Fluorescence (EUVF) Technology is the principal technology used in our online and elemental analyzers for total sulfur and total nitrogen measurement. The benefits of using this technology are numerous allowing analyzers to be designed for ease-of-use, reduced maintenance, and increased reliability to meet D5453 regulations

Franek Olstowski is the “Godfather” of the Technology and other patented technologies.  Recognized as a renowned scientist with a practical working knowledge of optics, electronics, chemistry and physics, Franek has over 40 years of experience in the analyzer industry.  He was also the founder of ATOM Instrument, now a Process Insights brand.

Our patented Excimer UV Fluorescence (EUVF) Technology provides high reliability and confidence of analytical results, reduces operational and maintenance costs, meets today’s emission standards, and delivers outstanding analytical performance to meet the challenges of future emission requirements.


  • Higher spectral purity
  • Higher relative sensitivity
  • Highly reduced nitrogen interference
  • Longer life relative to other sources (operational and calibration cost savings)

Analyzer Design

  • Bottled O2 not needed for analysis
  • Bottled carrier gas not needed for analysis (e.g.: Argon)
  • High speed analysis (60-100s per cycle for majority of applications)
  • Fast response time (99% of response in 1 cycle)
  • Standard operation does not require installation in a shelter
  • Compact footprint
  • Low utility consumption (4-6 weeks on standard 300 ft3 compressed air bottle)

Patented Unmatched Technology for Online and Elemental Gas and Liquid Analysis

Process Insights_ATOM Instrument Lab and Elemental Analyzers total sulfur

Explore our analyzers that include the Excimer UV Fluorescence Technology

  • XT-2000 Laboratory Analyzer for Total Sulfur and Total Nitrogen
  • FGA-1000 Flare Gas Analyzer for Total Sulfur
  • SLA-1000 Sulfur in Liquid Analyzer
  • SGA-1000 Sulfur in Gas Analyzer
  • LAS-1000 Liquid Autosampler
  • EIM-1000 External Injection Module
  • Sample Conditioning Systems SCS
Excimer UVF Technology

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