TLG-837 Tail Gas/Air Demand Analyzer

Industry's Leading Tail Gas Analyzer

  • Fast, continuous reading
    Total system response time under 10 seconds
  • Superior accuracy
    ±1% full scale
  • Excellent performance during upset / off-ratio conditions
    Accurate if 100:1 H2S:SO2 20:1
  • Additionally measure COS and CS2
    Using advanced multi-component analysis

Proven Reliability

  • Always online
    Allows for 99.6% uptime
  • Self-Maintaining DEMISTER Probe
    Automated steam cleaning and sulfur removal
  • Unattended operation
    Stabilized by Auto-Zero; remote operation optional

Engineered Safety

  • No process gas inside the analyzer
    Toxic sample gas contained within the probe Learn More
  • Service the analyzer without shutting process
    Ball valve provides easy process seal

Cost of Ownership

  • Proven low-maintenance
    Only requires monthly optics cleaning
  • Easy Installation
    The lightest, most compact tail gas analyzer
  • Solid state construction
    No moving parts or filters to replace
  • Light on utilities
    Low power/steam consumption


  • Suitable for modified Claus
  • Hazardous area certifications
    Class I Div 1 & 2; ATEX; GOST...
  • Customizable alarms & outputs
    4-20 mA analog outputs; MODBUS; Hart...
  • No shelter required
    Rugged instrument suitable for outdoor installation
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