Precisive® 5-271
Syngas Composition, Calorific Value & Wobbe Index Monitor

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The Precisive® 5-271 is designed specifically for on-line quality monitoring of syngas derived from a variety of fuels, including coal and biomass. It provides fast and accurate measurement of Calorific Value, Wobbe Index, and compositional information, including CO2 in a single, compact analyzer. Based on a unique Tunable Filter Spectroscopy (TFS) platform from MKS, the analyzer directly measures the component concentrations and calculates gas property values based on widely-accepted ISO standards.

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Features & Benefits:

  • Analysis in seconds
    Real-time, continuous measurement
    Fast response (seconds)
  • No carrier gas or fuel gas requirements
    Low operational costs and infrastructure requirements
    Suitable for small-scale plants and terminals
    Ideal for remote installations
  • Robust calibration
    Reduced maintenance and operationalcosts
  • Flow-through sensor design
  • Compact, outdoor rated, low power
    NEMA 4X and IP-66 rating, can be engine or manifold mounted
    Engineered to withstand vibration and shock


  • Fuel analysis for engine and combustion control
  • Syngas Calorific Value measurement
  • Syngas Wobbe Index measurement
  • Check metering, blend monitoring, fast-response BTU monitoring
  • Fast-response alternative to traditional calorimeter and/or gas chromatograph-type instruments


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Part NumberPriceQTY
Precisive® 5-271Quote Only

Documents & Downloads:

Precisive 5-271 data sheet

Need help?

Contact an Application Specialist by sending an email to MKS Instruments or call 978-645-5500.