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Fluenta FlarePhase™ Transducers

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Fluenta FlarePhase™ Transducers

Fluenta sets the standard for flare gas measurement in challenging applications. Fluenta’s FlarePhase™ transducer range measures flare gas accurately and reliably in extreme conditions.

  • Fluenta FlarePhase™ 350 – Uniquely designed for the most challenging applications including low gas densities and extreme temperatures.
  • Fluenta FlarePhase™ 250 – Ideal for petrochemical industries, FlarePhase™ 250 is optimised for high temperatures and high levels of hydrogen & CO2.
  • Fluenta FlarePhase™ CRYO – Ideal for the LNG industry, FlarePhase™ CRYO provides accurate measurement at very low temperatures and with difficult gas conditions.


  • Temperature Extremes – The Fluenta FlarePhase™ range can accurately measure flare gas regardless of temperature. There are 3 options available:
    Very high temp: +350°C (+662°F)
    High temp: +250°C (+482°F)
    Low temp: -200°C (-662°F)
  • Difficult Gas Compositions – The Fluenta FlarePhase™ transducers accurately measure in high levels of H2, CO2, CH4, or a combination across the full pipe diameter. They are ideal for use in the LNG, refinery and petrochemical sectors.
  • Large Pipe Diameters – 6” to 100” as standard with solutions outside of this range possible.
  • Accuracies Beyond Regulations – Installations are available with a range of accuracies better than ±0.75% , depending on individual requirements.

Fluenta’s FlarePhase™ transducers ensure flare gas flow measurement is possible in difficult installations by using narrowband transmit and sensing. Fluenta’s advanced technology removes the industry-wide issue of phase shift difficulties normally associated with narrowband technology.

Fluenta’s FlarePhase™ transducers use innovative ‘active phase analysis technology’ to combat phase shifts that result in measurement inaccuracies. ‘Active phase analysis technology’ accurately determines phase shifts by providing a definite figure to calculate the required compensation.

This allows for accuracy in the field in even the most challenging gas & temperature conditions.