Gas Analyzer, Tunable Filter Spectroscopy, Natural Gas Calorific Value, Wobbe Index, Methane Number, Metering

Technical Specs

  • Type
    TFS Gas Analyzer
  • Measurement Technique
    Tunable Filter Spectroscopy
  • Measurement Ranges
    CH4: 50-100%
    C2H6: 0-20%
    C3H8: 0-10%
    iC4H10: 0-5%
    nC4 + nC5 +nC6 (as nC4): 0-5%
    iC5 + neoC5 (as iC5): 0-2%
    CO2: 0-20%
    Balance
    High Heating Value (HHV)
    Low Heating Value (LHV)
    Specific Gravity
    Wobbe Index (WI) (per ISO 6976: 2016)
    Methane Number
  • Repeatability
    Gas Channels: <0.05 mol%
    HHV, LHV & WI: <0.2% of Reading or <0.1 MJ/m3 (greater of)
    Specific Gravity: <0.05% of Reading
  • Accuracy
    Gas Channels: ±0.2 mol% or ±0.5% of Full Scale (greater of)
    HHV, LHV & WI: ±0.5% of Reading or ±0.2 MJ/m3 (greater of)
    Specific Gravity: ±0.5% of Reading

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