Optical Gas Analyzer, Tunable Filter Spectroscopy, Liquid Natural Gas

Technical Specs

  • Type
    TFS Analyzer
  • Measurement Technique
    Tunable Filter Spectroscopy
  • Measurement Ranges
    Methane: 0 - 100% (C1), Ethane: 0 - 25% (C2), Propane: 0 - 25%(C3), n - Butane: 0 - 10% (nC4), iso - Butane: 0 - 10% (iC4), C5 (lumped): 0 - 5% (nC5, neoC5, iC5), Nitrogen: calculated balance, BTU Calorific Value - CV (computed as per ISO 6976:1995), Wobbe Index - WI (computed as per ISO 6976:1995)
  • Repeatability
    Hydrocarbon channels: <±0.05% (absolute), CV & WI computation: <±0.05% (relative of reading)
  • Zero Drift
    Not to exceed 0.2% per month on each hydrocarbon channel
  • Sample Pressure
    0.1 - 2 psig
  • Flow Rate
    0.1 - 1 L/min
  • Update rate
    5 seconds (default), software selectable from 1 -120 seconds

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