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precisive tfs tunable filter spectrometer
Optical Gas Analyzer, Tunable Filter Spectroscopy, Syngas Composition


  • Measurement Technique
    Tunable Filter Spectroscopy
  • Measurement Ranges
    Calorific Value (CV)**: Per ISO 6976:1995
    Wobbe Index (WI)**: Per ISO 6976:1995
    Methane: 0-25%
    Ethane: 0-25%
    Ethylene: 0-20%
    Acetylene: 0-5%
    Carbon Monoxide: 0-50%
    Carbon Dioxide: 0-50%
    Calculated Balance: N2 (assumed for CV and WI calculations)
  • Repeatability
    Hydrocarbon Channels: ±0.05 mol% (absolute)
    CO2: ±0.05 mol% (absolute)
    CV/WI Computation: ±0.05% (relative of reading) or ±0.01 MJ/m3 (greater of)
    Specific Gravity: ±0.05% (relative of reading)
  • Accuracy
    Hydrocarbon Channels: ±0.2 mol% (absolute) or 1% relative (greater of)
    CO2: ±0.2 mol% (absolute) or 1% relative (greater of)
    HHV/LHV and WI Computation: ±0.25% (relative of reading) or ≤0.14 MJ/m3 (greater of)
    Specific Gravity: ±0.2 (absolute)
  • Zero Drift
    Not to exceed 0.2% per month
    Maximum of 0.5% throughout life of bulb (~18 months)
  • Sample Pressure
    0.1-5 psig
  • Flow Rate
    0.1-2 L/min
  • Certifications
    CSA Class 1Div2
    Groups A/B/C/D
    T4. ATEX Zone 2
    Ex nAnCIICT4Gc


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