Michell Instruments Ltd - a DwyerOmega Brand

Michell OptiPEAKModel TDL600 -Moisture in Natural Gas Analyzer

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The next generation TDLAS Analyzer for automatic online measurement of moisture in variable compositions of natural gas and biomethane. The OptiPEAK TDL600 Tuneable Diode Laser Analyzer employs the latest techniques in laser absorption spectroscopy and signal processing power to offer a robust high performance analyzer, designed specifically for the measurement of moisture in natural gas. This non-contact technology requires minimal maintenance, even in demanding applications such as changing methane concentrations or sour gas. The analyzer is fully hazardous area certified and delivers class-leading measurement performance, stability and detection sensitivity. OptiPEAK TDL600 is suitable for use with natural gas containing up to 20% hydrogen with no further modification required.

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  • D-MET system: Factory-ready for varying gas compositions. For example, after stream blending or injection of shale gas or biomethane to a network.
  • Operating range down to 1 ppmV
  • Sour gas compatible
  • Simple installation and setup
  • Lowest maintenance
  • IECEx, ATEX and cQPSus certified for EExd flameproof
  • Integrated sample handling
  • Proven Michell Instruments quality: 40 years of expertise in moisture measurement built into the design
  • Measuring Technique TDLAS
  • Measurement range 1 ppmV to 1000ppmV
  • Accuracy ±1% of reading > 100ppmV
  • ±1ppmV < 100ppmV
  • Repeatability <1ppmV (long term stability <0.1ppmV/year)
  • Limit of detection 1ppmV
  • Available units ppmV, lb/MMSCF, mg/Nm3, dew point °C or °F (ISO18453 or IGT#8)
  • Response speed Optical response 0.2s
  • Display update 2-3s
Suitable Applications
  • Natural gas glycol dehydration
  • Natural gas transmission monitoring
  • Custody transfer
  • Natural gas storage
  • Offshore export pipeline natural gas
  • LNG receiving / re-gasification plants
  • Vaporized NGL
  • Biomethane
Learn More About Selected Applications