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FTC130-TRA Thermal Conductivity Detector

Applications

  • Extractive gas analysis
  • Quality and process monitoring
  • Contiuous concentration determination of single gas components e.g. H2, CO2, O2, He
  • For the H2-measurement at heat treatment in the metal industry
  • For the H2-measurement in miniplants

Benefits

  • Precise and long-term stable thermal conductivity measurement
  • Independent of gas flow and gas pressure
  • High sensitivity independent of the ambient temperature
  • Fast response time (T90 approx. 1 s)
  • Pressure resistant gas paths out of stainless steel (10 bara)
  • Robust tight aluminium housing (IP65)
  • Small dimensions
  • Linear signal output 4 to 20 mA
  • Easy calibration with covered push buttons
  • Factory configuration and calibration

Features

  • Based on micromechanic silicon chip
  • Detector mounted in a stainless steel housing
  • Stainless steel housing and electronic ­mounted in a sealed aluminium housing
  • Operation of the detector with two heating elements and a temperature sensor at constant 63 °C
  • Gas concentration corresponds to required compensation energy, depending on cooling of the chip due to varying thermal conductivity
  • Especially good measuring results are ­achieved under following conditions:
    • at binary gas mixtures, e.g. CO2 in N2, O2 in Ar or H2 in N2
    • if only two gas components at multi component mixtures vary in concen­tration, e.g. CO2 in air
    • if the measured component has a ­signi­ficantly different thermal conductivity than the remaining gas components, e.g. H2, He, or in a mixture of O2 and N2

 

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