Metal-oxide(MOX) gas sensor elements

Metal-oxide(MOX) gas sensor elements -
  • Metal-oxide(MOX) gas sensor elements and arrays for the detection of:
    • Carbon monoxide (CO), Hydrogen (H2)
    • Nitrogen monoxide (NO), Nitrogen dioxide (NO2), Ozone (O3), Ammonia (NH3), Sulfur dioxide (SO2)
    • Hydrocarbons (CXHY/ C1-C8), e.g. Methane (CH4), Propane (C3H8) etc.
    • Alcoholes (CXHYOH), e.g. Ethanol (C2H5OH) etc., selected other Volatile Organic Compounds (VOCs), Refrigerants (R134a etc.) etc.
    • Öffnet internen Link im aktuellen FensterTypes of gas sensors and detectable gases
  • Our MOX gas sensor elements are realized in hybrid-technology: ceramic carrier substrate (Al2O3) with a micro-structured platinum thin-film layer, covered with a passivation layer + specific layers for contacts + gas-sensitive metal-oxide(MOX) layer/s. Öffnet internen Link im aktuellen Fenster... 
  • The functionality of a MOX gas sensor is based on the conductivity-change of the gas-sensitive MOX-semi conductor layer/s at gas exposure. Öffnet internen Link im aktuellen Fenster...
  • Various sensor cases:
    • Gas sensor elements in a TO39-case (socket with chip + specific T/2T-cap with filter):
      • 4-Pin-case for single and multiple gas sensor elements
      • 8-Pin-case for gas sensor arrays
    • Single and multiple gas sensor elements in iso-thermic 4-Pin-SMD-cases
    • Customized versions and solutions: e.g. sensor elements on specific carrier PCBs, specific sensor cases, sensor heads etc. (Öffnet internen Link im aktuellen Fensteron request)


  • Building automation
  • Automotive electronics
  • Energy engineering
  • Environmental technology
  • Process engineering
  • Safety engineering
  • Medical engineering, life science
  • ...

Selected applications

  • Air quality monitoring
    • Interior rooms in buildings (CO, CXHY, selected VOCs)
    • Cars (NO2, CO, selected VOCs), ventilation flap control
  • Leak detection on gas pipeline systems
    • Hydrogen (H2) and natural gas (CH4)
    • Combustible gases (C3H8, ...)
    • Forming gas (H2)
  • Leak detection on air conditioning systems
    • Selected refrigerants (R1234yf, R134a etc.)
    • Forming gas (H2)
  • Early detection of smouldering underground fires
    • Power plants (CO, H2, NO2)
    • Highway tunnels, subways
    • Indoor rooms (CO, CXHY, selected VOCs)
  • LEL detection (LEL... Lower Explosive Limit)
  • Detection of hazardous situations (chemical accidents, solvents, fire gases etc.)  


We offer individual consultation and production to realize solutions for your specific measuring task(s).

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