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AEMS biogas, landfill gas and coal mine gas analyser


Fixed automated extraction monitoring system for continuous biogas, landfill gas and coal mine gas analysis. Bespoke design and remote monitoring for CH4, CO2, O2, H2S. The AEMS utilises robust, reliable, field-proven technology for continuous monitoring of biogas in a range of applications, including anaerobic digestion and as a landfill gas analyser. Geotech’s AEMS has been used successfully on projects across the globe, including CDM projects and energy generation projects. AEMS can be easily integrated with onsite control equipment to help maximise project success.


  • Biogas plants
  • Landfill gas analysis
  • Coal bed methane
  • Engine control
  • Anaerobic digestion
  • Waste water treatment plants

Key features

  • Remote monitoring
  • Verify gas quality
  • CH4, CO2, O2 and H2S measurement
  • 4-20mA output option
  • Auto calibration and manual calibration check options
  • Wireless communication
  • Gas conditioning
  • Up to five gas sample lines per system
  • Range of comms options

Take a look at our case studies where our AEMS system has been used.