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Allison Engineering

Innovative Solutions for
Process Control

Biogas Analysers



The AwiFlex can be customised to suit any application from Biogas to BioMethane and has the ability to directly control air injection for microbial desulphurisation. It can sequentially sample from up to 5 different locations and features an industrial PC touch screen interface with display of gas concentration and historical data logging. There many options for data communication and it typically samples every 30 minutes with the option for continuous sampling if necessary. It also features internal leak monitoring as standard together with automatic overload detection for H2S.

Gases measured include CH4/O2/CO2/H2S/H2

Key Features

  • ATEX ll 3G (zone 2)
  • Measures CH4/O2/H2S/C02/H2
  • 7” TFT touch screen interface
  • 4-20/Profibus/Ethernet/Profinet
  • Up to 5 separate measuring points
  • Accepts inputs from biogas flow meter