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Geotechnical Instruments

Geotech GA2000 Plus Infrared Gas Analyser


This product is now obsolete and has been replaced by the GA5000.

The GA2000 PLUS by Geotechnical Instruments utilises new technology to give even more reliable readings for CO, which can help when trying to determine the presence of fires on landfill. It incorporates all of the existing technology and features of the field proven GA2000 with additional features for specific applications.

Find out more on our sister site Cadmus Products

The analyser monitors Methane (CH4), Oxygen (O2), Carbon Dioxide (CO2), Carbon Monoxide (CO) as standard. A choice of an additional internally measured gas, a hydrogen level indication, ammonia measurement (NH3/H3N) and 0-5000ppm Hydrogen Sulphide (H2S) pod are also available.

In addition, the GA2000PLUS landfill gas analyser is able to monitor high and low gas flow as well as pressure and temperature. Site observations and borehole parameters can also be stored on the instrument.


  ATEX approved
  6 Gas Capability
  Hydrogen compensated CO reading
  Peak CH
  Minimum O2
  Extra large display
  Records site conditions
  Accepts protocols
  Remote download option

MCERTS Approval

This product now has MCERTS certification. The GA2000 Plus and GEM2000 Plus are the first portable landfill gas analysers to achieve this certification.

This gives extra assurance that these units perform to the stated technical specification and help even further with making landfill compliance on PPC easier. It may also help you to save future expenditure on additional EA audits, check monitoring and annual subsistence, as it could count towards a higher OMA (operator monitoring assessment) score.

The analysers have gone through a long and rigorous test procedure at Sira Environmental, the approved EA certifying body for MCERTS portable gas analysers, to achieve this standard.

GA2000 Plus


  3 main gases now auto record peak or minimum values
  Extra gas channel available. Provides extra flexibility (via plug in pod)
  Even more reliable CO readings to help identify potential fires
  Extra large display shows all gas parameters, pressure and ID
  Order of data collection and actions required can be user programmed
  Modem allows users to download from home/site to office


  Landfill boreholes
  Site investigation
  Research projects

GA2000 Plus Datasheet
GA2000 Plus Technical Specifications
GA2000 Plus Manual

Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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Geotechnical Instruments

Landfill Analysers

GA5000 Portable Landfill Gas Analyser

GEM5000 Portable Gas Extraction Monitor

Biogas 5000 Portable Biogas Analyser

Medical Gas



Indoor Air Quality


Incubator Analysis


Obsolete Analysers

GA25 / GA45 / GA45 Plus / GA94 / GA2000 / GA2000 Plus / Biogas Check / GEM 2000 / GEM 2000 Plus

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