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Geotech’s commitment to our customers

Geotech is the market leading manufacturer and supplier of portable and fixed landfill gas and biogas analysers. Our products are rapidly becoming even more important with the growing focus on renewable energy from gas produced in anaerobic digestion and landfill sites. Learn about Geotech’s approach to manufacturing robust and reputable gas analysers across the world and how we support our customers with training, service and technical support requirements. Read more

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Measuring gases in AD and landfill – Which is the right product for your application?

With over 30 years’ experience in the landfill and biogas sector, Geotech is synonymous with gas analysis, supplying monitoring equipment to over half of the UK biogas and landfill market, with a further 4000 portable gas analysers sold throughout the world. Read more

Geotech certifications

Our equipment is designed to comply with legislation across the world, particularly the demanding standards required in the UK and USA.


The name commonly given to the legal requirements for controlling explosive atmospheres and the suitability of equipment and protective systems used in them.
Click here to view the Geotech ATEX quality assurance notification.


Geotech has achieved UKAS 17025 accreditation for its calibration lab for its full range of landfill and biogas analysers. This gives users the most comprehensive externally audited and verified performance endorsement available for a manufacturer of portable gas analyser calibration.
Click here to view the Geotech UKAS accreditation certificate.


The Environment Agency's Monitoring Certification Scheme. It gives confirmation of performance of equipment to the demanding MCERTS standards which assists end users in demonstrating full compliance.

Click here to view MCERTS certificates


Geotech has been certified as operating a quality management system in compliance with the requirements of ISO 9001:2008 for the following scope: The quality management system for the design, manufacture, installation, maintenance, service, hire and recalibration of analytical equipment for use in environmental monitoring. Please visit the ISO website for further information.
Click here to view the Geotech ISO 9001:2008 certificate.

Conflict minerals policy

Geotechnical Instruments (UK) Ltd is committed to complying with the Dodd-Frank Wall Street Reform and Consumer Protection Act 2010, by requiring our supplier to disclose whether any minerals contained within the products they provide Geotech has, originated in the Democratic Republic of the Congo or an adjoining country and, if so, to provide a report describing the measures taken to exercise due diligence on the source and chain of custody of those minerals.  Conflict minerals refers to gold, tin, tantalum and tungsten and is often referred to as 3TG.

Summary of Geotech equipment certifications
GA5000 Y Y Y Y Y
GEM5000 Y Y Y Y Y
Dipmeters Y (1)        
Interface meters Y        
GA3000 PLUS Y Y (2)


1 Geotech also supply dipmeters that are NOT ATEX certified - please confirm your requirements at time of ordering.

ISO17025 (UK = UKAS, USA = NIST)

Non-instrument specific accreditations

ISO9001:2000 (BSI)

Contact us

To discuss our certifications please contact us by calling +44(0)1926 338111 or email sales@geotech.co.uk