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GfG is a world leader in gas warning and measurement technology and specialise in the development and manufacturing of high quality, robust and safe gas warning systems and sensors. GfG manufactures a wide range of both portable gas monitors and fixed gas measuring systems, which are capable of detecting and measuring a large number of different gases.Our instruments can detect even the smallest gas leaks with highly sensitive and specific sensors to provide early warning for the protection of people and plant.


Custom-made Solutions

GfG products are designed for practically all applications where gas detection may be required, including: automotive, chemical and petrochemical, gas transmission and distribution, industry, shipping, power generation, food production, steel manufacturing, mining, nuclear energy, construction, landfill operation, water and sewage management, fire-brigades, rescue services, hospitals, research institutes and universities – in fact any area where people and plant need to be protected from gas hazards. GfG scientists work in close co-operation with leading research institutes, combining our 50 years of experience in gas detection with the latest technology to offer our customers the best solutions to their gas detection needs.

World-wide reach

GfG is a truly international company, able to support our customers worldwide.

GfG has manufacturing facilities in Germany, Switzerland, South Africa and the USA.

Further GfG sales and service centres are located in the UK, Austria, Poland and Singapore together with a world-wide distribution network.

GfG has grown strongly in recent years and now employs over 250 people world-wide.


Safety and quality are GfG’s top priority.

GfG is certified to ISO 9001:2008, as well as ATEX and IECEx QAR QM .

We seek continuous improvement to satisfy and exceed the requirements of our customers world-wide.