Geotechnical Instruments (UK) Ltd was founded in 1976, to design, develop and manufacture instrumentation systems to meet the growing needs of the Civil Engineering industry. The company's core products form a wide range of instrumentation aimed specifically at the Geotechnical section of the civil engineering market. Keison Products now offer a vast range of such specialist instrumentation which can measure almost every Geotechnical parameter imaginable.

The GA series of gas analysers is now the accepted industry standard for landfill gas monitoring.

Geotechnical Instruments have become experts at the art of measuring landfill gas composition accurately and have a vast amount of knowledge in this market area.

Landfill Analysers

GA2000

GA2000 Plus

Biogas Check

GEM 2000

GEM 2000 Plus

Phoenix Landfill Temperature Profiler

Obsolete Analysers

GA25 / GA45 / GA45 Plus / GA94

Crowcon specialises in developing, manufacturing and marketing innovative, reliable and cost-effective flammable and toxic gas detection equipment. Crowcon started trading in 1970 and has constantly been a world leader in the field with products made for safety and environmental monitoring needs.

The products are sold throughout the world, serving oil, gas and petrochemical companies, public utilities, clean water and sewage treatment companies, fire brigades, construction companies and other organisations where accidental leakage of gas or vapour can become a toxic or explosive danger.

Gas-Tec

Laser Methane

Laser Methane Mini (LMM), with ATEX approval - Coming Soon!

Keison Products are proud to offer a new range of handheld PID devices for toxic and combustible gas detection, as well as photoionisation detection.

PhoCheck+ is a PID, where as the FirstCheck is also a PID, but for a little extra you can have four additional sensors for Oxygen, Combustible Gases (LEL), Carbon Monoxide and Hydrogen Sulphide.

These instruments give resolution to 0.1ppm and measure up to 10,000 ppm.

Firstcheck

Phocheck