Oliver IGD are a UK based company, specialising in gas detection instruments, gas safety, and gas analysis. Formally known as Richard Oliver Ltd, the Company changed its name to Oliver IGD to embrace its former division, ......Oliver IGD are a UK based company, specialising in gas detection instruments, gas safety, and gas analysis. Formally known as Richard Oliver Ltd, the Company changed its name to Oliver IGD to embrace its former division, International Gas Detectors or IGD. International Gas Detectors have been leaders in gas detection technology for over 65 years and IGD gas safety products and gas monitoring equipment are found worldwide. Oliver IGD also provide air monitoring and flue gas monitoring. Gas analysis and monitoring equipment are produced to sample and measure gaseous emissions from internal combustion engines and processes. One example of our products is the K9000, an OIML Class 1 emission analyser, approved for UK MOT testing. For all gas detection, gas analysis, or gas monitoring needs, Oliver IGD Ltd offers a wide and versatile product range. All our gas monitoring equipment and gas safety products are manufactured in the UK. The full range of spares for our gas detection instruments are available directly through Oliver IGD or via our distributor network. For further information on our products, you may download the PDF files from each product section.