omni instruments | sensors and data acquisition equipment

Sales & Technical Support

Need Help?

Gas Measurement Instruments (GMI)

Gas Measurement Instruments (GMI) is a leading name in portable gas detection, trusted by gas utilities and industrial operators worldwide. As the number-one supplier of gas leak detectors to UK natural gas distributors and a major​​ player across Europe and North America, the brand has delivered over 300,000 high-quality instruments to demanding industries such as gas utilities, chemicals, shipping, brewing, construction, defence, nuclear, petrochemical, papermaking, refining and telecoms.

GT Series Portable Gas Leak Detector

GT Series Multi Function Portable Leak Detector

The GT Series has been designed for the gas industry and is suitable for a wide range of different gas monitoring application. The GT range provide a robust, user friendly handheld gas detector that can be used for leak testing, confined spaces, purging or as a gas sniffer. Hazardous Area..
View Product
GT-FIRE Series Portable Gas Leak Detector

GT-FIRE Series Multi Function Portable Leak Detector

The GT-Fire Series is a dedicated handheld version of the GT Series unit that has been designed specifically for use in the Fire Brigade and related gas detection. The GT-Fire allows Fire Fighters to conduct lead detection investigations themselves, without the need for specialised PPM detectors. The unit can also..
View Product

PS500 Multi Gas Detector

The Personal Surveyor (PS500 Series) is a robust and accurate portable gas detector that provides personal protection in confined space applications with audible and visual alarms in the event of exposure to dangerous levels of gases being detected. The PS500 unit can be fitted with any 4 of the 20..
View Product
PS200 Portable 4 Gas Detector

Personal Surveyor (PS200 Series) Portable Gas Detector

A robust and accurate portable gas detector the Personal Surveyor (PS200 series) provides the unrivalled protection in confined space applications with audible and visual alarms in the event of exposure to dangerous levels of gases being detected. The PS200 unit can detect and display CH4, O2, H2S and CO in..
View Product
GT Series Portable Gas Leak Detector

GT Series Multi Function Portable Leak Detector

The GT Series has been designed for the gas industry and is suitable for a wide range of different gas monitoring application. The GT range provide a robust, user friendly handheld gas detector that can be used for leak testing, confined spaces, purging or as a gas sniffer. Hazardous Area Approved ...
View Product
GT-FIRE Series Portable Gas Leak Detector

GT-FIRE Series Multi Function Portable Leak Detector

The GT-Fire Series is a dedicated handheld version of the GT Series unit that has been designed specifically for use in the Fire Brigade and related gas detection. The GT-Fire allows Fire Fighters to conduct lead detection investigations themselves, without the need for specialised PPM detectors. The unit can also include O2, CO and H2S gas monitoring to check if breathing aparatus should be used before entering a building or confined spaces. Units are supplied ...
View Product

PS500 Multi Gas Detector

The Personal Surveyor (PS500 Series) is a robust and accurate portable gas detector that provides personal protection in confined space applications with audible and visual alarms in the event of exposure to dangerous levels of gases being detected. The PS500 unit can be fitted with any 4 of the 20 'Plug and Play' smart sensors to detect and display any combination of gases and the optional internal sampling pump allows for pre-entry checking or remote ...
View Product
PS200 Portable 4 Gas Detector

Personal Surveyor (PS200 Series) Portable Gas Detector

A robust and accurate portable gas detector the Personal Surveyor (PS200 series) provides the unrivalled protection in confined space applications with audible and visual alarms in the event of exposure to dangerous levels of gases being detected. The PS200 unit can detect and display CH4, O2, H2S and CO in any combination and the optional internal sampling pump allows for pre-entry checking or remote sampling. ...
View Product

Gas Measurement Instruments (GMI) is a leading name in portable gas detection, trusted by gas utilities and industrial operators worldwide. As the number-one supplier of gas leak detectors to UK natural gas distributors and a major​​ player across Europe and North America, the brand has delivered over 300,000 high-quality instruments to demanding industries such as gas utilities, chemicals, shipping, brewing, construction, defence, nuclear, petrochemical, papermaking, refining and telecoms.

GT Series Portable Gas Leak Detector

GT Series Multi Function Portable Leak Detector

The GT Series has been designed for the gas industry and is suitable for a wide range of different gas monitoring application. The GT range provide a robust, user friendly handheld gas detector that can be used for leak testing, confined spaces, purging or as a gas sniffer. Hazardous Area..
View Product
GT-FIRE Series Portable Gas Leak Detector

GT-FIRE Series Multi Function Portable Leak Detector

The GT-Fire Series is a dedicated handheld version of the GT Series unit that has been designed specifically for use in the Fire Brigade and related gas detection. The GT-Fire allows Fire Fighters to conduct lead detection investigations themselves, without the need for specialised PPM detectors. The unit can also..
View Product

PS500 Multi Gas Detector

The Personal Surveyor (PS500 Series) is a robust and accurate portable gas detector that provides personal protection in confined space applications with audible and visual alarms in the event of exposure to dangerous levels of gases being detected. The PS500 unit can be fitted with any 4 of the 20..
View Product
PS200 Portable 4 Gas Detector

Personal Surveyor (PS200 Series) Portable Gas Detector

A robust and accurate portable gas detector the Personal Surveyor (PS200 series) provides the unrivalled protection in confined space applications with audible and visual alarms in the event of exposure to dangerous levels of gases being detected. The PS200 unit can detect and display CH4, O2, H2S and CO in..
View Product

CONTACT US

8:30am to 5pm Monday to Thursday
8:30am to 3pm on Friday.

A real person will answer the phone and deal with your enquiry.
You can also click the button below and fill in our online enquiry form.

Technical Sales

We are here to help

Need help with your products or have a question for us on our custom systems? Use the form below to send us a message and our experts will be in touch to help.

Call us on +44 (0)1382 443000