4 Gas

Four-gas monitoring is the standard for confined space entry and general industry personal protection across Australian and international worksites. The four gases, combustible gas (LEL), oxygen, carbon monoxide and hydrogen sulphide, are the most common combination of hazards in tanks, vessels, sewers, utility pits, storage facilities and a broad range of industrial environments. A 4-gas detector gives workers visibility of all four at once, in a single instrument worn throughout the shift. Gastech supplies a strong range of 4-gas detectors from leading brands. The Ventis MX4 by Industrial Scientific is a workhorse confined space monitor with a reputation for reliability, a robust housing and iNet compatibility for fleet management. The BW Flex 4 from Honeywell offers flexible sensor configurations, with IntelliDoX docking station compatibility for streamlined fleet compliance. The GX-3R and GX-3R Pro from Riken Keiki are compact, feature rich 4-gas monitors with some of the longest battery runtimes in their class.

Choosing the right 4-gas detector for your site depends on the environment, the size of the fleet, whether wireless connectivity or docking station management is required and how the instruments will be maintained. Our technical team has experience with all of these instruments across Australian industry and can help you make the right selection for your application.

Every 4-gas detector we supply is backed by our in-house service and calibration team, with offices across WA, NSW and QLD. We also supply and support customers internationally.

For guidance on confined space gas monitoring requirements in Australian workplaces, refer to Safe Work Australia.