As a leading manufacturer of gas detection and hazardous gas monitoring equipment, our commitment to ensuring safer environments, healthier air, and reduced environmental impact has helped forge our reputation as a trusted gas monitoring and detection solution provider with global reach. For nearly 35 years we have proudly helped our clients adapt to the growing demands of both the gas detection and monitoring industry and the environment.

Driven by a philosophy of "innovation through application", we design and manufacture a highly versatile product line using the most reliable sensing technologies available. Intrinsic adaptability combined with a wide variety of gas sensor options means that Armstrong Monitoring systems can be tailored to meet the requirements of almost any application. From mines to refineries, naval vessels to schools, automotive dealerships and parking garages to municipal water/sewer facilities, Armstrong Monitoring has the solution for your gas detection requirements.

Armstrong's diverse product line features equipment designed to detect and monitor an extensive list of gases including CO, NOx, O2, and combustible gases such as hydrogen, propane, methane, and methanol, plus a variety of exotic species. Equipment choices range from simple, building block sensor elements and transmitters, to complete, integrated, turnkey systems.