Flame and Gas Detection Products

The Industry’s Trusted Supplier for Nearly 40 Years.

Facilities managers from around the world have trusted Sierra Monitor to protect their people. For nearly 40 years, Sierra Monitor has built, maintained and supported flame and gas detector systems that meet or exceed the very highest global standards.

Protection from gas hazards is not a one-size-fits-all proposition. Systems must be designed to provide the appropriate level of protection and response commensurate with the risk level and the resources available to install and manage the system. Sierra Monitor’s Sentry IT fire and gas detection solution includes standalone sensor modules that can be integrated into the user’s safety and control system, controller based systems with extremely flexible logic for customized response, and enterprise wide systems that incorporate Industrial Internet of Things (IIoT) functions such as network connectivity, web-server graphics capabilities, and cloud data analytics.


Get Certified with SMC University!

Sign up for any of our upcoming Sentry IT Certification Training courses to learn more about detection principles, sensor technology, safety systems standards, and equipment selection and maintenance practices.


Sentry IT branded controllers, sensor modules, and software are installed at thousands of facilities, from such as natural gas vehicle fueling and maintenance stations, wastewater treatment plants, oil and gas refineries and pipelines.

Certifications and Standards

Sierra Monitor’s industry leading flame and gas solutions are held to the highest standards, with approvals from Nationally Recognized Testing Lab (NRTL) and other certifying organizations.