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Hazardous Gas Monitoring Specialists

The leading manufacturer of gas detection and hazardous gas monitoring equipment for over 40 years.
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Welcome to Armstrong Monitoring

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 over 40 years we have proudly helped our clients adapt to the growing demands of both the gas detection and monitoring industry and the environment

Product Manuals

Looking for a manual for your new gas detection system, or for one of our legacy products? Our Resource Center contains manuals for all of our current products as well as most of our older equipment.
View Product Manuals

Book a Technician

Regular maintenance is an critical part of ensuring a properly functioning gas detection system. Click here to request your preferred time for your next service visit with one of our expert technicians.
Book a Technician


Wondering what equipment to use in a given application? Our helpful application guides will get you pointed in the right direction, with products recommendations and a detailed explanation of the hazards.
View Applications


Not sure what equipment to use for a specific application or gas? Check out our applications guides below for our standard recommendations, or contact us for more information.

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Our Design Philosophy

Through our design philosophy of “innovation through application” we have succeeded in bringing an extremely versatile product line of gas detectors and gas monitoring sensors to market. We have worked diligently to ensure that our products not only optimize safety, but also maximize energy savings through reduced ventilation costs.

40 Years of Experience

By combining our years of experience with inherently flexible gas detection products we are able to support one of the broadest arrays of gas detection and hazardous gas monitoring applications in the industry. From gas detection and monitoring in small commercial parking or service garages, to large pharmaceutical and petrochemical facilities, Armstrong Monitoring has the equipment and the expertise to ensure you have the most appropriate solution for your application.


Armstrong Monitoring offers a wide variety of gas monitoring equipment including monitors, systems, transmitters, sensors, and accessories.

Introducing AMC-UTx

Rethinking Gas Monitoring.

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Standalone Monitors
Standalone systems that provide economy and ease of installation for vehicle exhaust applications.
View Standalone Monitors
Our central monitors are designed to work with all AMC transmitters, and can be sized and configured to fit almost any job.
View Monitors
Sensors & Transmitters
We offer a wide array of highly configurable sensors and transmitters using proven analog and the latest digital technologies.
View Sensors & Transmitters
Accessories designed to work with Armstrong equipment, ranging from calibration kits to remote alarm modules.
View Accessories



How can Armstrong Monitoring help you?

Contact Us
Armstrong Monitoring
215 Colonnade Road South
Ottawa, Ontario, Canada
K2E 7K3
Toll Free: 
1 800 465 5777
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