Gas Detection Systems



Check out the Wingman F1

Shop Gas Detection Products

Fixed Gas Detectors

GG-NH3 Ammonia Sensor

Portable Gas Detectors

Wingman F1


Horn Strobe 24vdc


MVE Gas Detection Controller

Industry-Leading Gas Detection Manufacturers

Calibration Technologies, Inc (CTI) is a leading manufacturer of gas detection systems and equipment for industrial facilities. We’re a gas detector manufacturer that prioritizes quality, accuracy, reliability, and customer satisfaction. Regardless of your specific applications or needs, our expert team has the ideal industrial gas sensors to fit your requirements. Not sure which industrial gas detectors are right for you? Please feel free to contact us today, and let us assist in your purchase!

At CTI, we make our gas detection systems in Columbia, Missouri, and most of our products can be shipped the same day to locations around the world. Discover the benefits of industry-leading quality products, and order your premium gas detection products today.


Calibration Technologies, Inc.

Protecting People. Protecting Property.

Customer Service Always Wins

Our Sensors Thrive Where Others Fail

Built to Prevent
 False Alarms

Expert Knowledge of Codes and Standards

Quality Products. 
Comprehensive Solutions.

CTI products are designed to keep your facility safe, efficient, and compliant. Learn more about how CTI designs its detection systems.

How it works


Professional Maintenance.

We provide timely and routine service and maintenance 
on all CTI products.

Field Service

Let our technicians do the work for you. A trained CTI technician will travel to your plant to service your gas detection equipment.

Gas Service

In-House Service

Send in your gas detection equipment and CTI’s technicians will perform in-house sensor calibrations, repair, and replacement.

Calibration Service

Get Started

Learn more about which products will work best for your facility.

Who We Serve


Food Production

Food Production
Cold Storage Gas Detection

Cold Storage

Cold Storage
Bottling Industry Gas Detection




Fishing Vessel

NH3 Powered Ships

NH3 Maritime Fuel
Meat Processing

Meat Processing

Meat Processing
Fishing Vessel Gas Detection

Fishing Vessels

Fishing Vessels
Ice Rink Gas Detection

Ice Rinks

Ice Rinks
Vehicle Depot CTI Gas Detection

Vehicle Depots

Vehicle Depots

Trusted Across the Globe