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Shop by Model
Shop by Model
Shop by Model
Shop by Model
Shop by Gas
Shop by Model
Shop by Model
Shop by Model
Shop by Model
Shop by Model
Shop by Model
Shop by Gas
Shop by Model
Shop by Model
Shop by Model
Shop by Model
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Calibration Technologies, Inc (CTI) is a leading manufacturer of gas detection equipment for industrial facilities. Our products are manufactured in Columbia, Missouri and most can be shipped same-day to locations around the world.
Industrial Gas Detection
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
CTI products are designed to keep your facility safe, efficient, and compliant. Learn more about how CTI designs its detection systems.
WORRY-FREE SERVICE
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.
In-House Service
Send in your gas detection equipment and CTI’s technicians will perform in-house sensor calibrations, repair, and replacement.
Get Started
Who We Serve
Food & Processing
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Cold Storage
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Bottling
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Fishing Vessels
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Ice Rinks
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Vehicle Depots
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Trusted Across the Globe
