Trusted Manufacturer of industrial gas detection products | Made in USA



Calibration Technologies, Inc (CTI) is a leading manufacturer of gas detection equipment for industrial facilities. Our products are manufactured in Columbia, MO and most can be shipped same-day to locations around the world. CTI was founded in 2004 and our engineers and technicians have over 30 years of experience in gas detection equipment design, sales, and field service.

CTI specializes in the detection of Ammonia, but also provides sensors for other toxic and flammable gases such as Carbon Dioxide, Carbon Monoxide, Hydrogen, Methane, Hydrogen Sulfide, Chlorine, Halocarbons and many others. Our mission is to protect people and protect property by building the best gas detection systems in the world.

Our customers include food processing plants, cold storage facilities, rendering plants, power plants, sea vessels, parking garages, ice rinks, chemical plants, pharmaceutical plants, first responders and more.

Our sensors are made to stand up to extreme conditions and will function in spite of extreme temperatures, moisture, off gassing, chemical spray downs, and high-pressure washdowns. Each and every sensor must pass a rigorous testing process and comes with a two-year warranty.

Our service technicians provide on-site calibration services, in addition to equipment start-up and commissioning, which includes certified documentation that will satisfy regulatory agencies and inspectors. We also have an in-house service department for certified calibration of all makes and models of fixed and portable gas detectors.