About DeFelsko

DeFelsko Corporation, a leading U.S. Manufacturer of coating thickness gages and inspection instruments, has been delivering Simple, Durable and Accurate gages since 1965. Family owned and operated in Northern New York, their state of the art facility houses research, development, manufacturing, quality, sales, training and service departments.

Over the years, DeFelsko has pioneered many technologies including the first combination ferrous/non-ferrous gage to automatically recognize the substrate and take a measurement and the first hand-held ultrasonic coating thickness gage for non-metal substrates including plastic, wood and concrete. 

Starting with the mechanical PosiTest FM and GM, DeFelsko has shown a commitment to excellence in manufacturing and after sales support. 

DeFelsko actively participates in several key organizations (SSPC, NACE, ASTM, ISO) to improve and promote the science of coating inspection. DeFelsko is recognized as a premier American manufacturer of quality inspection instruments.

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We have one main objective...

Use the most sophisticated technology available to make the job of measuring as simple and accurate as possible.

The result has been an unparalleled success...

At present, we have over 70 models of coating thickness gages and inspection instruments, used for a wide variety of applications in a broad range of industries - all vastly popular throughout the world.

Our gages are designed for the real world...

With unequaled handling characteristics and easy, trouble-free operation. They are simple to use and employ leading-edge technology. They come complete with a 30 day money-back guarantee.

DeFelsko offers service and expertise...

Our expert technical sales and support team has one goal: to provide a level of service that is above and beyond our customers' greatest expectations. Our staff is ready to provide advice by e-mail or phone. 

over 50 years of experience

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Please fill out the Sales Form for Sales related inquiries.
Map of New York with location call out showing Ogdensburg

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