DeFelsko Corporation is a U.S. manufacturer of coating thickness gages and inspection instruments. It manufactures instruments for coating thickness, surface profile, environmental conditions, salt and dust contamination, adhesion, gloss, hardness, wall thickness, concrete moisture, oven profiling, pinhole and holiday detection, and related inspection applications.
NIST-traceable calibration
Compliance program
PTB-traceable calibration
Compliance program
ERICHSEN GmbH & Co. KGFounded in 1910, ERICHSEN GmbH & Co. KG in Hemer develops and manufactures measurement and testing equipment and machines, with a particular reputation for testing technology used by the coatings industry. Its work spans sheet metal, surface, corrosion and materials testing, while its DIN EN ISO/IEC 17025:2018-accredited laboratory also calibrates equipment from ERICHSEN and other manufacturers.WESTLAKE, OH
NDT International, IncOperating under the same ownership and at the same location since January 1971, NDT International, Inc. designs and supplies nondestructive testing instruments and provides related technical services. The West Chester company began as a manufacturer’s representative and supplier of ultrasonic personnel, later developing patented monitoring equipment and instruments used by nuclear facilities and the U.S. Navy. Today it pairs its own U.S.-made ultrasonic gauges and flaw detectors with equipment from more than 20 partner companies, along with calibration, consulting and inspection support.334519WEST CHESTER, PA
Nielsen-Kellerman CoBorn in 1978 from a rowing coach’s request, Nielsen-Kellerman designs and builds rugged measurement instruments and performance electronics for outdoor and technical work. The Boothwyn manufacturer remains committed to U.S. production, assembling, testing, and calibrating products such as its Kestrel weather meters and NK rowing systems for customers ranging from wildland firefighters to Olympic athletes. Its 25,000-square-foot Pennsylvania facility is also home to brands expanded through acquisitions, including RainWise and MagnetoSpeed.334519BOOTHWYN, PA
CHLOR*RID ProductsHouston-based CHLOR*RID Products manufactures surface decontamination and passivation products, along with field testing kits that detect soluble salts and chlorides before protective coatings are applied. Since 1992, the company has served the protective-coatings industry with products such as CHLOR*TEST, including a dedicated kit for testing abrasive contamination, and provides technical support for their use. CHLOR*RID Products operates as a product group of Corrosion Innovations.WESTLAKE, OH