DynAmp designs and manufactures high-accuracy current measurement, power conversion measurement, monitoring, and protection systems for electrolytic and electro-industrial applications. Its offerings include current measurement systems, rectifier monitoring and protection systems, isolators, shunts, integrated instrumentation, custom systems, and related installation, calibration, repair, rental, training, and support services.
ISO 14001 Certification
ETI PrecisionSince 1994, ETI Precision has calibrated, repaired, and sold test-and-measurement equipment while manufacturing its own high-current circuit-breaker testers and variable power supplies. Its ISO/IEC 17025:2017-accredited team provides on-site calibration in all 50 states, bringing specialized expertise to high-current and high-voltage equipment while helping customers limit downtime. ETI Precision is part of the Accredited Labs network and also holds ISO 9001:2015 accreditation.FREDERICK, MD
Gamry InstrumentsSince 1989, Gamry Instruments has made electrochemical research equipment, including potentiostats and related measurement systems, from its Warminster, Pennsylvania base. Its instruments are used to study processes ranging from corrosion and battery performance to fuel cells and sensors, while a team of electrochemists and engineers provides application guidance and data-analysis support. Gamry also supports high-power testing through its Kolibrik partnership and offers systems capable of simultaneous impedance measurements across fuel-cell and electrolyzer stacks.WARMINSTER, PA
Powertek UK LtdFrom its Reading base, Powertek UK Ltd designs and manufactures electrical power-measurement instrumentation for AC and DC systems, including a distinctive range of high-frequency current probes, power analyzers and calibration equipment. Its CWTUM Rogowski probe is slim enough to fit between the legs of a TO220 semiconductor, reflecting the company’s focus on demanding power-electronics and test applications. Powertek also provides UKAS-traceable calibration, technical support and small-batch PCB assembly through a worldwide distribution network.HOLBROOK, NY
Ohio Semitronics, IncSince pioneering the first Hall Effect electrical measurement devices in 1964, Ohio Semitronics has designed and manufactured custom electrical measurement devices and transducers in the United States. The company turns difficult measurement requirements into working prototypes in as little as three weeks, and has supplied more than 400 measurement devices for over 300 surface and subsurface vessels, along with other defense systems. Ohio Semitronics is an ISO 9001:2015-certified, ITAR-compliant manufacturer with NIST 800-171 certification.HILLIARD, OH