PJ Electronics, Inc. has designed and manufactured high-frequency, high-voltage surge testers since 1969. The Pittsburgh-area company specializes in testers for evaluating turn-to-turn insulation in coils and windings, and offers models with outputs ranging from 6 kV to 60 kV. Its equipment is used worldwide for motor, generator, transformer, and winding testing.
IEEE Standard 522-1992/2004 voltage rise-time specification
Compliance program
NIST-traceable factory calibration
Registration
NISTTRACEABLECALIBRATION
Quality certification
High Voltage, IncFrom its Hudson Valley factory, High Voltage, Inc. designs and manufactures portable high-voltage test equipment used to check electrical cables, apparatus, and rotating machinery. The company brings three generations of engineering experience to a vertically integrated 27,000-square-foot operation in Copake, where it produces and services more than 1,000 instruments a year for customers worldwide. HVI has made equipment for the rotating-machine industry since 1998 and supports its products with factory technical assistance.COPAKE, NY
Phenix TechnologiesBased in Accident, Maryland, Phenix Technologies manufactures high-voltage, high-current and high-power test systems and components for electrical equipment testing. Its custom AC resonant systems are designed for field or laboratory use, with ratings from 15 kV to 2 million volts, while its motor test systems extend to machines rated at 50,000 horsepower. Doble acquired Phenix Technologies’ assets, bringing the manufacturer into its broader electrical testing portfolio.ACCIDENT, MD
Pine Instrument CompanyFounded in Grove City in 1962 by electrical engineer Ted Hines, Pine Instrument Company has grown into a vertically integrated family of businesses making electrochemical research instruments, material-testing equipment, and electronics through three independent divisions. Now led by Ted’s son Joe, the Pine companies employ more than 100 people and combine machining, engineering, electronics assembly, and internal supply-chain resources under one roof. Their work serves customers worldwide, while the operation retains the scale and family-like character of a Pennsylvania manufacturer.GROVE CITY, PA
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