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PMK | High-Voltage Devices

ROSS ENGINEERING Corp. USA

ROSS Engineering Corp. USA is a globally trusted manufacturer of high voltage measuring instruments, control systems, and safety accessories — now made available worldwide through PMK..

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  • Specification

ROSS Engineering Corp. USA delivers specialized solutions for high voltage measurement, control, isolation, and protection, supporting voltages from a few kilovolts up to hundreds of kilovolts. Known for innovation and safety, ROSS offers key devices used in aerospace, rail, energy grids, and semiconductor test environments.

Their diverse portfolio includes spark gaps, Hi-Z™ voltmeters, fiber optic systems, high voltage relays, corona-free resistors, rotary switches, and test load systems — all engineered for accuracy, reliability, and safety in critical testing applications.

Users can request custom-built devices and download product worksheets to configure specific models. ROSS also supports industry-specific adaptations, including accessories for extreme temperatures and isolated systems.

  • ISO-compliant high voltage control and safety systems

  • Over 60 product categories for test, protection & monitoring

  • Custom configurations available via downloadable worksheets

  • Seamless integration into laboratory, industrial, and utility setups

  • Distributed globally via PMK’s technical sales network

Parameter Range / Options
Input Voltage Range Up to 400 kV DC / 300 kV AC depending on product
Bandwidth / Response Time From DC to >100 MHz (model-specific)
Current Handling Up to hundreds of amperes (e.g., relays, switches)
Accuracy 0.1% to 1% depending on product category
Safety Certifications IEEE, IEC, CE, ISO standards compliant
Output Types Analog, Fiber Optic, Mechanical, Digital, BNC
Product Lifespan Typically >10 years under lab or field use
Operating Temperature Range -40°C to +85°C (environment-dependent models)
Mounting / Form Factor Handheld, Panel, Rack, or Custom Housing
Accessory Compatibility Universal: clamps, corona nuts, HV cables, shields