Radiation Monitoring Systems

Quality. Reliability. Service.

Since 1965, GA has delivered qualified, safety-related and non-safety related Radiation Monitoring Systems (RMS) for the nuclear power industry. Our RMS products are designed and manufactured in the U.S.A. We work closely with each customer to customize systems to meet specific facility requirements, while ensuring conformance to the industry’s highest levels of quality and safety standards.

With systems in operation at over 125 sites worldwide, customers can rely on General Atomics Electromagnetic Systems (GA-EMS) to provide a lifetime of uninterrupted service and support for every RMS product we deliver.

Process Monitors

  • Liquid
  • Noble Gas
  • Particulates
  • Iodine
  • Off-line
  • In-line
  • Adjacent to line

Area Monitors

  • N-16
  • G-M Tubes
  • Ionization Chambers
  • In-Containment
  • Adjacent-to-Line
  • Main Steam Line Monitors

Control Room Indicators

  • Multi-channel
  • Single channel
  • Digital
  • Analog
  • Safety and non-safety related

Supervisory Computer Systems

  • Data acquisition
  • Alarm outputs
  • Trending
  • Diagnostics


  • Calibration Sources & Services
  • MI-2080 Maintenance Interface Software Kit

    Provides maintenance and troubleshooting functionality, and graphical displays of data and data analysis.




Our quality assurance program ensures systems fully comply with:

  • 10CFR50, Appendix B
  • ISO 9001:015/AS9100:2016
  • NQA-1 (2008) and NQA-1a (2009)
  • ANSI N45.2, including applicable daughter standards
  • Environmental – IEEE 323
  • Seismic – IEEE 344
  • Regulatory Guide 1.97

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