Work with a world leader in fission chamber design and manufacture.

Reuter-Stokes engineers have been designing nuclear instrumentation for more than 50 years, including decades of experience with fission chambers. Our ex-core fission chambers and movable in-core (MIC) sensors deliver:

  • Reliability: With hundreds of fission chambers installed in PWR plants around the world, our products have a record of excellent operational performance and precision, even in the harshest environments.
  • Customizability: We offer safety-related guarded and unguarded fission chambers, along with electrical connectors and mineral-insulated signal transmission cables (coaxial and triaxial). We can customize our catalog to suit your specific needs.
  • Value now and over the long term: We offer industry-leading technical support in addition to rapid order-to-delivery times.


Find Your
PWR Solutions...

Medium Green

Ex-Core Fission Chambers for PWR BHCS14813A

Medium Green

Reuter-Stokes MIC Neutron Detectors for Pressurized Water Reactors

Medium Green

Ex-Core Fission Chambers

  • State-of-the-art U.S.-based manufacturing facilities ensure consistently
    high quality
  • Designed and built
    for modern PWR
    plants worldwide
  • Available in a range of sizes, sensitivities, guarded/
    unguarded configurations, electrical terminations and safety-related designs
  • Remote and on-site post-sale technical support and service
Medium Green

Moveable-in-Core (MIC) Detectors

  • Thermal neutron flux mapping between fuel bundles
  • Compatible with
    installed systems
  • Eliminates variation at temperature from gas expansion for a precise, reliable, and repeatable signal
  • Designed to work over a
    wide range of temperatures
    to reduce replacement frequency


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