Choose Your Application
Select a reactor type or application area to see which Exosens detectors are relevant to your program
Nuclear Power Plants
Trusted sensors for safer reactors. Reliability at the core.
Applications
• Reactor protection systems (shutdown, start-up, normal ops)
• Core power mapping & flux profiling
• Boron concentration monitoring / Clad failure detection
Detector Families
• Proportional counters
• Ex-core fission chambers
• Compensated ionization chambers
• Uncompensated ionization chambers
• Miniature Fission
• Boron-Lined proportional counters
Advanced & Small Modular Reactors
Future-ready solutions.
Applications
- High-Temperature Start-Up and Clad-Failure System
- High-Temperature Power Monitoring
Detector Families
Fusion Research
Engineered for the Fusion Frontier
Applications
- Neutron Flux Monitoring
- Plasma Characterization
- Signal Transmission
Detector Families
- Miniature & Standard Fission Chambers (For Thermal Neutron Detection)
- Fission Chamber (Fast Neutron Detection for Collimated Beam)
- Coaxial and Triaxial Mineral Insulated Extensions
Exosens Nuclear Instrumentation presentation 2025
Proof & Credibility
European-proven. U.S.-ready. The instrumentation heritage behind Exosens—built on Photonis and Centronic—spans eight decades and hundreds of reactor programs globally.
80+ years of nuclear heritage
Built on the combined expertise and innovation of Photonis and Centronic, two of the original pioneers in nuclear detector technology. Our sensors have been trusted by utilities and operators worldwide since the earliest commercial reactor programs.
200+ Reactor Installations
From in-core fission chambers to ex-core monitoring systems, Exosens detectors are operating in reactor programs across Europe, Asia, and beyond.
Certifications & Standards
Fully certified for nuclear-grade quality requirements.
NQA-1 • ISO 9001 • ISO 19443 • RCC-E • ASME • HAF604
Detector Capabilities
Explore our in-house manufacturing, testing, and calibration capabilities, and see how we engineer solutions for environments that push sensors to their limits.
Talk to a detector specialist
Whether you're specifying instrumentation for a new reactor program or replacing detectors on an operating plant, we'll help you find the right solution. No generic quotes, no runaround.
About Exosens
Exosens is a European leader in high-end electro-optical technologies, delivering advanced solutions across a wide range of critical applications. Through a unique combination of amplification, detection and imaging expertise, Exosens supports industries requiring high performance, precision and reliability in complex environments.
From night vision and LIDAR to nuclear detectors and radiation protection — we apply the same principle: reveal what is invisible, and make it measurable. Our nuclear division builds on 80+ years of heritage from Photonis and Centronic, delivering sensors for the world’s most demanding
