Share on Image Our Nuclear Instrumentation team designs and manufactures Neutron and Gamma Detectors for extreme environments. Photonis is a leader in the design and manufacturing of reliable detectors dedicated to the Safety of the Nuclear Core. Photonis detectors are present on all the French Nuclear Power Plants as well as customized Research Reactors. We have unique detector technologies compatible with different reactor types and environments such as high level of radiation, high temperature, high external pressure and LOCA (Loss Of Coolant Accident) and post LOCA protection. Assure your safety As a 1E, Safety critical, component supplier, Photonis defines your safety as its overriding priority. The Nuclear Instrumentation staff answers to a Quality Management program that uses both training and independent inspections. This QM program guarantees that you always get safety class components for your systems. The Nuclear Instrumentation team is organized according to ISO9001. Product and supporting documentation are delivered according to your nuclear manufacturing standards such as IAEA50-C-G / KTA1401, RCCE (EDF rules), ASME, HAF604. Solutions Reactor Building Instrumentation Research Reactors Instrumentation Fuel Reprocessing Monitoring and Waste Management Photonis and future Generations Photonis detector solutions are also present in safety-critical systems on many research reactors in France and Worldwide. Thanks to this strong link with research (CEA) and extensive operational experience on Generation II reactors, Photonis has developed instrumentation that fits for the challenges of Generation III (EPR) and IV (Astrid, HTR) reactors. Contact Nuclear Instrumentation Image Start-up range, gen. II and III PWR instrumentation Boron-lined proportional counters are delivered with adapted neutron sensitivities from 5 c.s-1/n.cm-2.s-1 up to 42 c.s-1/n.cm-2.s-1 for the new CPNB84 type. Image In-core monitoring, gen. II PWR instrumentation Fission chambers for in-core monitoring of reactor fuel burn-up are moved inside monitoring channel by a specific propulsion cable. Image Fuel loading, gen. II and III PWR High sensitive boron lined proportional counters, CPNB64 type, are placed at proximity of the core during fuel loading for detection of possible mistake during operation. Image Boron concentration measurement, gen. II and III PWR Measuring system consisting of instruments and other components intended for boron ... Image Wide-range, BWR instrumentation Special wide-range version of the CFUE32 fission chamber operates in pulse mode during start-up and in fluctuation mode in intermediate range up to full power. Image Wide-range, PWR instrumentation LOCA and post LOCA high sensitive and wide-range fission chambers are installed in PWR blocs covering 11 decades from the cold reactor start-up to the full power range. Image Upgrading – VVER Adapted fission chambers and boron-lined proportional counters are selected for the upgraded safety instrumentation of the VVER Image Gen. IV instrumentation A range of high temperature (600 °C) and extreme environment fission chamber are developed for Gen. IV instrumentation. Image Reactor building signal transmission In severe operating conditions, coaxial and triaxial mineral insulated cable extensions are designed for pulse and/or current signal transmissions. Image Research reactor protection Most research reactors in France rely on Photonis fission chambers and boron-lined proportional counters. Image Research experiments Photonis has developed subminiatures fission chambers for measurements close to the neutron source. Image Fuel Reprocessing Monitoring and Waste Management Nuclear fuel reprocessing and waste management involve the detection, the storage, the recovery of fissile material (plutonium and enriched uranium) and the separation of waste products.