Our operational experience shows that our proprietary manufacturing processes are the best qualified for in-core sensors in severe environment thanks to:
- High radiation resistance
- High chemical resistance
- High precision internal construction
- Uniformity of geometry along cable length
In-Core thermocouple sensors
Applications:
- Temperature measurement of fuel outlet
- Radial distribution of core temperature
- Protection against nucleate boiling on fuel
Key parameters:
- Raw material selection and sensor manufacturing processes determined by operational experience
- Sensor design can comply with ASTM E 235
- Dimensions according your specification
- Same thermoelectric raw material along measurement chain to avoid coupling and interference.
Product features :
- Type K thermocouple and associated ceramic metal connectors
- Mineral insulated extension cables
- Soft extension cables
- 1E qualified: safety related
- Accident “proof”: operable even after accident
SPND : Self Powered Neutron Detector
- Continuous 3D core condition representation
- In-Core neutron flux sensors
- SPND
- Self-Powered Neutron Detectors
Applications
- Flux mapping, reactor power density
- Continuous 3D core condition representation
Key parameters:
- High reproducibility due to manufacturing process
- No need for calibration so sensors not activated
- Predictable burnup rate
- Low sensitivity to gamma radiation
- Available with MgO or Al2O3 insulation material
- Dimensions according your requirements
Product features:
- Linear (continuous sheath for emitter and extension cable) or modular construction available
- Linearity of signal versus reactor power
- No need for power supply
- Operating temperature permits use in Gen 4 reactors (far above 350°C)
SPGD : Self-Powered Gamma Detector
Applications
- Gamma dose rate measurement in research reactors
Key parameters:
- High flux / high dose compatible
- Self-powered: no power supply
- Signal proportional to gamma field. Sensitivity in the range of 20pA / (kGy/h)
- Short response time
Product features:
- Outer diameter 3.2 mm, short length: small dimensions compared with other sensors.
- Patented solution CEA / SCK•CEN exclusive license
Fast response ex-core temperature sensors
Applications
- Safety systems for containment temperature monitoring: air and water
- Spent fuel storage temperature monitoring
Key parameters:
- Sensor design based on your specifications and our qualified configurations
- Wide range of configurations
- A solution to manage obsolescence of an existing design
Product features:
- Rtd sensor (Pt 100) with fast response time
- High insulation resistance values versus temperature
- Sensitive heads and connectors tested up to 1MGy
- Vibration and seismic test data available