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PRM 510™

Power Range Monitor

Neutron flux monitor for reactor power operation.

Tag Features

  • Modular design, highly customizable
  • Operated with up to two B-10 lined neutron ionization chambers
  • Individual signal paths for the two ionization chambers
  • Calculation of mean value, axial deviation and linear rate (of change)
  • Independent calibration of output signals (nv, %FP)
  • Optional signal filtering with fixed time constant
  • Generation of analog signals with linear scaling, binary alarms, trip and status indication signals
  • Fast response times (< 15 ms, without filtering)
  • Integrated test signal generators and simulation capabilities
  • Secured serial interface
  • Qualified for Category A functions (Class 1 systems) acc. IEC 61226


At the heart of the PRM 510 power range monitor resides the DGK 260™ digital power range signal processing unit that belongs to the Mirion proTK™/260 series of signal processing units for safety critical applications.

The DGK 260 channel can be used with up to two neutron ionization chambers and provides fast linear signals proportional to the reactor power.

Hardware and software of the PRM 510 monitor are designed and qualified for use at the level of the reactor protection system.

With the PRM 510 monitor, Mirion provides the complete neutron monitoring system for the power range from the neutron detectors to the safety signals for reactor protection and control.

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