DAK 250™ Digital Start-up Channel
Neutron flux monitoring in the pulse and intermediate range in combination with pulse detectors.
Neutron flux monitoring in the pulse and intermediate range in combination with pulse detectors.
PRM 501™
Power Range Monitor
Power range monitor used with neutron ionization chamber for ex-core neutron flux monitoring.
Features
- Qualified to perform category A functions, according to IEC 61226 and KTA 3505 (for safety related instrumentation)
- Seismic qualification (IEEE 344 and KTA 3505)
- Two signal paths for two neutron ionization chambers
- Short response time < 20 ms
- Calibration to neutron flux signal or reactor power (nv, P/Pn)
- Calculation of the top flux, bottom flux, flux average value and flux deviation
- Linear analog outputs
- Generation of analog and binary outputs for the reactor protection system
- Built-in test signal generators (remote activation possible)
Description
The power range PRM 501 monitor forms part of the digital Neutron Flux Monitoring Systems (NFMS) proTK™ product line. It is used, in combination with neutron ionization chambers (B-10 detectors) for ex-core neutron flux monitoring in the power range.
The associated DGK 250™ processing unit, has been designed and is qualified (in hardware and software) to meet category A requirements, applicable at the level of the reactor protection system.
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