The power range PRM 502™ monitor forms part of the digital Neutron Flux Monitoring Systems (NFMS) proTK™ product line.
It is used in BWR type reactors in combination with fission chambers for in-core neutron flux monitoring in the power range and the signal processing units DSK 250 and DMK 250 channels.
The DSK 250 processing unit has been designed and is qualified (hardware and software) to provide the flux density for each detector position, i.e. perform the functions of a “Local Power Range Monitor” (LPRM).
The associated DMK 250 processing unit calculates the average and flow related flux signal, i.e. functions as an “Average Power Range Monitor” (APRM).