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IEC 61468-2021 pdf free download - Nuclear power plants – Instrumentation systems important to safety – In-core instrumentation: Characteristics and test methods of self-powered neutron detectors. This document applies to in-core neutron detectors，viz. self-powered neutron detectors(SPNDs),which are...

IEC 61468-2000 pdf free download - Nuclear power plants — In-core instrumentation — Characteristics and test methods of self-powered neutron detectors. SPNDs may be located in the reactor core as single elements，or more typically，inassemblies of several units...