IEC 60532:2010
辐射防护仪表.固定式能量在50 keV和7 MeV之间X和γ辐射的剂量率仪、报警装置和监测仪

Radiation protection instrumentation - Installed dose rate meters, warning assemblies and monitors - X and gamma radiation of energy between 50 keV and 7 MeV

标准号

IEC 60532:2010

发布

2010年

中文版

GB/T 14054-2013 (等同采用的中文版本)

发布单位

国际电工委员会

当前最新

IEC 60532:2010

 

 

适用范围

This International Standard applies to installed dose rate meters, warning assemblies and monitors that are used to prevent or mitigate a minor radioactive release, or minor degradation of fuel, within the nuclear power plants /nuclear facility design basis, and to warn personnel or to ensure their safety during or following events that involve or result in release of radioactivity in the nuclear power plants (NPP) /nuclear facility (NF), or risk of radiation exposure. This equipment is typically classified as category “A” or “B” or “C” or “not classified” in IEC 61226. It covers equipment intended to isotropically measure air kerma, ambient dose equivalent or other exposure quantities due to X or gamma radiation of energy between 50 keV and 7 MeV. The equipment is intended primarily for the purpose of radiological protection, and may play an auxiliary or indirect role in the achievement or maintenance of nuclear plant safety. Instruments measuring over a more limited energy range fall within the scope of this standard provided they cover at least the range of 80 keV to 1,5 MeV. Assemblies of this type are commonly defined as area radiation monitors. They are normally employed to determine continuously the radiological situation in working areas in which the radiation field may change with time, for example nuclear power plants, particle accelerators, high active laboratories, fuel reprocessing plants, and to provide alarms when the radiation field goes outside predetermined limits. They are also employed to act in safety related protection systems, such as personnel access control systems which allow access to areas which can be subject to radiation fields. This standard also gives guidance applicable to equipment for use in pulsed radiation fields, for example, those emanating from pulsed radiation or particle accelerators. This guidance is important, since the operation of the majority of the equipment defined by this standard in pulsed fields will give false readings. The assemblies considered in this standard comprise at least: ? a detector assembly (e.g, ionization chamber, Geiger-Muller tube, scintillation counters, semiconductors); ? a measuring assembly, which may be fitted into a centralized panel which, in the case of warning assemblies and monitors, provides signal outputs and contacts capable of activating alarm or trip/interlock circuits for the purpose of radiation protection. This standard is also applicable to installed dose rate measuring assemblies designed for special applications (e.g. very high dose rates). However, some of the requirements may need to be amended or supplemented according to the particular characteristics of such assemblies. This standard is not applicable to criticality monitors. Assemblies designed to perform combined functions should comply with the requirements pertaining to each of these functions. This standard specifies general characteristics, general test procedures, radiation, electrical, safety, and environmental characteristics and the identification certificate for the assemblies defined above.

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