GB/T 19661.2-2005 in English

《GB/T 19661.2-2005核仪器及系统安全要求 第2部分:放射性防护要求》由TC30（全国核仪器仪表标准化技术委员会）归口，主管部门为国家标准化管理委员会
GB/T19661的本部分规定了核仪器及系统的放射性防护要求，包括辐射防护分级、对电离辐射的防护、剂量当量率的确定、试验方法、级别代码和标志、随行文件等。本部分适用于含源核仪器及系统的制造、贮存、运输、安装和使用。本部分不适用于便携式核仪器和带X射线管工作的核仪器，但能参照适用于这些核仪器。

Scope

This part of GB/T 19661 specifies the radiation protection requirements for nuclear instruments and systems, including radiation protection classification, protection against ionizing radiation, determination of dose equivalent rates, test methods, level codes and signs, accompanying documents, etc. This part applies to the manufacture, storage, transportation, installation and use of nuclear-containing instruments and systems (hereinafter referred to as nuclear instruments). This section does not apply to portable nuclear instruments and nuclear instruments working with X-ray tubes, but can be applied to these nuclear instruments by reference.