GB/T 11923-2008 in English
VALIDLevel meter utilizing ionizing radiation
- Issued on:2008-07-02
- Implemented on:2009-04-01
- File Format:PDF
- Delivery:Via email within 5 business days
$408.00
《GB/T 11923-2008电离辐射物位计》由TC30(全国核仪器仪表标准化技术委员会)归口,TC30SC1(全国核仪器仪表标准化技术委员会通用核仪器和辐射探测器分会)执行,主管部门为国家标准化管理委员会。
本标准代替GB/T 11923-1989《电离辐射料位计》。本标准规定了电离辐射物位计的术语和定义、技术要求、试验方法、检验规则以及标志、包装、运输和贮存。本标准适用于带有辐射源并利用其电离辐射对物质表面或者两种密度不同且不相混的物质的分界面位置进行连续或定点(单点或多点)测量的电离辐射物位计。被测物质可以是液体或粉粒状的固体,而输出信号可以是连续量或开关量。本标准与GB/T 11923-1989的主要差别如下:
―――参照IEC 60982:1989,将本标准的标题改为《电离辐射物位计》;
―――更新和增添了规范性引用文件;
―――增加了大量的术语和定义;
―――删除了原标准的第4章“产品分类”;
―――修改了“正常工作条件”的分级和要求(4.1.2);
―――修改了开关输出信号和连续输出信号物位计,分别归类列出的技术要求,同时“试验方法”的排列也作相应的调整(第5章);
―――增加了电磁兼容性的要求;
―――影响量增加了“外界磁场”和“机械振动”(5.3.2.4和5.3.2.5);
―――对出厂检验和型式检验作了比较详细的原则性的规定(6.2和6.3)。
Scope
This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of ionizing radiation level gauges. This standard applies to ionizing radiation level gauges with a radiation source and using its ionizing radiation to measure the surface of a material or the interface between two materials with different densities and immiscibles for continuous or fixed-point (single-point or multi-point) measurement. The measured substance can be liquid or powdery solid, and the output signal can be continuous or switching.

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