GB/T 15972.54-2008 in English
SUPERSEDEDSpecifications for optical fibre test methods - Part 54: Measurement methods and test procedures for environmental characteristics - Gamma irradiation
- Issued on:2008-03-31
- Implemented on:2008-11-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$146.00
《GB/T 15972.54-2008光纤试验方法规范 第54部分:环境性能的测量方法和试验程序 伽玛辐照》由339-2(工业和信息化部(通信))归口,主管部门为工业和信息化部(通信)。
本部分为GB/T 15972的第54部分。本部分代替GB/T 15972.5-1998《光纤总规范 第5部分:环境性能试验方法》第7章。本部分为第一次修订,它与GB/T 15972.5×其他部分一起代替GB/T 15972.5-1998。本标准规定了评估光纤和光缆在给定的伽玛辐照环境中性能的测量方法和试验程序。适用于测定成缆或未成缆A1类、A2类多模光纤和B类多模光纤因暴露在伽玛辐照下产生的辐照感应衰减值。本部分与GB/T 15972.5-1998《光纤总规范 第5部分:环境性能试验方法》第7章相比主要变化如下:
―――有关背景的描述作为附录A 给出(1998年版的7.1.1;本版的附录A);
―――删除了图2和图3(见1998年版的7.3);
―――删除了表2(见1998年版的7.4.4);
―――暴露在伽玛辐照下的环境背景辐照效应,将由试样受到的标称剂量率为0.2Gy/h、暴露的总剂量为1Gy,改为将由试样受到的标称剂量率为0.02Gy/h、暴露的总剂量为0.1Gy确定(1998年版的7.4.3;本版的5.3);
―――暴露在伽玛辐照下的有害核辐照效应,将由试样受到的标称剂量率和总剂量组合之一,改为将由试样受到的标称剂量率为1000Gy/h、暴露的总剂量为1000Gy确定(1998年版的7.4.4表2;本版的5.4);
―――相关内容的叙述做了一些修改。
Scope
This part of GB/T 15972 specifies the measurement methods and test procedures for evaluating the performance of optical fibers and optical cables in a given gamma irradiation environment. This section is applicable to the determination of radiation-induced attenuation values of cabled or uncabled A1, A2 multimode fibers and B single-mode fibers exposed to gamma radiation. This section does not apply to the measurement of non-light-transmitting component materials in optical cables. If the optical cable materials are exposed to radiation and will deteriorate, further research and other measurement methods are required.

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