GB/T 14318-2019/IEC 61005:2014 代替 GB/T 14318—2008
辐射防护仪器中子周围剂量当量(率)仪
Radiation protection instrumentation— Neutron ambient dose equivalent (rate) meters (IEC 61005：2014,IDT)
2019-06-04 发布
2020-01-01 实施
目 次
前言..........................................1
1范围..........................................1
2规范性引用文件.....................................1
3术语和定义、缩略语和符号、量和单位 ..........................2
3.1术语和定义...................................2
3.2试验术语.....................................7
3.3缩略语和符号...................................7
3.4 量和单位....................................7
4一般试验方法 .....................................8
4.1 试验要求....................................8
4.2随影响最变化进行的试验..............................8
4.3非线性考虑....................................8
4.4剂量（率）仪中多个探测器或多个信号的考虑.....................9
4.5统计涨落.....................................9
4.6 辐射源.....................................9
4.7工作场所中子场..................................9
5 —般要求.......................................9
5.1要求的归纳....................................9
5.2 一般特性...................................10
5.3机械特性....................................10
5.4接口要求....................................11
5.5计算指示值的算法................................11
6辐射探测要求.....................................11
6.1 概述.....................................11
6.2约定址值不确定度的考虑.............................11
6.3剂量率响应稳定性、剂量依赖性和统计涨落.....................11
6.4响应随中子能量的变化..............................13
6.5仪器响应的蒙特卡罗计算.............................14
6.6响应随辐射入射角的变化.............................15
6.7过载特性....................................15
6.8响应时间....................................16
6.9响应时间与统计涨落之间的关系..........................17
6.10剂量当量率报警................................17
6.11剂量当量报警.................................18
6.12对光子辐射的响应...............................18
6.13对其他外部电离辐射的响应...........................19
7指示值的叠加.....................................19
7.1  要求............................................19
7.2试验方法...........................................19
7.3结果的解释..........................................19
8软件................................................19
8.1 概述............................................19
8.2  要求............................................20
8.3试验方法...........................................21
9  电气特性.............................................21
9.1零点指示值稳定性随时间的变化.................................21
9.2预热时间...........................................21
9.3   电源-电池供电    ..................................... 22
9.4   电源-交流供电    ......................................23
10  环境要求 ...........................................24
10.1  概述...........................................24
10.2环境温度..........................................24
10.3  温度冲击.........................................24
10.4相对湿度..........................................24
10.5  大气压力.........................................24
10.6  防水和防尘（IP分级）..................................25
10.7储存和运输.........................................25
11机械要求.............................................25
11.1 概述...........................................25
11.2跌落试验..........................................25
11.3 振动试验.........................................25
11.4颤振碰撞..........................................25
11.5 机械冲击.........................................26
12 电磁兼容要求 .........................................26
12.1 概述...........................................26
12.2电磁辐射发射........................................26
12.3静电放电..........................................26
12.4射频骚扰..........................................26
12.5磁场...........................................26
12.6交流供电设备要求......................................27
13 文件..............................................27
13.1操作和维修手册.......................................27
13.2合格证书..........................................27
13.3型式试验报告........................................28
附录A （资料性附录）中子注量-周围剂量当量转换系数 ........................34
参考文献...............................................37
图A.1单能中子注量-周围剂量当量转换系数口釘 ...........................35