GB/T 31887.2-2019 代替 GB/T 31887—2015
自行车照明和回复反射装置 第2部分：回复反射装置
Cycles—Lighting and retro-reflective devices— Part 2： Retro-reflective devices (ISO 6742-2：2015,MOD) 2019-10-18 发布
2020-05-01 实施
目 次
前言..........................................I
1范围.........................................1
2規范性引用文件....................................1
3术语和定义......................................1
4艮则.........................................1
4.1使用的符号和单位................................1
4.2测试顺序（仅用于反射器）............................3
5光学要求.......................................3
5.1反射器.....................................3
5.2回复反射轮A6 ............................... 4
6色度要求.......................................5
7物理要求.......................................6
7.1反射器.....................................6
7.2回复反射轮胎..................................6
8光学测试.......................................8
8.1总则......................................8
8-2反射器.....................................9
8.3回复反射轮胎.................................10
9色度测试......................................10
9.1仪器测髭法..................................10
9.2目测比较法..................................10
9.3方法的使用..................................10
10标记.......................................10
参考文献.......................................11