ASTM E809-2008 标准详情
- 标准号:ASTM E809-2008
- 中文标题:测量反光境的光度特性的标准实施规程
- 英文标题:Standard Practice for Measuring Photometric Characteristics of Retroreflectors
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2008
This practice describes procedures used to measure photometric quantities that relate to the visual perception of retroreflected light. The most significant usage is in the relation to the nighttime vehicle headlamp, retroreflector, and driver'''
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