NEN EN 2155-5-1989 标准详情
- 标准号:NEN EN 2155-5-1989
- 中文标题:
- 英文标题:Aerospace Series - Test Methods For Transparent Materials For Aircraft Glazing - Part 5: Determination Of Visible Light Transmission
- 标准类别:荷兰国家标准NEN
- 发布日期:
Describes the determination of visible light transmission for transparent materials by using a photometer employing a defined light source and a photocell matched to the response of the human eye. Because the materials under test are basically colour
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