BS EN 171-2002 个人眼睛保护.红外滤光镜.透射率要求和推荐的使用方法

标准号：BS EN 171-2002
中文标准名称：个人眼睛保护.红外滤光镜.透射率要求和推荐的使用方法
英文标准名称：Personal eye-protection - Infrared filters - Transmittance requirements and recommended use
标准类型：C73
发布日期：2002/5/13 12:00:00
实施日期：2002/5/13 12:00:00
中国标准分类号：C73
国际标准分类号：13.340.20
适用范围：This European Standard specifies the scale numbers and transmittance requirements for filters for protection against infrared radiation. The other applicable requirements for these types of filters and the frames/mountings to which they are intended to be fitted are given in EN 166. Guidance on the selection and use of these filters is given in annex B. NOTE The protective filters specified in this standard are not suitable for the direct or indirect observation of an electric arc. For this purpose a welding filter appropriate to the source being observed should by used.