AS/NZS 1338.3:1992 pdf download - Filters for eye protectors - Part 3: Filters for protection against infra-red radiation 护眼滤镜 - 第3部分:防红外辐射滤镜

AS/NZS 1338.3:1992 pdf download,Filters for eye protectors - Part 3: Filters for protection against infra-red radiation.
护眼滤镜 - 第3部分:防红外辐射滤镜.
This Standard specifies requirements for filters used in eye protection against infra-red radiation. It provides a system of designating code numbers and shade numbers and specifies the transmittance requirements for such filters.
本标准规定了用于眼睛防护红外辐射的滤光片的要求。它提供了一个指定代码号和阴影号的系统，并规定了这种过滤器的透光率要求。
NOTE: Guidance on the selection of filters is given in Appendix A.