BS EN IEC 60793-1-47:2018规定了测量宏观弯曲的统一要求 1550nm或1625nm时单模光纤（B类）的损耗，A1类多模光纤的损耗 850 nm或1300 nm，以及650 nm、850 nm或以下的A3和A4类多模光纤 1 300 nm，从而有助于检查商业用途的光纤和电缆。交叉引用:EN 60793-1-1:2017IEC 60793-1-1:2017IEC 60793-2IEC 60793-1EN 60793-2-10EN 61280-1-4IEC 60793-2-10EN 60793-2EN 61280-4-1IEC 61280- 1-4IEC 61280-4-1IEC 60793IEC 60793-1-46EN 60793-2-50EN 60793-1-40IEC TR 62547IEC 60793-1-40IEC 60793-2-50EN 60793-1-46ITU-T G支持。59:2016购买本文件时，所有当前可用的修订均包含在购买本文件中。

BS EN IEC 60793-1-47:2018 establishes uniform requirements for measuring the macrobending loss of single-mode fibres (class B) at 1 550 nm or 1 625 nm, category A1 multimode fibres at 850 nm or 1 300 nm, and category A3 and A4 multimode fibres at 650 nm, 850 nm or 1 300 nm, thereby assisting in the inspection of fibres and cables for commercial purposes.Cross References:EN 60793-1-1:2017IEC 60793-1-1:2017IEC 60793-2IEC 60793-1EN 60793-2-10EN 61280-1-4IEC 60793-2-10EN 60793-2EN 61280-4-1IEC 61280-1-4IEC 61280-4-1IEC 60793IEC 60793-1-46EN 60793-2-50EN 60793-1-40IEC TR 62547IEC 60793-1-40IEC 60793-2-50EN 60793-1-46ITU-T G Suppl. 59:2016All current amendments available at time of purchase are included with the purchase of this document.