BS EN 62805-2:2017规定了测量材料透射率和反射率的方法 用于光伏（PV）组件的玻璃，并提供如何计算 这种玻璃的有效半球透射率和反射率。本文件适用于光伏组件中使用的光伏玻璃，包括超清晰图案 玻璃、抗反射涂层（AR）玻璃、透明导电氧化物涂层（TCO）玻璃和 用于光伏组件的其他种类的光伏玻璃。这些试验方法旨在提供适用于比较试验结果的可重复数据 实验室间或同一实验室不同时间的结果，以及 在不同的光伏玻璃上获得的数据。这些试验方法对于具有镜面反射和漫反射特性的玻璃是实用的 光学特性。交叉引用:IEC 60904-3:2016EN 60904-3（IEC 60904-3:2016）ASISO 9050:2003IEC 62788-1-4:2016EN 62788-1-4（IEC 62788-1-4:2016）ASIEC 62805-1:2017EN 62805-1:2017ISO 13837:2008购买本文件时可提供的所有当前修改件均包含在购买本文件中。

BS EN 62805-2:2017 specifies methods for measuring the transmittance and reflectance of glass used in photovoltaic (PV) modules and provides instructions on how to calculate the effective hemispherical transmittance and reflectance of this glass.This document is applicable to PV glasses used in PV modules, including ultra-clear patterned glass, anti-reflective coated (AR) glass, transparent conductive oxide coated (TCO) glass and other kinds of PV glass used in PV modules.These test methods are designed to provide reproducible data appropriate for comparison of results among laboratories or at different times by the same laboratory and for comparison of data obtained on different PV glasses.These test methods have been found practical for glass having both specular and diffuse optical properties.Cross References:IEC 60904-3:2016EN 60904-3 (IEC 60904-3:2016) ASISO 9050:2003IEC 62788-1-4:2016EN 62788-1-4 (IEC 62788-1-4:2016) ASIEC 62805-1:2017EN 62805-1:2017ISO 13837:2008All current amendments available at time of purchase are included with the purchase of this document.