Measurement procedures for materials used in photovoltaic modules - Part 1-4: Encapsulants - Measurement of optical transmittance and calculation of the solar-weighted photon transmittance, yellowness index, and UV cut-off wavelength (IEC 62788-1-4:2016); German version EN 62788-1-4:2016
光伏组件用材料的测量程序.第1-4部分:密封剂.光学透射率的测量和太阳加权光子透射率、黄度指数和紫外线截止波长的计算(IEC 62788-1-4-2016);德文版EN 62788-1-4:2016