標準名稱

ASTM E903 Standard Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres

ASTM E903用于完整球體材料的日光吸收比, 反射比和透射比的標準試驗方法

適用范圍

Scope：

This test method covers the measurement of spectral absorptance, reflectance, and transmittance of materials using spectrophotometers equipped with integrating spheres. Methods of computing solar weighted properties from the measured spectral values are specified.

引用文件

ASTM E275 Practice for Describing and Measuring Performance of Ultraviolet and Visible Spectrophotometers

ASTM E424 Test Methods for Solar Energy Transmittance and Reflectance (Terrestrial) of Sheet Materials

ASTM E490 Standard Solar Constant and Zero Air Mass Solar Spectral Irradiance Tables

ASTM E772 Terminology of Solar Energy Conversion

ASTM E971 Practice for Calculation of Photometric Transmittance and Reflectance of Materials to Solar Radiation

ASTM E1084 Test Method for Solar Transmittance (Terrestrial) of Sheet Materials Using Sunlight

ASTM E1175 Test Method for Determining Solar or Photopic Reflectance, Transmittance, and Absorptance of Materials Using a Large Diameter Integrating Sphere

ASTM E2554 Practice for Estimating and Monitoring the Uncer-tainty of Test Results of a Test Method in a Single Laboratory Using a Control Sample Program

ASTM G173 Tables for Reference Solar Spectral Irradiances: Direct Normal and Hemispherical on 37° Tilted Surface

ASTM G197 Table for Reference Solar Spectral Distributions: Di rect and Diffuse on 20° Tilted and Vertical Surfaces

CIE 38 Radiometric and Photometric Characteristics of Materials and their Measurement

CIE 44 Absolute Methods for Reflection Measurement

NIST SP 250-48 Spectral Reflectance

NIST SP 250-69 Regular Spectral Transmittance