ASTM E903 PDF

ASTM E Solar Absorptance, Reflectance and Transmittance of Materials Using. Integrating Spheres. This test method covers the measurement of. ASTM E Standard Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres CONTAINED IN VOL. ASTM E Standard Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres. standard.

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ASTM Standards E and E | U.S. Green Building Council

Want access to British Standards? It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Practice E describes outdoor methods using natural sunlight over the spectral response range of the human eye.

Test Method E may be more appropriate to determine the bulk optical properties of textured or inhomogeneous materials.

Direct Normal and Hemispherical on 37 Tilted Surface. This test method also provides a means for determining these values for extraterrestrial conditions. This test method provides a means for determining these values under fixed conditions that represent an average that would be encountered during use of a system in the temperate zone. Historical Version s – qstm previous versions of standard.

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Polarization effects may be detected by measuring the sample with rotation at various angles about the normal to ast, samples. Direct and Diffuse on 20 Tilted and Vertical Surfaces.

Referenced Documents aetm separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Materials that are textured, inhomogeneous, patterned, or corrugated require special consideration.

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ASTM E Standard test method for solar absorptance, reflectance, and transmittance of materials using integrating spheres. Specifies a test method for the measurement of spectral absorptance, reflectance, and transmittance of materials using spectrophotometers equipped with integrating spheres.

Measurements are typically made indoors using light sources other than natural sunlight, though it is possible to configure systems using natural sunlight as the illumination source, as in Practice E For polarizing samples, measurement data will be a function of the orientation of the sample. Again there may be more recent versions of the document.

Work Item s – proposed revisions of this standard.