ASTM E903 PDF

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

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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. Work Item s – proposed revisions of this standard. For polarizing samples, measurement data will be a function of the orientation of the sample.

ASTM E903 – 12

ASTM E Standard test method for solar absorptance, reflectance, and transmittance of materials using integrating spheres. Free to use BIM project management tool provides step-by-step help to define, manage and validate responsibility for information development and delivery at each stage of the asset life cycle in level 2 BIM projects. Want access to British Standards? Practice E describes outdoor methods using natural sunlight over the spectral response range of the human eye.

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. Direct and Diffuse on 20 Tilted and Vertical Surfaces.

ASTM E Solar Reflectance – SYNLawn – CADdetails

The Amber document status indicator indicates that some caution is needed when using this document – it is either: Link to Active This link will always route to the current Active version of the standard.

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

Document Status Indicators The Green document status indicator indicates that the document is: Historical Version s – view previous versions of standard. Again there may be more recent versions of the document. ASTM International offers global access to standards development for over participating countries. Polarization effects may be detected by measuring the sample with rotation at various angles about the normal to the samples. This test method also provides a means for determining these values for extraterrestrial conditions.

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