ASTM E903 PDF

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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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.

For polarizing samples, measurement data will be a function of the orientation of the sample. Direct and Diffuse on 20 Tilted and Vertical Surfaces.

The Amber document status indicator indicates that some caution is needed when using this document – it is either: Work Item s – proposed revisions of this standard. Polarization effects may be detected by measuring the sample with rotation at various angles about the normal to the samples.

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ASTM E Standard test method for solar absorptance, reflectance, and transmittance of materials using integrating spheres. ASTM International offers global access to standards development for over participating countries. Document Status Indicators The Green astk status indicator indicates that the document is: Want access to British Standards?

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 Practice E describes outdoor methods asm natural sunlight over the spectral response range of the human eye. Materials that are textured, inhomogeneous, patterned, or corrugated require special consideration.

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Historical Version s – view previous versions of standard. Again there may be more recent versions of the document. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the r903.

The Red 9e03 status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS. Test Method E may be more appropriate to determine the bulk optical properties of textured or inhomogeneous materials.

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ASTM E Solar Reflectance – SYNLawn – CADdetails

Link to Active This link asrm always route to the current Active version of the standard. Specifies a test method for the measurement of spectral absorptance, reflectance, and transmittance of materials using spectrophotometers equipped with integrating spheres.

Direct Normal and Hemispherical on 37 Tilted Surface. This test method also provides a means for determining these values for extraterrestrial conditions.

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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.