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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Free to use BIM project management tool provides step-by-step help qstm define, manage and validate responsibility for information development and delivery at each stage of the asset life cycle in level 2 BIM projects. Measurements awtm typically made indoors using light sources other than natural sunlight, though it is possible to configure systems aetm natural sunlight as the illumination source, as in Practice E 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.

Specifies a test method for the measurement of spectral absorptance, reflectance, and transmittance of materials using spectrophotometers equipped with integrating spheres. For polarizing samples, measurement data will be a function of the orientation of the sample.

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

Again there may be more recent versions of the document. Direct Normal and Hemispherical on 37 Tilted Surface. Practice E describes outdoor methods using natural sunlight over the spectral response range of the human eye.

Want access to British Standards? Polarization effects may be detected by measuring the sample with rotation at various angles about the normal to the samples. The Red document status indicator indicates that the document is an old version The document has likely been withdrawn by the publisher, also the meta data presented here may be out of date as it is no longer being maintained by the editorial teams at NBS.

This test method also provides a means for determining these values for extraterrestrial conditions. ASTM International offers global access to standards development for over participating countries. Historical Version s – view previous versions of standard. asm

Test Method E may be more appropriate to determine the bulk optical properties of textured or inhomogeneous materials. Direct and Diffuse on 20 Tilted and Vertical Surfaces. Document Status Indicators The Green document status indicator indicates that the document is: ASTM E Standard test method for solar absorptance, reflectance, and transmittance of materials using integrating spheres.

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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.

Link to S903 This link will always route to the current Active version of the standard. Materials that are textured, inhomogeneous, patterned, or corrugated require special consideration. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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.