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ASTM International - ASTM E971-88(1996)e1

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

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Organization: ASTM International
Publication Date: 1 January 1996
Status: inactive
Page Count: 4
scope:

1.1 This practice describes the calculation of luminous (photometric) transmittance and reflectance of materials from spectral radiant transmittance and reflectance data obtained from Test Method E903.

1.2 Determination of luminous transmittance by this practice is preferred over measurement of photometric transmittance by methods using the sun as a source and a photometer as detector except for transmitting sheet materials that are inhomogeneous, patterned, or corrugated.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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 .

Document History

October 1, 2019
Standard Practice for Calculation of Photometric Transmittance and Reflectance of Materials to Solar Radiation
5.1 Glazed apertures in buildings are commonly utilized for the controlled admission of both light and solar radiant heat energy into the structure. Other devices may also be used to reflect light...
August 15, 2011
Standard Practice for Calculation of Photometric Transmittance and Reflectance of Materials to Solar Radiation
Glazed apertures in buildings are commonly utilized for the controlled admission of both light and solar radiant heat energy into the structure. Other devices may also be used to reflect light and...
ASTM E971-88(1996)e1
January 1, 1996
Standard Practice for Calculation of Photometric Transmittance and Reflectance of Materials to Solar Radiation
1.1 This practice describes the calculation of luminous (photometric) transmittance and reflectance of materials from spectral radiant transmittance and reflectance data obtained from Test Method...
August 26, 1988
Standard Practice for Calculation of Photometric Transmittance and Reflectance of Materials to Solar Radiation
Glazed apertures in buildings are commonly utilized for the controlled admission of both light and solar radiant heat energy into the structure. Other devices may also be used to reflect light and...
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