ASTM-E972 2021

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E972-96(2021) Standard Test Method for Solar Photometric Transmittance of Sheet Materials Using Sunlight

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 17.180.20 - Colours and measurement of light, ASTM

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Description

ASTM E972-96-Reapproved2021

Active Standard: Standard Test Method for Solar Photometric Transmittance of Sheet Materials Using Sunlight

ASTM E972

Scope

1.1 This test method covers the measurement of solar photometric transmittance of materials in sheet form. Solar photometric transmittance is measured using a photometer (illuminance meter) in an enclosure with the sun and sky as the source of radiation. The enclosure and method of test is specified in Test Method E1175 (or Test Method E1084).

1.2 The purpose of this test method is to specify a photometric sensor to be used with the procedure for measuring the solar photometric transmittance of sheet materials containing inhomogeneities in their optical properties.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

photometer; sheet materials; solar luminous transmittance; solar photometric transmittance; sunlight; transmittance ;

ICS Code

ICS Number Code 17.180.20 (Colours and measurement of light)

DOI: 10.1520/E0972-96R21

Additional information

Standard Title	E972-96(2021) Standard Test Method for Solar Photometric Transmittance of Sheet Materials Using Sunlight
Published Code	ASTM
Publication Date	2021
ICS Codes	17.180.20 - Colours and measurement of light