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ASTM E 811 : 2009

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Measuring Colorimetric Characteristics of Retroreflectors Under Nighttime Conditions
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

12-01-2009

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 06.01, 2018 Defines the instrumental determination of retroreflected chromaticity coordinates of retroreflectors.

1.1 This practice describes the instrumental determination of retroreflected chromaticity coordinates of retroreflectors. It includes the techniques used in a photometric range to measure retroreflected (nighttime) chromaticity with either a telecolorimeter or telespectroradiometer.

1.2 This practice covers the general measurement procedures. Additional requirements for specific tests and specifications are described in Section 7.

1.3 The description of the geometry used in the nighttime colorimetry of retroreflectors is described in Practice E808 and the methods for calculation of chromaticity are contained in Practice E308.

1.4 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.

Committee
E 12
DocumentType
Standard Practice
Pages
8
ProductNote
Reconfirmed 2009
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ISO/CIE 10527:1991 CIE standard colorimetric observers
ASTM E 284 : 2017 : REDLINE Standard Terminology of Appearance
ISO/CIE 10526:1999 CIE standard illuminants for colorimetry

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PDF - English
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