ASTM E 811 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Practice for Measuring Colorimetric Characteristics of Retroreflectors Under Nighttime Conditions
Hardcopy , PDF
11-11-2014
English
12-01-2009
Important note : All end users must be registered with an Account prior to user licenses being assigned.CONTAINED IN VOL. 06.01, 2018 Defines the instrumental determination of retroreflected chromaticity coordinates of retroreflectors.
| Committee |
E 12
|
| DocumentType |
Standard Practice
|
| Pages |
8
|
| ProductNote |
Reconfirmed 2009
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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.
| 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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