ASTM E809-21
Standard Practice for Measuring Photometric Characteristics of Retroreflectors
- Standard No.
- ASTM E809-21
- Release Date
- 2021
- Published By
- American Society for Testing and Materials (ASTM)
- Latest
- ASTM E809-21
- Scope
- 1.1?This practice describes the general procedures for instrumental measurement of the photometric characteristics of retroreflective materials and retroreflective devices. 1.2?This practice is a comprehensive guide to the photometry of retroreflectors but does not include geom
ASTM E809-21 Referenced Document
- ASTM E284 Standard Terminology of Appearance
- ASTM E308 Standard Practice for Computing the Colors of Objects by Using the CIE System
- ASTM E808 Standard Practice for Describing Retroreflection
ASTM E809-21 history
- 2021 ASTM E809-21 Standard Practice for Measuring Photometric Characteristics of Retroreflectors
- 2008 ASTM E809-08(2013) Standard Practice for Measuring Photometric Characteristics of Retroreflectors
- 2008 ASTM E809-08 Standard Practice for Measuring Photometric Characteristics of Retroreflectors
- 2002 ASTM E809-02 Standard Practice for Measuring Photometric Characteristics of Retroreflectors
- 1994 ASTM E809-94a(2000) Standard Practice for Measuring Photometric Characteristics of Retroreflectors
