ASTM E811-09(2020)e1 Digital PDF

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Standard Practice for Measuring Colorimetric Characteristics of Retroreflectors Under Nighttime Conditions
standard by ASTM International, 06/15/2020

Document Format: PDF

Description

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.

Product Details

Published:
06/15/2020
Number of Pages:
8
File Size:
1 file , 140 KB
Note:
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