ASTM E811 – Standard Practice for Measuring Colorimetric Characteristics of Retroreflectors Under Nighttime Conditions
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
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1 file , 140 KB
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