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ASTM E811-09(2015)
Standard Practice for Measuring Colorimetric Characteristics of Retroreflectors Under Nighttime ConditionsMore info
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.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2015-07-01 |
| ICS | 93.080.30 : Road equipment and installations |
| Number of pages | 8 |
| Replace | ASTM E811-09 |
| Set | ASTMVOL0601 |
| Year | 2009 |
| Document history | ASTM E811-09 |
| Country | USA |
| Keyword | ASTM 811;ASTM E811;ASTM E811;10.1520/E0811-09R15 |