Standard Test Method for Measurement of Retroreflective Signs Using a Portable Retroreflectometer at a 0.2 Degree Observation Angle
NORMA vydaná dňa 1.2.2008
Designation standards: ASTM E1709-08
Note: NEPLATNÁ
Publication date standards: 1.2.2008
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
Keywords:
portable retroreflectometers, retroreflection, Geometric analysis--paints/related coatings/materials, Portable retroreflectometers, Retroreflective marking materials, Symbols, Traffic signs/control, ICS Number Code 17.180.20 (Colours and measurement of light), 93.080.30 (Road equipment and installations)