Standard Test Method for Measurement of Retroreflective Signs Using a Portable Retroreflectometer at a 0.5 Degree Observation Angle (Includes all amendments And changes 2/28/2022).
NORMA vydána dne 1.11.2016
Designation standards: ASTM E2540-16e1
Note: NEPLATNÁ
Publication date standards: 1.11.2016
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
Keywords:
portable retroreflectometers, retroreflection,, ICS Number Code 93.080.40 (Street lighting and related equipment)