This study was designed to provide photometric information about current European low-beam headlamps. The sample included 20 low-beam headlamps manufactured for use on the 20 best-selling passenger vehicles for calendar year 1999 in 17 European countries. These 20 vehicles represent 47% of all vehicles sold in these countries. The lamps were purchased directly from vehicle dealerships, and photometered in 0.25 deg steps from 45 deg left to 45 deg right, and from 5 deg down to 7 deg up. The photometric information for each lamp was weighted by 1999 sales figures for the corresponding vehicle. The results are presented both in tabular form for the 25th-percentile, the median (50th-percentile), and the 75th-percentile luminous intensities, as well as in graphical form (for the median luminous intensities).


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    Title :

    Market-Weighted Description of Low-Beam Headlighting Patterns in Europe


    Contributors:
    M. Sivak (author) / M. J. Flannagan (author) / B. Schoettle (author)

    Publication date :

    2000


    Size :

    18 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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