CIE 034-1977

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Road lighting lantern and installation data: photometrics, classification and performance

Best Price Guarantee Jan 1, 1977 English 41 Pages

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CIE 034-1977
This technical report is one of a series of supporting documents to CIE 12.2-1977 Recommendations for the Lighting of Roads for Motorized Traffic. It is concerned with the data involved in predicting the performance of an installation, as described in CIE 30.2-1982 Calculation and Measurement of Luminance and Illuminance in Road Lighting.-\n--\n-Part 1 of the report describes the preferred form of basic photometric data for road lighting lanterns: intensity tables; isocandela diagrams; polar diagrams; flashed areas.-\n--\n--\n-Part 2 outlines additional derived data for an individual lantern which could be of value: description of a lantern in terms of throw, speed and control; utilization factor diagrams; luminance yield diagrams, isoluminance diagrams.-\n--\n--\n-Part 3 gives three useful methods of presenting data on the performance of lantern installations: performance tables; performance graphs; layout tables for achieving a specific performance.-\n--\n--\n-An Appendix gives information about differences in performance which have been found between installations using lanterns that satisfy the same specification or classification. Keywords: lanterns, luminaire classification, luminaries, photometric data, road lighting
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