The Lighting Handbook ZG

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90 1.00 * An LED luminous flux class characterised the useful service life (basis selected: 50000 drop in luminous flux (initial level 100%) and ambient temperature °C.00 0.00 0.88 1.00 0.200 The Lighting Handbook LED luminous flux classes* with the following specific values Service life given hours 1000 5000 000 000 000 000 000 000*** L95 50000 LLMF LSF 1.00 0.00 0.98 1.00 0.00 0.00 1.99 1.94 1.98 1.99 1.72 1.00 0.83 1.00 1.00 0.00 0.85 1.85 1.00 0.00 0.00 0.00 0.65 1.00 0.75 1.97 1.00 0.00 0.76 1.00 0.96 1.00 0. LSF assumed total breakdown the complete LED module can neglected for planning purposes.85 1.70 1.00 0.00 0.00 0.00 0.94 1.00 0.00 0. Example: the LED luminous flux class “L80 50000 describes drop luminous flux 80% (LLMF 0.00 0.00 0.87 1.00 0.00 0.00 0.97 1.86 1.00 0.00 0.83 1.73 1.00 0.96 1.82 1.00 0.91 1.00 0.00 0.78 1.00 0.86 1.00 L70 50000 LLMF LSF 0.00 0.00 0.00 L55 50000 LLMF LSF 0. The values comply with international standards IEC 62717 and IEC 62722.88 1.00 0.92 1.00 0.00 1.97 1.79 1.97 1.96 1.99 1.80) at useful service life 50000 h. The maintenance factor values specified for LED luminous flux class are intended facilitate planning.80 1.00 1.00 0.00 L65 50000 LLMF LSF 0.93 1.00 0.90*** 1. They provide non-binding indication the prospective luminous flux changes over the course time, assuming linear reduction luminous flux.00 0.00 0.91 1.00 0.00 0.00 L90 50000 LLMF LSF 1.00 L85 50000 LLMF LSF 1.00 1.00 0.00 0.79 1.96 1.82 1.93 1.84 1.98 1.00 0.88 1.90 1. Please note: the known lamp maintenance factors LLMF and LSF are applied LED modules, although these are not lamps the proper meaning the term.99 1.92 1.96 1.00 0.90 1.00 L60 50000 LLMF LSF 0.93 1.91 1.00 L80 50000 LLMF LSF 1.00 0.00 0.88 1.00 0.00 0. Lamp luminous flux maintenance factor (LLMF) and lamp survival factor (LSF) Maintenance lighting systems .97 1.97 1.69 1.00 0.00 0.93 1.00 0.00 0.00 0.00 0.00 0.00 0.80 1.99 1.99 1.00 0.94 1.00 0.00 0.00 1.00 0.00 0.00 L50 50000 LLMF LSF 0. The maintenance factors for assumed service life are available for planning purposes.00 L75 50000 LLMF LSF 1.98 1.98 1.99 1.99 1.76 1.95 1.95 1.00 1.94 1.90 1.00 0.95 1.99 1