The Lighting Handbook ZG

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Vydal: ZG Lighting Czech Republic s.r.o

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Lamp luminous flux maintenance factor (LLMF) and lamp survival factor (LSF) Maintenance lighting systems .96 1.00 0.00 0.78 1.00 0.00 0.90*** 1.99 1.00 0. The maintenance factors for assumed service life are available for planning purposes.00 0.92 1.82 1.00 0.88 1.00 1.00 0.00 0.00 L85 50000 LLMF LSF 1.00 0.90 1.00 0.00 0.00 L65 50000 LLMF LSF 0.93 1.99 1.00 0.00 0.00 0. LSF assumed total breakdown the complete LED module can neglected for planning purposes.97 1.88 1.73 1.200 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 L60 50000 LLMF LSF 0.93 1.88 1.00 0.00 0.90 1.00 L50 50000 LLMF LSF 0.00 0.83 1.00 0.00 0.82 1.00 0.99 1.00 0.00 0.94 1.85 1.00 0.00 0.00 0.88 1.00 0.94 1.91 1.00 0.00 0.00 L80 50000 LLMF LSF 1.00 1.96 1.00 0.00 1.00 0.91 1.00 0.00 0.00 1.00 0.86 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 1.00 0.00 0.76 1.72 1.00 0. The maintenance factor values specified for LED luminous flux class are intended facilitate planning.97 1.90 1.00 0.97 1.00 0.93 1.96 1.00 0.00 0.00 0.83 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 1.86 1.00 0. They provide non-binding indication the prospective luminous flux changes over the course time, assuming linear reduction luminous flux.00 0.00 0.65 1.98 1.00 0.00 0.00 0.00 L90 50000 LLMF LSF 1.97 1.85 1.85 1.00 L55 50000 LLMF LSF 0.93 1.98 1.95 1.99 1.95 1.00 0.69 1.00 1.90 1.97 1.00 0.92 1.00 0.00 0.00 0.00 0.00 0.79 1.00 L75 50000 LLMF LSF 1.99 1.94 1.98 1.00 L70 50000 LLMF LSF 0.00 0.00 0.00 0.00 0.98 1.00 1.00 0.91 1.75 1.00 0.99 1.96 1.80 1.79 1.80 1.76 1.95 1.00 0.97 1.00 0.96 1.99 1.00 0.00 0.00 0.84 1.94 1. Example: the LED luminous flux class “L80 50000 describes drop luminous flux 80% (LLMF 0.70 1.00 0. The values comply with international standards IEC 62717 and IEC 62722.98 1.00 0.80) at useful service life 50000 h.87 1.00 0.99 1