payback period considerably 2. Methodology for the 12 Efficacy: computed for [declared lumen values are assumed to be compliant. market study information only, as This should have been underpinned by appropriate lumen divided by power. testing] It has been assumed that declared lumen values are compliant with the definition in regulation 1194/2012 (see also point 2). Where both nominal and rated values were available for lumen and/or power, rated values have been used for efficacy computations. 2. Methodology for the 13 The thermal effects of the [This should have been researched more carefully]. market study substitution of a halogen lamp by a LED lamp have not been evaluated: these depend on the type of luminaire and on the burning position, which in general are unknown in this study. 2. Methodology for the 15 R39 Form factor: For R39, R50/63/80, it is assumed market study too easily that consumers may compromise on shape, because most luminaires for spots are typically designed around the bulb shape (eg
payback period considerably 2. Methodology for the market study 12 Efficacy: computed for information only, as lumen divided by power. It has been assumed that declared lumen values are compliant with the definition in regulation 1194/2012 (see also point 2). Where both nominal and rated values were available for lumen and/or power, rated values have been used for efficacy computations. [declared lumen values are assumed to be compliant. This should have been underpinned by appropriate testing] 2. Methodology for the market study 13 The thermal effects of the substitution of a halogen lamp by a LED lamp have not been evaluated: these depend on the type of luminaire and on the burning position, which in general are unknown in this study. [This should have been researched more carefully]. 2. Methodology for the market study 15 R39 Form factor: For R39, R50/63/80, it is assumed too easily that consumers may compromise on shape, because most luminaires for spots are typically designed around the bulb shape (eg
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