Photometrics Demonstration

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Photometric measurements indicate how a particular lamp or luminaire "sends out" light. The actual photometric data describe a luminaire's light distribution in terms of intensity (candela) and direction (degrees). Graphic representation of this information, referred to as photometric distribution or candlepower distribution curves, provides intuitive information, indicating how the luminaire will perform in a space. The actual candela values enable calculations to predict light levels and/or brightness level within a space.