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Global standard 220V-240V/50Hz-60Hz
Standard for USA/Canada 120V/60Hz, 277V/60Hz
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Our contents are shown to you in English. Product data is displayed for a technical region using USA/Canada 120V/60Hz, 277V/50Hz-60Hz.

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Absorption

The ability of substances to neither reflect nor transmit light. Its dimension is the absorption ratio, which is defined as the ratio of absorbed luminous flux to incident luminous flux.

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Handbook of Lighting Design

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