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Archive for March 2012

Illuminance Explained

Color Accuracy

Illuminance is the amount of light striking a surface – also known as incident light, where the “incident” is the beam of light actually landing on the surface. Lumens are a measure of the quantity of light, referred to as luminous flux or just flux, emitted by a light source. When considering lighting applications, illuminance is used to measure …

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What is Full Spectrum Lighting?

Electromagnetic Spectrum
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Is Color Quality Scale (CQS) an improvement on CRI?

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What is Color Rendering Index (CRI)

Color Accuracy

CRI measures on a scale of 0 to 100 how a light source shifts the location of eight specified pastel colors compared to the same colors lit by a reference light source of the same CCT. A CRI of 100, or perfect color rendering, means the light source renders the eight colors exactly how the reference light source renders them.

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LUMENS: The new way to shop for light

Lumens - the new way to shop for light

New federal lighting regs to help consumers make ‘green’ lighting choices Starting Jan. 1, 2012, new federal regulations will require the most common light bulbs to be more energy efficient. Specifically, bulbs must produce the same amount of lumens (light output) for less wattage (energy consumption). All packages of light bulbs sold in stores after the New Year will carry a new Lighting Facts label – modeled after the “Nutrition Facts” labels on food packages –  to help consumers compare the brightness and estimated energy costs of various types of light bulbs. The new label will give consumers information about […]

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