lumen output

  • 1Lumen (unit) — The lumen (symbol: lm) is the SI unit of luminous flux, a measure of the perceived power of light. Luminous flux differs from radiant flux, the measure of the total power of light emitted, in that luminous flux is adjusted to reflect the varying… …

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  • 2Lumen method — Also known as the zonal cavity method, the lumen method is a series of calculations that uses horizontal illuminance criteria to establish a uniform luminaire layout in a space. In its simplest form, the lumen method is merely the total number of …

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  • 3Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …

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  • 4LED lamp — An LED lamp (LED light bulb) is a solid state lamp that uses light emitting diodes (LEDs) as the source of light. The LEDs involved may be conventional semiconductor light emitting diodes, organic LEDs (OLED), or polymer light emitting diodes… …

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  • 5Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible …

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  • 6Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …

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  • 7Lamp (electrical component) — A lamp is a replaceable component such as an incandescent light bulb, which is designed to produce light from electricity. These components usually have a base of ceramic, metal, glass or plastic, which makes an electrical connection in the… …

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  • 8Orders of magnitude (luminous flux) — To help compare different orders of magnitude, the following list describes various lumen, which is measured in lm. Factor (lm) Multiple Value Item 10 2 1 centilumen (clm) 0.025 lm One firefly[1] 101 10 lumen (lm) 12.57 lm One candle …

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  • 9SureFire M6 Guardian — The SureFire M6 Guardian is a flashlight produced by SureFire, a company which produces tactical flashlights. It is relatively small with a Mil Spec Type III anodized aluminum casing and has a 250 lumen beam from a Xenon lamp. Surefire claims… …

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  • 10Xenon arc lamp — A xenon arc lamp is an artificial light source. Powered by electricity, it uses ionized xenon gas to produce a bright white light that closely mimics natural daylight.Xenon arc lamps can be roughly divided into three categories: * Continuous… …

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