Illuminance

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Illuminance

Rainbow-Light Mini-Luxmeter (LUX)
Rainbow-Light Mini-Luxmeter (LUX)

Illuminance (E)(lx)

It is a measure of how much the incident light illuminates the surface. Illuminance was formerly often called brightness, but this leads to confusion with other uses of the word. “Brightness” should never be used of quantitative description, but only for non-quantitative references to physiological sensations and perceptions of light.

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  • Mini-Luxmeter (LUX) - Rainbow-Light micro radiometer (LUX), whenever and wherever possible the measure that is obvious, lightweight, portable, essential household lighting environment confirm good products.
    Mini-Luxmeter (LUX)
    LUX-2012

    Home lighting is generally recommended for illumination between 300 ~ 500 and lux. Some daily representative illuminance: