The amount of illumination that strikes per square meter area is Lux.Ĭandela is the measuring unit of Luminous Intensity. Lumen indicates the total output of light in all directions. The primary differences between Candela, Lux, and Lumens are as follows in the table below- SpecificationsĬandela is the brightness level of a light source at a particular angle and direction. As a result, regardless of the light output angle, the value of Lumen remains constant.įurthermore, Lumens value varies with the light’s type, color, and power source.Ĭandela vs Lux vs Lumens – What Are The Differences? This raw Lumen measures the brightness of the light source from all sides. Unlike Candela (cd), Lumens doesn’t calculate the illumination from a particular direction. That is, the overall brightness that light produces is Lumens. Lumens state the total capacity of a light source. It is the most used term to express the intensity of lights. The value of Luminous Flux is measured in Lumen (lm). So, let’s jump into Lumens to learn Lux better- What is Lumen? That is, the value of Lux depends on Lumens (lm). In book words, Lux is expressed as – 1 lx is equal to 1lm/m^2. Thus, the light that seems bright in a small room will not look as bright when put in a large room. That is, as the distance increases, the value of Lux decreases. In this case, the value of Lux is inversely proportional to the square to the length.
So, for a Lux rating, you need to consider the room’s area or the light source’s distance from a particular point. It indicates the quantity of light reflected per square meter. Lux (lx) is the measuring unit for illumination.
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