What does illuminance mean (what does the central illuminance of a desk lamp mean)

Illuminance is a physical quantity that measures the intensity of lightWhat does illumination mean?, it represents the luminous flux illuminated per unit area. The unit is lux. The key to understanding illuminance is that it describes how many lumens of light are in 1 square meter. For example, when it comes to illuminance of 15 lux, it means that only 15 lumens of light are in the daily environment on 1 square meter.What does illumination mean?We usually adjust the level of illumination according to different uses. The suitable illumination range for a bedroom is about 150 to 200 lux, which can.

Illuminance, as an indicator to measure the degree of illumination of an object, refers to the ratio between the luminous flux received on the surface of the object and the illuminated area. The unit is usually expressed in lux lx or foot-candle. 1 lux lx refers to the received luminous flux per unit area. The illuminance generated by 1 lumen of luminous flux is uniformly distributed over an area of 1 square meter, and 1 foot-candle means that the luminous flux received per unit area is 1.

Lux is illuminance unit illumination intensity is a physical term that refers to the luminous flux of visible light received per unit area, referred to as illuminance. The unit Lux or lx is used to indicate the intensity of illumination and the extent to which the surface area of an object is illuminated. In photometry,"luminosity" is the density of luminous intensity in a specified direction, but the international unit that is often misunderstood as illuminance is the candlelight received per square meter in the mainland of China.

200 lux is the illuminance at a distance of 200 meters away from the light source and 1 square meter area receives 1lm of luminous flux. The legal symbol lx illuminance unit is the illumination intensity received at a distance of 1 meter from a light source with a light intensity of lcd., commonly known as candlelight meter.

The international unit of illumination is lux lux, which is the basic unit of measuring illumination. When light is evenly irradiated on an object and the surface area of the object is 1 square meter, if the luminous flux is 1 lumen lm, then the illuminance of the object is 1 lux. The illuminance of the environment suitable for reading and sewing is about 500 lux illuminance, also known as meter candlelight, which represents the luminous flux received per square meter of area.