What does LX mean?

lux (legal symbol lx) is the unit of luminance. When the luminous flux of an object irradiated by light is 1 lux in an area of 1 square meter, its illuminance is 1 lux. The illumination suitable for reading and sewing is about 5 lux.

international unit of illumination (SI), also known as meter candle. When the luminous flux of an object irradiated by light is 1 lux in an area of 1 square meter, its illuminance is 1 lux. It can be marked as le [x], or le for short. Lux in English, lx in short.

Extended data:

Lux is the derivation unit, which is derived from lumens (lm). Lumens are derived from the standard unit Candeira (cd).

Illumination is a physical quantity reflecting the intensity of illumination, and its physical meaning is the luminous flux irradiated on a unit area. The unit of illumination is the number of lumens (lm) per square meter, and its unit is lux (lux or lx), that is, 1lux=1lm/m2.

the illuminance can be directly measured by an illuminance meter. The unit of illumination is lux, which is a transliteration of English lux and can also be written as X. When the luminous flux of an object irradiated by light is 1 lux in an area of 1 square meter, its illuminance is 1 lux.

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