lux

In the Lux unit, which is abbreviated to LX, the illuminance is given, which is one of the central units of measurement in the light area. Taking into account various information such as light sources and space size, the brightness in the Space be calculated. The illuminance indicates how much light or how much Luminous flux falls on a certain area. This is measured with a so -called luxy meter on horizontal and vertical surfaces.

However, since the illumination in Lux, however, depends heavily on the position of the lamp, it is not specified on the illuminant packaging. If a lamp is very far from the illuminated area, the Lux value is also a lot lower. On the other hand, if it is very close to this area, the Lux value increases again. It always depends on the placement of the lamp.

However, there are even regulations for certain areas when it comes to the illuminance. In this way, the applies to workplaces and production facilities DIN EN 12464-1, which says that a minimum value of 500 lux must not be undercut.

Typical illuminance in Lux include:

• Sunlight: 100,000 lux
• Summer shade: 10,000 lux
• Workplace lighting: 500 lux
• Traffic zone lighting: 100 lux
• Street lighting: 10 lux
• Candle about 1 meter away: 1 lux