Lux is the unit used for measuring the power of illumination. Lux is basically the amount of light on a certain surface. 1 lux = 1 lumen/m2 (3 square feet)

More lighting related terms:

Lighting | Light cycle | Dark cycle | Light shortage | Light distribution | Light spectrum | Blue light | Red light | Nanometer | Light tight | Lumen | Reflecting light | Lamp height

HPS lights | HPI lights | LED lights | Compact fluorescent lights

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