Encyclopedia

Illuminance


Illuminance (E) - the ratio of luminous flux to the area of the surface illuminated by it; measured in lux (lx)

Source: "MU 2.2.4.706-98/MU OT RM 01-98. 2.2.4. Physical factors of the production environment. Assessment of illumination at workstations. Methodological guidelines" (approved by the Chief State Sanitary Doctor of the Russian Federation, Ministry of Labour of Russia on June 16, 1998)

Illuminance: the ratio of luminous flux falling on an element of a surface containing the considered point to the area of this element, lx

Source: "GOST 26824-2010. Interstate standard. Buildings and structures. Methods for measuring brightness"

(introduced into force by Order of Rosstandart dated April 19, 2011 No. 49-st)

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