Illuminance is a term that describes the measurement of the amount of light falling onto (illuminating) and spreading over a given surface area. Illuminance also correlates with how humans perceive the brightness of an illuminated area.
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Illuminance
In photometry, illuminance is the total luminous flux incident on a surface, per unit area. It is a measure of how much the incident light illuminates the surface, wavelength-weighted by the luminosity function to correlate with human brightness... Wikipedia
Unit of measurement: lux (lx)
In SI base units: cd·sr·m−2
Other units: phot, foot-candle
In photometry, illuminance is the total luminous flux incident on a surface, per unit area. It is a measure of how much the incident light illuminates the ...
7 days ago · Luminance is a quantifiable, measurable characteristic. Meanwhile, brightness cannot be objectively measured — it can only be perceived. We ...
The meaning of ILLUMINANCE is illumination.
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Illuminance (E) describes the quantity of light incident on a surface. It is the ratio of the incident luminous flux (Φ) to the size of the surface (A).
Illuminance (E) is the amount of light falling on, or illuminating, a given surface. It can also be defined as the number of lumens falling on 1m2.