Illuminance Uniformity definition

Illuminance Uniformity means the ratio between the brightest illuminance falling on a surface compared to the lowest illuminance falling on a surface within an area. The value of illuminance falling on a surface is measured in foot candles.

Examples of Illuminance Uniformity in a sentence

  • ENGINEERING DETAILS –RESULTS BY SPACE TYPE 59F.1 LPD & Illuminance 59F.2 Illuminance Uniformity 69F.3 Site-Specific Findings 78F.3.1 Office Site-Specific Findings 78F.3.2 Retail Site-Specific Findings 79F.3.3 Classroom Site-Specific Results 80APPENDIX G.

  • Higher numbers indicate better protection Illuminance Uniformity (Ue) - This is a measure that relates average illuminance to maximum illuminance.

  • There are seven parameters reported within this module: ▪ Illuminance of Work Surface ▪ Illuminance Uniformity on Work Surfaces ▪ Luminance of Walls and Partitions ▪ Luminance of the Floor ▪ Correlated Color Temperature ▪ Color Rendering Index ▪ Illuminance of Computer Monitors Figure 32.

  • Average Illuminance to Minimum Illuminance Uniformity Ratio - 3.5:1 or less.

  • Table 3: Illuminance Uniformity recommended in standards for indoor spaces, reproduced from [90].

  • Illuminance Uniformity (UO ) of a given plane is defined as the ratio, in a given moment, between the minimum value of the illuminance on the plane (Emin ) and the average illuminance on that plane (Eaverage ).

  • Finally, the European standard EN 12464-1 [52] presents reference values for the amount of light (using illuminance), glare (using Unified Glare Rating), uniformity of light (using Illuminance Uniformity) and color rendering quality of artificial light (using Color Rendering Index) as related rather to the “Type of area, task or activity” [52].

  • The most common metric for assessing daylight exploitation are Illuminance, Uniformity ratio, and Daylight factor [11].

Related to Illuminance Uniformity

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  • Electric personal assistive mobility device means a self-balancing two-nontandem-wheeled device

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