12-point flicker factor test - Stadiums & Arenas

UEFA Stadium Lighting Guide 2023

Content Type
UEFA Guidelines
Category
Stadium & Arena
Subject
Stadium Lighting
Edition
2023
Language
English
Enforcement Date

A vertical flicker factor reading should be taken at a height of 1m on the 90° and 270° planes at each of the six positions indicated in Flicker factor test reference points – 12-point high-frequency test

The 12-point average is calculated by dividing the sum of those 12 values by 12.

The maximum flicker factor value is the highest measured value of the 12 points.

The maximum permitted flicker factor is listed below for each UEFA level.

Flicker factor requirements

Elite level A

12 or 24-point average

<3%

Maximum value

<3%

Level A

12 or 24-point average

<5%

Maximum value

<5%

Level B

12-point average

<12%

Maximum value

<15%

Level C

12-point average

<20%

Maximum value

<30%