Lighting University

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Check the current lighting

2 - Luminaire spec and visual check

Visual or Fixture specification check

  1. Unified glare rate UGR ≤ 25
  2. Light uniformity Uo = 0.6
  3. Color rendering Ra ≥ 80

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Color rendering of light source is low. The objects in the hall will not be perceived in their natural color.

Light uniformity

When the uniformity is < 0.6 (minimum), workers experience shadows and contrasts which can be disturbing during work activities.

Glare

When UGR of luminaires is >25 (maximum ), workers experience lighting as uncomfortable. This can cause eyestrain, loss of productivity and even safety risks.

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