Lighting University

Application Bundles - Training Tool

Classroom

Check the current lighting

2- Luminaire spec and visual check

Check the luminaire specification

  • Unified glare rate UGR ≤ 19
  • Light uniformity Uo > 0.6

Read more about:

Light uniformity

When light uniformity (Uo) at task area is  < 0.6 (minimum), students experience shadows and contrasts which can be disturbing during class or exam.

The shadows shown here in this empty room will also appear on room occupants' faces.

Glare

When unified glare rating (UGR) of luminaire is >19 (maximum), students experience lighting as uncomfortable. This can cause eyestrain.

Image shows both glare and shadows caused by mounted fluorescent fixtures.


Same classroom with improved uniformity.

Get Certified! Next Previous

© Koninklijke Philips N.V., 2015. All rights reserved. Any unauthorized reprint or use of this material is prohibited. No part hereof may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system without express written permission from the owner.