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Working plane

Lighting for workstations through to large rooms

Illuminating a horizontal surface is one of the most common lighting tasks. Most of the lighting tasks governed by work place standards and standards for pedestrian traffic routes come under this category, whether these be the illumination of work surfaces or the actual floor.

Area, small

Area, small Area, small Area, small Area, small Area, small
Area, small Area, small Area, small Area, small
Area, small Area, small Area, small Area, small

Usable areas can be illuminated directly and indirectly: downlights and pendant downlights emit direct illumination into the room. Light structures have a diffuse light distribution. Uplights illuminate the room indirectly with a diffuse, uniform light.
Compared to indirect lighting with diffuse light, the direct aimed light results in better modelling capability. Combined lighting with direct and indirect components ensures good visualcomfort both in the room and on the work surface.

Lighting criteria for usable areas
- illuminance level dependent on activity
- luminance distribution to avoid direct and secondary glare
- cut-off angle and position of the luminaire restrict glare and increase visual comfort
- the choice of luminaire determines the light colour and colour rendition

The quantitative lighting criteria are paramount considerations for lighting usable areas.

Applications
- office workstations
- conference rooms
- workshops and shopfloors
- reception and entrance areas

Preferred luminaire groups
- light structures
- downlights
- uplights

Area, large

Area, large Area, large Area, large Area, large
Area, large Area, large Area, large
Area, large Area, large Area, large

Under consideration of the energy aspects, direct lighting with permanently mounted downlights are the most suitable for large rooms.
Whereas downlights represent fixed-location general lighting, spotlights can be used flexibly in the area of exhibitions and presentations. Due to their narrow-beam light distribution, spotlights have high glare control. Directed light results in good modelling capabilities.
Lighting criteria for usable areas
- illuminance level dependent on activity
- luminance distribution to avoid direct and secondary glare
- cut-off angle and position ofthe luminaire restrict glare and increase visual comfort
- the choice of luminaire determines the light colour and colour rendition

The quantitative lighting criteria are paramount considerations for lighting usable areas. Direct illumination here is considerably more economical than indirect illumination.

General lighting for
- workshops and shopfloors
- museums
- exhibitions
- sales and representational areas

Preferred luminaire groups
- downlights

Projects on this guide topic