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> Indoor lighting / Specific lighting requirements / Lighting of industrial activities and crafts / High illuminance
For high illuminance requirements, e.g. for marking-out work and controls in metal processing at 750 lx, for colour inspections at 1.000 lx or for measuring instrument assembly work at 1.000 lx, it may be expedient – according to spatial dimension of the visual task area – to either have workstation-oriented general lighting or individual task lighting in addition to general lighting. In such cases, a sufficiently large surrounding area with appropriate illuminance must be provided. It is recommended to make this surrounding area as large as possible and to illuminate it with at least 500 lx to avoid adaptation issues when changing the viewing direction into the room (for the size of the surrounding area see fig.). The remaining surfaces in the room – especially the vertical surfaces of the field of vision – must be provided with lighting levels that ensure a balanced luminance distribution within the field of vision.
Examples for visual task areas Luminance distribution
Visual task area Examples for visual task areas High illuminance Luminance distribution High halls Maintenance factor Lighting of individual VDU workstations Food and luxury foods industry Photometric requirements according to EN 12464-1
Introduction Visual needs Need for orientation Non visual needs
Guidelines Overview Work places Visual task area Surrounding area Illuminance Luminance distribution Limitation of glare Lighting direction, modelling Aspects of colour Flicker and stroboscopic effects Daylight
Maintenance Factor Light and safety at work Light and non-visual effects Light and economy Light and environment Lighting design Lighting measurement Emergency lighting
Lighting of traffic zones and geneal areas in buildings Lighting of industrial activities and crafts Lighting of offices and VDU workstations Lighting of design and CAD offices Lighting of sports facilities Lighting of health care facilities Lighting of geriatric care facilities and nursing homes Lighting of public areas Lighting of salesrooms Lighting of educational facilities Lighting of traffic areas Lighting of car parks Ligthing of further indoor spaces
Luminaires The enhanced concept of quality Photometric classification Photometric properties Photo biology safety Mounting and electrical connection Luminaire labelling Luminaire operation LED luminaire operation Operation of FL luminaires Electrical safety Fire protection Electromagnetic safety Mechanical safety Chemical and miscellaneous impact Acoustic properties Ventilation properties
Firehazardous locations Room with bathtubs and showers Swimming baths Exterior installations Agricultural and gardening plant locations Food industry Clean rooms Requirements on mediacal rooms Emergency light installations
Luminaire selection chart
Light management application and function Presence detection Daylight-dependent regulation Interfaces Building management, KNX and other bus systems
Light sources types Characteristics of light sources
ABC, DF, G, ILM, NO, P, QRSUV, W
Subject index
StandardsGuidelines and instructionsEuropean directives and regulationsFurther publications
Lighting societies
Standardisation institutes
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