In the workplace guidelines ASR 7 / 3 and DIN 5035 (Part 2 places of work, Part 4 lecture rooms) nominal light intensity is stipulated for lighting. This nominal light intensity is prescribed for the planning and implementation of lighting system minimum values.
General rooms, passageways and zones in buildings, offices and office-type rooms, large-scale and individual trade crafts and commercial hotels and hospitals, as well as restaurants, school and instruction rooms (general), training and instruction rooms (especially)
Designation and/or purpose of the area | En [Lux] | Color of light | Color reproduction | Grade |
General areas | ||||
Traffic zones in storage rooms | 50 | ww, nw | 3 | 3 |
Storage rooms for similar-type or large-part stored material | 50 | ww, nw | 3 | 3 |
Storage rooms with search tasks in case of non-similar-type stored material | 100 | ww, nw | 3 | 3 |
Storage rooms with reading tasks | 200 | ww, nw | 3 | 2 |
Dispatch | 200 | ww, nw | 3 | 2 |
Sanitary rooms, canteens | 200 | ww, nw | 2A | 1 |
Break and relaxation rooms | 100 | ww, nw | 2A | 1 |
Dressing rooms | 100 | ww, nw | 2A | 2 |
Wash rooms | 100 | ww, nw | 2A | 2 |
Toilets | 100 | ww, nw | 2A | 2 |
Sanitary rooms, rooms for first aid and medical support | 500 | ww, nw | 2A | 1 |
Rooms for anatomical compensation practices | 300 | ww, nw | 2A | 1 |
Teleprinter terminals, mail locations | 500 | ww, nw | 2A | 1 |
Telephone exchanges | 300 | ww, nw | 2A | 1 |
Traffic routes and - zones in buildings | ||||
Walkways in automatic high-rack facilities | 20 | ww, nw | 3 | 3 |
For persons | 50 | ww, nw | 3 | 3 |
For persons and vehicles | 100 | ww, nw | 3 | 3 |
Stairs, escalators and gradient traffic routes | 100 | ww, nw | 3 | 3 |
Loading bays | 100 | ww, nw | 3 | 3 |
Automatic conveyors or conveyor belts in the area of traffic routes | 100 | ww, nw | 3 | 3 |
Office and office-similar areas | ||||
Office spaces with daylight based workplaces (exclusively in direct window proximity) | 300 | ww, nw | 2A | 1 |
Office spaces in general | 500 | ww, nw | 2A | 1 |
Open-plan offices with high reflection | 750 | ww, nw | 2A | 1 |
Open-plan offices with medium reflection | 1000 | ww, nw | 2A | 1 |
Technical drawing | 750 | ww, nw | 2A | 1 |
Meeting and discussion rooms | 300 | ww, nw | 2A | 1 |
Reception rooms | 100 | ww, nw | 2A | 1 |
Rooms with public traffic | 200 | ww, nw | 2A | 1 |
Rooms for IT and PC applications | 500 | ww, nw | 2A | 1 |
Wholesale and Retail trade | ||||
Sales areas | 300 | ww, nw | 2A | 1 |
Cashier workstations | 500 | ww, nw | 2A | 1 |
Handicraft and trade | ||||
Motor vehicle workshops | 300 | ww, nw | 3 | 2 |
Optician and clock maker workshops | 1500 | ww, nw,tw | 2A | 1 |
Manufacture of jewelry goods | 1000 | ww, nw, tw | 2A | 1 |
Radio and television workshops | 500 | ww, nw | 2A | 1 |
Hair care | 500 | ww, nw, tw | 1A | 1 |
Cosmetics | 750 | ww, nw, tw | 1A | 1 |
Hotel and restaurants | ||||
Reception | 200 | ww, nw | 2A | 1 |
Kitchen | 500 | ww, nw | 2A | 2 |
Dining rooms | 200 | ww | 1B | - |
Meeting rooms | 300 | ww, nw | 2A | 1 |
Self-service restaurants | 300 | ww, nw | 1B | 1 |
Hospitals | ||||
Bedrooms general lighting | 100 | ww | 1B | 1 |
Bedrooms reading lighting | 200 | ww | 1B | 1 |
Bedrooms investigation lighting | 300 | ww | 1B | 1 |
Investigation areas in general | 500 | ww, nw | 1B | 1 |
Dentist in general [Zone E1] | 500 | tw | 1A | 1 |
Dentist places of treatment [Zone E2] | 1000 | tw | 1A | 1 |
Operation rooms [general lighting] | 1000 | nw | 1B | 1 |
Operation rooms [operation field lighting] | 20000-120000 | nw | 1B | 1 |
Operation adjacent rooms in general | 500 | nw | 1B | 1 |
Training and classrooms (general) | ||||
Preschool rooms | 300 | ww, nw | 2 | A |
Lecture rooms in general (at the seating place at least 0.8 * E) | 300 | ww, nw | 2 | A |
Lecture rooms with daylight quotients D < 1% | 500 | ww, nw | 2A | A |
Lecture rooms [high reflection] | 750 | ww, nw | 2A | A |
Lecture rooms [medium reflection] | 1000 | ww, nw | 2A | A |
Training and classrooms (particularly) | ||||
Teaching kitchens | 500 | ww, nw | 2A | A |
Works | 500 | ww, nw | 2A | 2 |
Do-it-yourself, sewing and typewriter rooms | 500 | ww, nw | 2A | 1 |
Drawing and painting | 500 | ww, nw | 1B | 1 |
Physics, chemistry, biology | 500 | ww, nw | 2A | 1 |
Technical drawing | 750 | ww, nw | 2A | 1 |
Teaching resource rooms | 200 | ww, nw | 2A | 2 |
Assembly rooms | 200 | ww, nw | 2A | 2 |
Corridors | 100 | ww, nw | 2A | 3 |
Stairs | 100 | ww, nw | 2A | 2 |
Entrance halls | 100 | ww, nw | 2A | 3 |
Student cafeterias | 200 | ww, nw | 2A | 1 |
Showrooms | 100 | ww, nw | 2A | 2 |
Multi-purpose rooms | 300 | ww, nw | 2A | 1 |
Reading rooms | 500 | ww, nw | 2A | 1 |
Lecture halls with window | 500 | ww, nw | 2 | 1 |
Lecture halls without windows | 750 | ww, nw | 2 | 1 |