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(Lx) UGR Ra Remarks General room or location laboratory generally 0.75m horizontal plane 300 22 80 Additional local illumination fine 0.75m horizontal plane 500 19 80 Additional local illumination inspection 0.75m horizontal level 300 22 80 Additional local illumination , color requirement 0.75m horizontal plane 750 19 80 can be added with local lighting metering room, measuring room 0.75m horizontal plane 500 19 80 can be added partial lighting substation power distribution unit 0.75m horizontal plane 200 - 60 transformer room ground 100 - 20 4 Public place public place lighting standard value room or place reference plane and its high illuminance standard value (Lx) UGR Ra entrance hall common ground 100 - 60 upscale ground 200 - 80 corridor,
Mobile area Ordinary ground 50 - 60 Upscale ground 100 - 80 Stairs, platform common ground 30 - 60 Upscale ground 75 - 80 Escalator ground 150 - 60 Toilet, bathroom Ordinary ground 75 60 Upscale ground 150 80 Elevator front hall General ground 75 60 Upscale Floor 150 80 Lounge floor 100 22 80 Storage room, warehouse floor 100 60 Garage parking lot floor 75 28 60 Service room floor 200 25 60 Note: The lighting standard values ​​of power stations and substations in public buildings are selected according to the table.
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Domestic lighting standard value reference
1. Residential building residential building lighting standard value room or place reference plane and its high illumination standard value (Lx) Ra living room general activity 0.75m water level 100 80 writing, reading 300 bedroom general activity 0.75m water level 75 80 bedside, reading 150 Restaurant 0.75m Table top 150 80 Kitchen general activity 0.75m Water level 100 80 Countertop 150 Bathroom 0.75m Water level 100 80 Note: Mixed lighting should be used. 2. Public building commercial building lighting standard value room or place reference plane and its high illuminance standard value (Lx) UGR Ra General store business hall 0.75m water level 300 22 80 high-end store business hall 0.75m water level 500 22 80 general supermarket business hall 0.75 m Table top 300 22 80 High-end supermarket business hall 0.75m Water level 500 22 80 Cashier counter 500 - 80 Library building lighting standard value room or place reference plane and its high illumination standard value (Lx) UGR Ra General reading room 0.75m Water level 300 19 80 Reading room of national, provincial and other important libraries 0.75m Water level 500 19 80 Old age reading room 0.75m Table top 500 19 80 Jane and book reading room 0.75m Water level 500 19 80 Showroom, catalogue (Room) Cashier's Hall 0.75m Water Level 300 19 80 Book Stack 0.25m Water Level 50 - 80 Workspace 0.75m Water Level 300 19 80 Office Building Lighting Standard Value Room or Site Reference Plane and Height Illumination Standard Value (Lx) UGR Ra Ordinary Office 0.75 m Water level 300 19 80 High-end office 0.75m Water level 500 19 80 Meeting room 0.75m Table top 300 19 80 Reception room, front desk 0.75m Water level 300 - 80 battalion Hall 0.75m Water level 300 22 80 Design room actual working surface 500 19 80 Document finishing, Fuying publishing room 0.75m Water level 300 - 80 Data file room 0.75m Water level 200 - 80 Hotel building lighting standard value room or place reference plane and its height Illumination standard value (Lx) UGR Ra Room general activity area 0.75m Water level 75 - 80 Bed head 0.75m Water level 150 - 80 Writing desk top 300 - 80 Bathroom 0.75m Water level 150 - 80 Chinese restaurant 0.75m Water level 200 22 80 Western restaurant, bar Room, Cafe 0.75m Level 100 - 80 Multifunction 0.75m Level 300 22 80 Foyer, General Service Desk Floor 300 - 80 Lounge Floor 200 22 80 Room Level Corridor Floor 50 - 80 Kitchen Countertop 200 - 80 Laundry 0.75m Level 200 - 80 School Building Lighting Standard Value Room or Site Reference Plane and Height Illumination Standard Value (Lx) UGR Ra Classroom Desk 300 19 80 Lab Experiment Desktop 300 19 80 Art Classroom Desktop 500 19 90 Multimedia Classroom 0.75m Water Level 300 19 80 classroom blackboard blackboard 500 - 80 hospital building lighting standard value room or place reference plane and its high illumination standard value (Lx) UGR Ra treatment room 0 .75m horizontal plane 300 19 80 laboratory 0.75m horizontal plane 500 19 80 operating room 0.75m horizontal plane 750 19 90 consultation room 0.75m horizontal plane 300 19 80 waiting room, registration hall 0.75m horizontal plane 200 19 80 ward ground 100 22 80 nurse station 0.75m horizontal 300 - 80 Pharmacy 0.75m Water level 500 19 80 Intensive care unit 0.75m Water level 300 19 80 Exhibition hall lighting standard value room or place reference plane and its high illuminance standard value (Lx) UGR Ra General exhibition hall floor 200 22 80 High-grade exhibition hall floor 300 22 80 Note: The Ra of the exhibition hall above 6m can be reduced to 60. Sports building lighting quality standard value category GR Ra no color TV broadcast 50 65 color TV broadcast 50 80 Note: GR value is only applicable to outdoor sports venues. 3. Industrial building industrial building general lighting standard value room and place reference plane and its high illumination standard value