How many fixtures are needed per 27 square meters of space?
How many fixtures are needed for 27 square meters? The type of premises is a store of telephones and gadgets, there are already 7 rows of 2 spotlights, the customer asks to add more directional light to the windows.
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Hello! The calculation is 500 lux per square meter of premises, this is a comfortable lighting for a person. Stores require 700-1000 lux per square meter. The luminous flux is usually written on the lamps, this is the measurement value at a distance of 1 meter from the source. The higher the lamp from the lighting surface, the more lamps you need.