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EspañolIn lighting design, luminaires that meet the requirements of use function and lighting quality, are easy to install and maintain, and have low long-term operating costs should be selected. Specifically, the following aspects should be considered:
(1) Optical characteristics, such as light distribution and glare control;
(2) Economics, such as lighting efficiency, initial investment and long-term operating costs;
(3) Special environmental conditions, such as fire hazard, explosion hazard environment, dust, humidity, vibration and chemical corrosion environment;
(4) The shape of lamps and lanterns should be coordinated with the building;
(5) High lamp efficiency (η): η=ΦL/ΦO, depending on the shape and material of the reflector, the size of the light outlet, the shape and material of the diffuser or grille;
(6) IP rating that meets environmental conditions.
