Linear fluorescent tubes have very high lumen per watt and low consumption of energy. That is why, they come to be mostly used luminous sources in the whole world. The typical application is lighting in a stores, shops, offices, factory buildings, hospitals, hallways of public buildings and others.
The luminescent powder changes ultraviolet radiation to visible light and it designates spectral distribution and resultant color of emitted illumination.
Modern technologies make possible to reach of excellent color rendering index not only for various tone of white, but they also enable to choose any other color or to create luminance for different special purposes as is aquarium, terrarium, plant growing, disinfection etc.
Own laboratory allows to mix triphosphor in any shade of white according to customer requirements in the range of 2500K to 10000K and color rendering index from the Ra=80 to Ra=95.
The development trend goes to smaller and smaller tube diameter, because it is generally true: smaller diameter, higher efficiency. The most used tubes T8 with 26 mm diameter have 60‑95 lm/W, however tubes T5 with 16 mm diameter can reach 90‑100 lm/W.
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