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Low Pressure Sodium Lamp
Birth of the low pressure sodium lamp is a revolution for the outdoor lighting, particularly the lighting involving solar energy. Comparing with the routine lighting sources, the sodium lamp saves up to 50% electric power while giving the lamination of the same intensity. As the tube of the low pressure sodium lamp is sealed in a vacuum class shell coated with infrared reflection film, the lighting efficiency is normally not affected by ambient temperature; the radiation spectrum is pure, stable and free from astigmatism; the light of this specific wave length penetrates the mist. This plus the multi-functional electronic ballast, the lamp is fit for use in various conditions , especially as the solar energy streetlighting, channel lighting and lighting in plateaus where it is very cold.
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