Ｎingbo Oyate Lighting Electrical Appliance Co.,ltd Situated in Xikou State-Level Resort, is a stock company specialized in the development, production, marketing and service of illuminations & electric products. Our main products include Metal Halide Lamps,High Pressure Sodium Lamps,Mercury Lamps,Blended Mercury Lamps,Flood Light Fixture,Street Light Fixture,High Bay Lighg Fixture,Magnetic Ballast,Electronic Ignitor,Capacitor,Led Bulbs,Led street lights,Led flood lights,Led panel lights .These products are highly appreciated by customers and consumers.
We have strong technical force and perfect testing equipment. In operation, our company combines scientific research development, design manufacture and network marketing all together; in management, we make reference to the mode of Sino-foreign joint ventures and enterprises with foreign investment and combined with our own characteristics, we implement scientific management.
After the lamp has been lit for a long time, the operating voltage of the high pressure sodium lamp will gradually increase. When the operating voltage rises until the power supply voltage is insufficient to sustain the discharge, the sodium lamp will automatically extinguish; when the lamp cools down, the sodium vapor pressure in the discharge tube will dro
High Pressure Sodium Lamps light yellow why? High pressure sodium lamp working substance is sodium, sodium in the excitation discharge, the radiation lines are mainly concentrated in the sodium atomic 589nm and 589.6nm characteristic spectrum near the spectrum of this wavelength is the visible light yellow band, so the light Yellow.
1, its own characteristics-the light of the one-way, without the diffuse light, to ensure the lighting efficiency. 2, LED street lights have a unique two times optical design, the LED street light to the lighting needs of the area to further improve the lighting efficiency in order to achieve energy-saving purposes.
As the world's most high-profile new generation of light source, led because of its high brightness, low calorie, short-lived, non-toxic, recyclable and other advantages, is known as the 21st century the most promising green lighting source. Since 1962, the first red light semiconductor light-emitting Diode was born, people continue to develop a variety of
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