High Pressure Sodium Vapour lamps are highly efficient and the most economic light sources, employing the most modern state of the art technology in converting electrical energy into light.These are best applied in areas where visibility and economy is major consideration without the need for better colour rendition. Lower wattage ratings can replace incandescent lamps in variety of out door applications as in Gate-ways, Entrance, Garage and Garden walk-ways.Higher wattage lamps are advantageous in lighting Streets, Squares, Round abouts, Tunnels, Bridges, Roads, High-ways and for example making Pedestrian crossing very conspicuous.
The High Pressure Sodium Vapour lamps of highest Luminous efficacy as much as 150 Lumens/watt incase of 600 W which is 25% more light output than Standard HPSV lamps. This High Output lamps (H.O) have been specially used for Horticulture which provide Ideal Growing Conditions. In general the H.O lamps used for street lighting,flood lighying,horiculture outdoors and heavy industries out doors to have more Lux levels.
The life of HPSV lamps obtainable in practice will range from 24,000 Hrs – 28,500 Hrs at the appropriate operating position with suitable control Gear.Controlled light beams can be obtained using clear bulb variant. The coated can offer high level of glare free illumination.HPSV lamps can be operated in lighting fitting normally used for High Pressure Mercury Vapour Lamps of the same wattage of course with suitable electrics. This will result in enhanced lighting (Lux) levels to the extent of 82 to 100 percent.
1.Ballast 2.Electronic Ignitor 3.Lamp
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