The efficiency of a sodium vapour lamp under practical conditions is about 40-50 lumens/watt. Such lamps are manufactured in 45, 60, 85 and 140 W ratings. The average life is about 3000 hours and is not affected by voltage variations.
In the same way Why is HPS better than LED?
The heat per watt is far greater with an HPS fixture compared to LED. This technology is far more efficient in transferring energy in to light, as it produces less heat and has a higher wattage equivalency to HPS (600w vs 1000w).
Subsequently, What are the advantages of sodium Vapour lamp? Advantages. Most energy efficient light source commercially available, with an efficacy of 100 to 185 lumens per watt. Lamps have average life in the 14,000 to 18,000 hour range and have excellent lumen maintenance (very little reduction in lumen output over life of lamp).
Why sodium Vapour lamps are used in street lights?
It is most visible in street lighting. Sodium-vapour lamps are good for night-time illumination because of their high efficiency and because the light they produce penetrates mist and fog particularly well.
What is the difference between mercury lamp and sodium lamp?
The mechanism in mercury vapour lamp is more involved and sequential. … Hence, the light from the mercury vapour lamp is white. Applications. Although sodium vapour lamps produce much higher light output (about 90 lumens/watt) they cannot be used in lighting applications where colour-rendering property is very crucial.
Is HPS full spectrum?
Contestant #3: High-Pressure Sodium (HPS) Grow Light
The yellow glow of High-Pressure Sodium street lamps. Here comes the king! … It’s got a spectrum with plenty of yellow, red, and far-red, which is great for flowering.
Do high pressure sodium lights use a lot of electricity?
High pressure sodium fixtures are not as energy efficiency as LEDs. In fact, LED bulbs use between 40-75% less electricity than a HPS fixture.
Why do commercial growers use HPS?
HPS bulbs provide an incredible amount of intense, raw light which lends itself to producing great yields. Because they’re older, HPS lights are more standardized among different manufacturers, making it a bit easier for growers to compare bulbs and set-ups.
Which one is disadvantages of sodium Vapour lamp?
WHAT ARE THE DISADVANTAGES OF SODIUM VAPOUR LAMPS? Colour rendering: The colour rendition properties are not comparable to the other lamps- the white SON lamp has a Ra value of 80 while the SOX has a Ra of just 20 which is way below that of an Incandescent (Ra -100).
Why is sodium lamp used?
These lamps are mostly used for street lighting as well as industrial uses. The lamp works by creating an electric arc through vaporized sodium metal. Other materials and gases are used to help start the lamp or control its color.
Where are sodium lamps used?
High pressure sodium lamps are used in outdoor lighting of streets and parking lots and in indoor settings where color rendering is not critical. These indoor settings include warehouse and shipping areas and some manufacturing areas.
Where are sodium Vapour lamps commonly used?
High-pressure sodium (HPS) lamps have been widely used in industrial lighting, especially in large manufacturing facilities, and are commonly used as plant grow lights. They contain mercury. They have also been widely used for outdoor area lighting, such as on roadways, parking lots, and security areas.
What is minimum wattage of sodium Vapour?
1000W High Pressure Sodium Vapour Tubular Lamp
| Lighting Type | High Pressure Sodium Vapour |
|---|---|
| Brand | Venture |
| Country of Origin | Made in India |
| Wattage |
1000W |
| Minimum Order Quantity | 1 Piece |
Are high pressure sodium lights being phased out?
Phasing out
A number of popular lighting types will have to be phased out by 2017 including selected ‘standard’ high-pressure sodium (including retrofit), high-pressure mercury, and standard performance metal halide.
Do mercury vapor lamps need a ballast?
A mercury vapor lamp is a type of high intensity discharge (HID) lamp that is typically used for commercial and outdoor lighting. … As with fluorescent lights, mercury vapor lamps require a ballast to supply the proper voltage and regulate the current to the electrodes.
Which gas is used in mercury Vapour lamp?
To facilitate starting of the lamp, a third electrode is mounted near one of the main electrodes and connected through a resistor to the other main electrode. In addition to the mercury, the tube is filled with argon gas at low pressure.
Why mercury is used in lamps?
Mercury is used in a variety of light bulbs. Mercury is useful in lighting because it contributes to the bulbs’ efficient operation and life expectancy. Fluorescent and other mercury-added bulbs are generally more energy efficient and last longer than incandescent and other equivalent forms of lighting.
What’s better LED or high pressure sodium?
High Pressure Sodium Lights have long warm-up time, usually around 15-20 minutes. LED fittings are instantly at full output. HPS Lights have good lifespans – around 14,000 hours – though this is significantly less than LEDs. LEDs last longer than any light source commercially available on the market.
What’s better MH or HPS?
In addition, HPS lights provide higher light intensity (lumens) than MH. This can be around 25-40% more lumens/watt than MH lights of the same wattage, and when it comes to flowering; the more light – the better the results.
What’s the difference between metal halide and high pressure sodium lights?
Both Metal Halide and High Pressure Sodium bulbs are part of the HID family of bulbs. The primary visual difference between them is that metal halide light is white and the light emitted from a High Pressure Sodium bulb is amber orange.
What is the minimum wattage of sodium Vapour lamp?
1000W High Pressure Sodium Vapour Tubular Lamp
| Lighting Type | High Pressure Sodium Vapour |
|---|---|
| Brand | Venture |
| Country of Origin | Made in India |
| Wattage |
1000W |
| Minimum Order Quantity | 1 Piece |
Are HPS lights being phased out?
Phasing out
A number of popular lighting types will have to be phased out by 2017 including selected ‘standard’ high-pressure sodium (including retrofit), high-pressure mercury, and standard performance metal halide.
Is 400 watt HPS good enough?
When it comes to bulbs, the most commonly used sizes are 400W, 600W and 1000W. As a general rule, 400w HPS bulbs are the most common, 600w HPS bulbs are the most efficient, and 1000w HPS bulbs are the most powerful (but also the hottest).
WHAT LED is equivalent to a 1000W HPS?
Black Dog LED PhytoMAX-2 600
Other companies would have called it the PhytoMax-2 1000. Despite the 600 in the name, this light is easily equivalent to 1000 watts of HPS power and is actually the most powerful fixture on this list.
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