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led vs sodium street lights 

Other materials and gases are used to help start the lamp or control its colour. High pressure sodium fixtures are not as energy efficiency as LEDs. Even so, HPS fixtures put off more of a yellow hue due to color limitations (compared to newer LED technology). For higher wattage applications it becomes more economical to invest in a more efficient power supply. A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.. Two varieties of such lamps exist: low pressure and high pressure.Low-pressure sodium lamps are highly efficient electrical light sources, but their yellow light restricts applications to outdoor lighting, such as street lamps, where they are widely used. The popularity of that technology is not just due to its energy efficiency. If you would like KB Electric LLC to go over the LED retrofitting options with you on your own premises, we would be happy to do so! When deciding high pressure sodium vs LED, it’s first best to describe each one in depth, since both produce light in different ways. However, there is exactly one other type of lighting that beats HPS in that category, and that is Light Emitting Diode (LED). A LED light bulb generates light by constant movement of electrons. Sodium lamps are very efficient sources of light; but the sheer yellow light they produce restricts them to street lamps and other outdoor uses. Clearly, LED. LEDs last longer than any light source commercially available on the market. When comparing high pressure sodium vs LED lighting options, LED wins with its high color rendering index (CRI). Led Street Light Vs Sodium Supplier & Manufacturer from China. Who’s the winner? Jul 28, 2016 | Blog, LEDs, Lighting, Parking Lot Lighting. HPS street lighting is being replaced by street lighting technologies that emit “white” light – primarily LED, due to its higher efficiency and longer life. HPS Lights have the worst CRI of any light source. High Pressure Sodium bulbs are relatively fragile. Be the first to get all the latest news and product releases. I was researching LEDs, and they seem to be less efficient: a 70 watt HPS bulb produces around 6,000 lumens and the 70 watt LED fixtures produce around 4,000. High pressure sodium (HPS) lights are commonly used for outdoor application like parking lot lighting, street lights, etc. Although they are very popular for street lights, they don’t serve many other applications. 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. High-pressure sodium lamps are currently the main lamps used in public lighting. found on commercial properties, schools, and other types of businesses. LED Chips are mounted on a circuit board, so depending on the configuration, usually 180 degrees. Initially, LED lighting options for parking lot lights and street lights are going to cost more than HPS lighting. You can find higher efficacy … Where LEDs really shine, however, is in their system efficiency (the amount of light that actually reaches the target area after all losses are accounted for). Conventional lighting is a game of yesterday HPS fixtures quickly picked up speed and by 1970, many parking lot lights and street lights were adopting the new lighting technology. My High Pressure Sodium security light needs a new bulb. They are well known for warm yellow glow, around 2200K. Okorder.com is a professional Led Street Light Vs Sodium supplier & manufacturer, offers integrated one-stop services including real-time quoting and online cargo tracking. HPS Lights have good lifespans – around 14,000 hours – though this is significantly less than LEDs. High Pressure Sodium area lights are most commonly seen on the road and in … Let’s explore why LEDs are gaining on HPS fixtures! In manufacturing, the LED light cluster is sealed on a panel and then assembled to the LED panel with a heat sink to become an integrated lighting fixture. LED vs High Pressure Sodium. Although LED and High-Pressure Sodium are both popular options for area lights and outdoor fixtures, let's explore the difference between the two and why you should consider LED lighting. For the last several decades, most street lighting in the United States has used high-pressure sodium (HPS) technology, which emits orange-yellowish light. HPS lights have a very narrow color spectrum, limited to warm deep yellow light. LEDs are very efficient relative to every lighting type on the market. We get many phone calls from business owners needing our assistance with fixing and/or replacing their high pressure sodium light bulbs for parking lot lights and street lights. HPS bulbs use sodium particles and gases to produce light. The two different technologies are entirely different methods of producing light. Both technologies are very efficient. Street lighting technology comparison light technology life time lumens per watt incadescent light 1.000 - 5.000 11 - 15 mercury vapour light 12.000 - 24.000 13 - 48 metal halide light 10.000 - 15.000 60 - 100 high pressure sodium light 12.000 - 24.000 45 - 130 low pressure sodium light 10.000 - 18.000 80 - 180 fluorescent light 10.000 - 20.000 As indicated by the name, “high” pressure sodium vapor lights operate at a higher internal pressure. Looking up was like staring into the sun. There are two kinds of sodium lamp: low pressure (LPS) and high pressure (HPS). As mentioned previously, HPS lighting gives off a little more yellowish hue than the true white glow of the LED lights. When one of our licensed electricians meets on site and goes over everything, one of the options we always recommend, depending on the client’s needs, is retrofitting the old high pressure sodium bulbs with LED bulbs. But the choice is up to you! While upgrading to LED provides a lot of benefits, high pressure sodium (HPS) lamps still provide some of the most efficient lighting available. All white-light technologies – including LED – emit more short-wavelength light than HPS. Typically, they fall around 25. They lose roughly 15% of their heat emissions which adds to their inefficiency. LEDs are solid state lights (SSLs) that are difficult to damage with physical shocks. Comparison Chart HPS vs. The main benefit of using HPS is that they are the only light source with a similar efficiency to LEDs and maintain luminescence quite well. It has been a common choice for many businesses to either retrofit an existing HPS fixture with a LED fixture, or swap out the entire HPS fixture with a LED fixture. We're discussing the comparisons between light-emitting diode (LED) and High-Pressure Sodium (HPS) lighting systems, and hopefully by the end of this lesson we can educate you and ensure your wallet stays happy. CH Smith Revitalisation Roberts Real Estate, Australian Unity Campbells Place Aged Care, KUNA Alpaca Shop, Collins St Melbourne Lighting Shop Fitout. This product adopt the high power LED as the light source, using dozens of high power DMX Emitters of 1 watt LED. Phoenix: HPS to LED Street Lighting Conversion The City of Phoenix currently maintains over 95,000 street lights along more than 4,800 miles of public streets. The losses associated with Omnidirectional light output rates them below LED. 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Both Metal Halide and High Pressure Sodium bulbs are part of the HID family of bulbs. In fact, LED bulbs use between 40-75% less electricity than a HPS fixture. Initially, LEDs will cost more to install, but the energy-savings, low maintenance costs, and lifespan puts them ahead of HPS lights. The comparison between solar powered LED light and conventional light is that the LED lamps have a greater lifespan and electrical efficiency that is many times better than the conventional lighting system. In fact, they're roughly as efficient as LEDs in terms of their light output for each watt of energy used. Typical source efficiency ranges from 80 - 130 lumens/watt. Lower power consumption – LED street lights (67W) slash energy use by 52% over Mercury Vapor lamps (138W) and 26% over a high pressure sodium lamps (90W) Higher efficacy (50 lm/W) – LED street lights exceed mercury vapor’s 31 lm/W. High Pressure Sodium Area Lights. An LED street light is an integrated light that uses light emitting diodes (LED) as its light source.These are considered integrated lights because, in most cases, the luminaire and the fixture are not separate parts. The large color spectrum of LEDs creates a widespread light output for better visibility and safety. High Pressure Sodium: LED: Winner: Start Up: High Pressure Sodium Lights have long warm-up time, usually around 15-20 minutes. The purpose of street lights is to illuminate the surroundings – including the road and adjacent areas in a manner that human beings using the area can adequately perceive the area and its surroundings. LEDs are available in the full range of CRI values. In fact, LED bulbs use between 40-75% less electricity than a HPS fixture. LED parking lot lighting has many advantages over the high pressure sodium lamps. After that, you will SAVE money because LED bulbs are more efficient, using less electricity. High pressure sodium bulbs ("lamps") are an old standby for lighting that's still used today in spite of so much talk of LED lights. We are funded by CNBM Group, a Fortune 500 enterprise and the largest Led Street Light Vs Sodium firm in China. Or is a lumen not a lumen, maybe LEDs are better at throwing light down in a street light application. LED Street Lights The high power LED street lights LU1 are designed for the street lighting demand and fully meets the special requirements of street lighting. Sodium vapor bulbs contain metals that are evaporated into inert gas within the glass casing while LEDs are a solid state technology. LED fittings are instantly at full output. Yes, for us the consumer. So why are street lights being replaced with LEDs. High Pressure Sodium lights have often been seen as the best grow light available for amateurs and professionals alike, and the key to their popularity is their incredible raw light output. They also have the worst CRI of any light source, falling around a 25 and like Metal Halides, require a warm-up period and may flicker or cycle on and off at the end of life. Yes, LED street lights have significantly higher efficiency than common LED bulbs; we are talking 65-85 l/W versus 95-130 l/W. LEDs are available in a wide range of colour temperatures, generally from 2700K-6000K (ranging from 'warm white' to 'daylight'). Here are some main differences between LED streetlights vs HPV streetlights. HPS vs LED Energy-Savings: High pressure sodium fixtures are not as energy efficiency as LEDs. High Pressure Sodium Vapor (HPS) lights are a specific type of gas-discharge light (also known as a High Intensity Discharge, HID or arc light). The LED street lights recommended by the manufacturer representatives would cost more than twice as much to own and operate as the incumbent technology over the life of the streetlights, primarily because the LED street lights required narrower pole spacings to meet the recommended practice for illuminating collector roads, and the cost of the poles per mile dominated the life cycle costs. HPS fixtures are an improvement over low pressure sodium (LPS) bulbs because of a better color rendering index (color of light appears more natural). Because of this, LED fixtures for parking lot lighting create a safe atmosphere for motorists at night. LED lights have a long lifespan, and are very energy efficient, which is why they have been gaining momentum over the past few years. The LED street lights were INTENSELY bright, much more so than the “old-fashioned” sodiums. LEDs last longer than any light source commercially available on the market. The new lights use less energy, dramatically cutting carbon emissions and saving money. The HPS light fixture was developed by General Electric and made its debut in 1964. Over the lifetime of the lamp the LEDs: use less power, have a more ‘white’ light, can be integrated with active and passive sensors, are quiet, and the LED ‘bulbs’ will last years and years. HPS vs. The biggest being that of energy efficiency as the lights really consume very … High Pressure Sodium Lights have long warm-up time, usually around 15-20 minutes. Hint: LED streetlights win this battle. LED lights have a high color rendering index, and put out a “daylight” color (natural white light) which provides excellent visibility. The arc tube is made of aluminum oxide and the sodium metal is combined with several other elements like Mercury which counter-balances the yellow glow with some white to light blue emissions. LED. Typically, above 70 CRI. The lamp works by creating an electric arc through vaporized sodium metal. Why is an LED better than a halogen or sodium lamp? From what I have read low pressure sodium puts out approx 180 lumens/watt so a 100 street light would be 1800 lumens, a 400 watt bulb would be around 72,000 lumens using that figure. High pressure sodium (HPS) parking lot lighting. HPS vs LED CRI: When comparing high pressure sodium vs LED lighting options, LED wins with its high color rendering index (CRI). LED fittings are instantly at full output. Indeed, high pressure sodium (HPS) lights are generally unmatched in terms of energy efficiency. The principal difference between low and high pressure sodium lights is the operating pressure inside the lamp. But when you factor in the efficiency, maintenance costs, and bulb life of high pressure sodium vs LED, this LED initial cost becomes the only disadvantage as far as we can see. A sodium lamp uses sodium in an excited state to generate light. We provide electrical repair, service, and installation for all of Southeastern PA including Montgomery, Chester, Bucks, Delaware, Berks, and Philadelphia counties. Who’s the winner? Let’s explore in depth high pressure sodium vs LED lighting options for your company’s parking lot lighting so that you can make the best decision necessary for your property. Although they are very popular for street lights, they don’t serve many other applications. The system is generally comprised of high pressure sodium (HPS) lighting fixtures with only around 750 units of light emitting diode (LED) fixtures installed. LED: Lifetime: HPS Lights have good lifespans – around 14,000 hours – though this is significantly less than LEDs. What’s the Difference Between Sodium Vapor and LED Lights? LEDs are typically 40,000 - 60,000 Hours. They also have a longer lifespan (bulb life) with about 10-15 years, which means less maintenance costs, which means less money on replacement bulbs and parts. 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