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. 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. 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! Both Metal Halide and High Pressure Sodium bulbs are part of the HID family of bulbs. Who’s the winner? The HPS light fixture was developed by General Electric and made its debut in 1964. However, there is exactly one other type of lighting that beats HPS in that category, and that is Light Emitting Diode (LED). LEDs are very efficient relative to every lighting type on the market. High Pressure Sodium Lights have long warm-up time, usually around 15-20 minutes. LED fittings are instantly at full output. 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. LEDs are available in a wide range of colour temperatures, generally from 2700K-6000K (ranging from 'warm white' to 'daylight'). Initially, LED lighting options for parking lot lights and street lights are going to cost more than HPS lighting. My High Pressure Sodium security light needs a new bulb. Hint: LED streetlights win this battle. LEDs are available in the full range of CRI values. The losses associated with Omnidirectional light output rates them below LED. All white-light technologies – including LED – emit more short-wavelength light than HPS. 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. LED lights have a high color rendering index, and put out a “daylight” color (natural white light) which provides excellent visibility. LED. 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. 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 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. 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. 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. Led Street Light Vs Sodium Supplier & Manufacturer from China. 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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 popularity of that technology is not just due to its energy efficiency. High pressure sodium (HPS) parking lot lighting. 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. 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. 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. The large color spectrum of LEDs creates a widespread light output for better visibility and safety. When deciding high pressure sodium vs LED, it’s first best to describe each one in depth, since both produce light in different ways. HPS bulbs use sodium particles and gases to produce light. 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. LED vs High Pressure Sodium. HPS vs LED Energy-Savings: High pressure sodium fixtures are not as energy efficiency as LEDs. Other materials and gases are used to help start the lamp or control its colour. found on commercial properties, schools, and other types of businesses. They are well known for warm yellow glow, around 2200K. In fact, LED bulbs use between 40-75% less electricity than a HPS fixture. Why is an LED better than a halogen or sodium lamp? 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 LED: Lifetime: HPS Lights have good lifespans – around 14,000 hours – though this is significantly less than LEDs. We are funded by CNBM Group, a Fortune 500 enterprise and the largest Led Street Light Vs Sodium firm in China. This product adopt the high power LED as the light source, using dozens of high power DMX Emitters of 1 watt LED. After that, you will SAVE money because LED bulbs are more efficient, using less electricity. 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 biggest being that of energy efficiency as the lights really consume very … The new lights use less energy, dramatically cutting carbon emissions and saving money. The comparison above between High Pressure Sodium grow lights vs LED grow lights clearly indicates that the LED grow lights have a significant advantage when compared to HPS lights. Beside this, LED lights are significantly much better than the most fluorescent lamps as 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. LEDs are typically 40,000 - 60,000 Hours. 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. Because of this, LED fixtures for parking lot lighting create a safe atmosphere for motorists at night. 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. HPS vs LED CRI: When comparing high pressure sodium vs LED lighting options, LED wins with its high color rendering index (CRI). So why are street lights being replaced with LEDs. 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. As mentioned previously, HPS lighting gives off a little more yellowish hue than the true white glow of the LED lights. A sodium lamp uses sodium in an excited state to generate light. HPS fixtures are an improvement over low pressure sodium (LPS) bulbs because of a better color rendering index (color of light appears more natural). Sodium lamps are very efficient sources of light; but the sheer yellow light they produce restricts them to street lamps and other outdoor uses. When comparing high pressure sodium vs LED lighting options, LED wins with its high color rendering index (CRI). 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. Traditional yellow sodium street lights are steadily being replaced by white LED lamps. Clearly, LED. Or is a lumen not a lumen, maybe LEDs are better at throwing light down in a street light application. Although they are very popular for street lights, they don’t serve many other applications. The lamp works by creating an electric arc through vaporized sodium metal. LED fittings are instantly at full output. Both technologies are very efficient. HPS Lights have good lifespans – around 14,000 hours – though this is significantly less than LEDs. LED parking lot lighting has many advantages over the high pressure sodium lamps. The two different technologies are entirely different methods of producing light. There are two kinds of sodium lamp: low pressure (LPS) and high pressure (HPS). Yes, LED street lights have significantly higher efficiency than common LED bulbs; we are talking 65-85 l/W versus 95-130 l/W. 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 vs. The principal difference between low and high pressure sodium lights is the operating pressure inside the lamp. We provide electrical repair, service, and installation for all of Southeastern PA including Montgomery, Chester, Bucks, Delaware, Berks, and Philadelphia counties. For the last several decades, most street lighting in the United States has used high-pressure sodium (HPS) technology, which emits orange-yellowish light. High pressure sodium fixtures are not as energy efficiency as LEDs. HPS lights have a very narrow color spectrum, limited to warm deep yellow light. High Pressure Sodium area lights are most commonly seen on the road and in … This is typically an advantage because light is usually desired over a target area (rather than all 360 degrees around the bulb). Initially, LEDs will cost more to install, but the energy-savings, low maintenance costs, and lifespan puts them ahead of HPS lights. Conventional lighting is a game of yesterday For higher wattage applications it becomes more economical to invest in a more efficient power supply. Indeed, high pressure sodium (HPS) lights are generally unmatched in terms of energy efficiency. HPS Lights have the worst CRI of any light source. Comparison Chart HPS vs. The system is generally comprised of high pressure sodium (HPS) lighting fixtures with only around 750 units of light emitting diode (LED) fixtures installed. Here are some main differences between LED streetlights vs HPV streetlights. What’s the Difference Between Sodium Vapor and LED Lights? Although they are very popular for street lights, they don’t serve many other applications. You can find higher efficacy … High Pressure Sodium: LED: Winner: Start Up: High Pressure Sodium Lights have long warm-up time, usually around 15-20 minutes. 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. High pressure sodium (HPS) lights are commonly used for outdoor application like parking lot lighting, street lights, etc. As indicated by the name, “high” pressure sodium vapor lights operate at a higher internal pressure. Let’s explore why LEDs are gaining on HPS fixtures! The LED street lights were INTENSELY bright, much more so than the “old-fashioned” sodiums. 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. 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. CH Smith Revitalisation Roberts Real Estate, Australian Unity Campbells Place Aged Care, KUNA Alpaca Shop, Collins St Melbourne Lighting Shop Fitout. Looking up was like staring into the sun. Yes, for us the consumer. While upgrading to LED provides a lot of benefits, high pressure sodium (HPS) lamps still provide some of the most efficient lighting available. A LED light bulb generates light by constant movement of electrons. In fact, they're roughly as efficient as LEDs in terms of their light output for each watt of energy used. Typically, they fall around 25. Who’s the winner? In fact, LED bulbs use between 40-75% less electricity than a HPS fixture. Typically, above 70 CRI. 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. Typical source efficiency ranges from 80 - 130 lumens/watt. HPS street lighting is being replaced by street lighting technologies that emit “white” light – primarily LED, due to its higher efficiency and longer life. 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. 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). Sodium vapor bulbs contain metals that are evaporated into inert gas within the glass casing while LEDs are a solid state technology. But the choice is up to you! LED Chips are mounted on a circuit board, so depending on the configuration, usually 180 degrees. LEDs last longer than any light source commercially available on the market. 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). Be the first to get all the latest news and product releases. High-pressure sodium lamps are currently the main lamps used in public lighting. 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. 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