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led vs hps comparison chart

January 17, 2021 ,
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LED has virtually zero maintenance costs and the frequency with which bulbs have to be changed out is by far the best on the market. When comparing both technologies, always compare light levels of the entire grow and not just fixture to fixture. Park, No.2-3 South Road, Low and High Pressure Sodium bulbs are long lasting but will still require replacement several times in addition to the labor cost to monitor and replace aging or expired components all within the lifespan of a single LED. The principal difference between low and high pressure sodium lights is the operating pressure inside the lamp. There are several reasons for this to include the fact they waste very little energy in the form of infrared radiation (much different than most conventional lights to include fluorescent lights), and they emit light directionally (over 180 degrees versus 360 degrees which means there are far fewer losses from the need to redirect or reflect light). Now we have compact fluorescent lamps (CFL) and light emitting diodes or LED for short. Additionally, there are serious waste disposal issues with sodium lamps. Omnidirectional lights produce light in 360 degrees. 100 Degrees Celsius. High Pressure Sodium lights maintain their luminescence fairly well with 90% still available halfway through their lifespan (around 12,000 hours). Watch time lapse footage with real results. LED equivalent wattages to traditional light sources can only be approximate, as they will vary depending on the colour temperature and quality of the bulbs being compared. Can you really increase yields and grow quality cannabis with energy-saving lights? LED Grow Light Comparison. Nowadays, however, the situation is drastically different. LEDs produce a very narrow spectrum of visible light without the losses to irrelevant radiation types (IR, UV) or heat associated with conventional lighting, meaning that most of the energy consumed by the light source is converted directly to visible light. Are they equivalent?How do we conduct the ultimate grow light review? As you can see, LED lights use far less energy to produce light of a much better quality. The up-front costs of an LED lighting project are typically greater than most of the alternatives. Stouch Lighting Services, Although sodium vapor lighting beats virtually every other technology in terms of energy efficiency (which is why it was chosen to illuminate the streets of so many cities), it loses out to LEDs. The downside is that there are very few options outside the narrow range to choose from. Lifespans are variable but typical values range from 25,000 hours to 200,000 hours or more before a lamp or fixture requires replacement. Induction has, I think lost it's momentum.So a new LED system would save tons of electricity and take fewer fixtures to light the existing area. This means they emit light for 360 degrees, requiring fixture housings or reflectors to direct a large portion of the emissions to the desired target area. Low and High Pressure Sodium lights are the only light whose source efficiency compares to LEDs (values range between 50 and 160 lumens/watt for LPS and slightly less for HPS). A LED lamp uses 30 watts quite differently from an HPS one. It is only recently with the advent of affordable and prevalent LED lighting that they are being consistently surpassed in terms of energy efficiency and lifespan. That said, the price of LEDs are rapidly decreasing and as they continue to be adopted en masse the price will continue to drop. They lose out to LEDs in many cases because their system efficiency is often much lower due to losses associated with omnidirectional light output and the need to redirect it to a desired area. This product adopt the high power LED as the light source, using dozens of high power DMX Emitters of 1 watt LED. They are also adaptable for large public areas (which require powerful, efficient lights over a large area), road lighting (which offer significant color advantages over low and high pressure sodium lights), and parking lots. These diodes can emit red, blue or green light, and most grow lights offer a balance of the three to mimic natural light. Lighting Comparison, LED Retrofit Management | New & Replacement LED Products | Design & Performance Consulting | Construction & Renovation Services | Value Engineering | Request for Proposals, Parking and Area Lighting | Troffer Lighting | Parking Garage | Fluorescent Lamps | Wall Pack Lights | High Bay Lighting, Pathway & Bollard Lighting | Post Top Lighting | Flood Lighting | High Mast Lighting | Sports Field Lighting | Hazardous Location Lighting | Germicidal UV-C Light, 866-964-8559 info@stouchlighting.com 525 Turner Industrial Way, Lighting Comparison: LED vs High Pressure Sodium/Low Pressure Sodium. LPS or HPS lights will still likely need to be purchased several times and the associated labor costs will need to be paid in order to attain the equivalent lifespan of a single LED light. Both LEDs and sodium vapor lights emit electromagnetic radiation across a small portion of the visible light spectrum, however, LEDs waste much less energy producing waste heat and they also provide an incredibly better variety of high color rendering index options to the user (thus eliminating the monochromatic black appearance of objects illuminated by LPS and HPS bulbs). Generally they are cheap compared to LEDs ($5-$10 for a 100W incandescent-equivalent LPS or HPS bulb). 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. LPS lamps in particular are monochromatic which means that the objects illuminated by them appear shadowy black rather than the color you would see during daylight. LED Lighting, Most LEDs come with a minimum 2-year guarantee. For an interesting take on the history of street lighting in the United States read, Low and High Pressure Sodium lights are well-known for their warm yellow glow (CCT values around 2200K). Low and High Pressure Sodium lights are well-known for their warm yellow glow (CCT values around 2200K). LEDs are very efficient relative to every lighting type on the market. LPS and HPS lights are much more efficient as well as longer lasting than incandescent bulbs, many fluorescent bulbs, and most high intensity discharge lamps in general. High pressure sodium vapor (HPS) lights, similar to LPS lights, are a specific type of gas-discharge light (also known as a high intensity discharge, HID or arc light). Indeed, high pressure sodium (HPS) lights are generally unmatched in terms of energy efficiency. Although High Pressure Sodium lamps emit visible light across a slightly more broad spectrum than Low Pressure Sodium lamps, they are still very limited. The largest selling point of LPS and HPS lights is the cheap selling price, the high energy efficiency (low operating costs), and the relatively long lifespan. Additionally, as the light heats up it requires additional voltage to operate which is balanced by a ballast (a magnetic or electric device designed to provide the light constant current). Our value engineering service can help.). Having to purchase one bulb versus three or four bulbs over the course of time is a significant selling point for LEDs. Low and High Pressure sodium lights produce a very narrow spectrum of light (particularly LPS lights). They do, however, show degraded performance at significantly high temperatures and they require significant heat sinking, especially when in proximity to other sensitive components. They produce a dark yellow glow which is generally a very low quality light. In some circumstances heat emissions could be beneficial, however, it is a generally a bad thing to emit heat as it represents an energy inefficiency. LED means Light Emitting Diode. Lumen maintenance at the end of life still is excellent at around 80%.” LPS lights last slightly shorter periods of time (typically failing around 18,000 hours of operation). Thankfully, the market has changed a lot since due to their high power consumption, short lifespan, and environmental drawbacks. For this reason it is safest to break sodium lights under water and then to subsequently dispose of the destroyed bulb. The sodium can catch fire even in the event that the lamp is broken on the ground. Tempor reprehenderit accusantium quibusdam iste accusan. Find the Right LED … Technically that’s diodes with an ”s” because there are many diodes together forming an LED light. There are four major advantages to LED lighting: In addition to the major advantages, LED lights also offer several smaller perks. Since then they have gradually expanded their applications to include traffic lights, lighted signs, and more recently, indoor and outdoor lighting. The more lumens a light bulb produces, the brighter it shines. As indicated by the name, “high” pressure sodium vapor lights operate at a higher internal pressure. Problems with the starter and/or improper matching of a starter and an HPS lamp may cause cycling even though the starter is otherwise working properly as the lamp is continually trying to light itself. The first practical use of LEDs was in circuit boards for computers. HPS bulbs typically emit 80% of their original rated output at the end of life (around 24,000 hours). HID vs. Although they are very popular for street lights, they don’t serve many other applications. LED stands for light emitting diode. If you have any information please contact us. The difference is that sodium vapor lights were the most efficient technology of the 1970s while LEDs are the modern day equivalent. Roughly 15% of the emissions are lost due to energy dissipation and heat losses. See the chart below to see an example of a LED spectral chart: To get you more familiar with LED grow light spectral charts for different phases of growth, below we have the HLG 300L Rspec (flowering phase/full cycle) and Bspec (vegetative phase) so you can compare them. Minus 40 Degrees Celsius (and they will turn on instantaneously). My grow closet measures 2′ x 8′. (Don't give up if you received an expensive proposal to upgrade to LEDs. LEDs have faster switching (no warm-up or cool-down period). The mercury inside the bulbs is a hazardous material that can present a waste disposal issue at the end of light’s life. All in all this makes the applications in which LEDs can be used extremely diverse. LPS lamps emit a monochromatic yellow light which very much inhibits color vision at night. Over the years, advances in technology have brought about innovations in how to light our homes and commercial buildings. Lastly, HPS and LPS lights are monochromatic, so they can mess with your color vision if you look at them for an extended period of time. LEDs are very efficient relative to every lighting type on the market. Between fluorescent, LEDs, and high-pressure sodium (HPS), the great wide world of grow lights can get confusing. LED Retrofit, Firstly, HPS lights have a very narrow color spectrum, limited to warm deep yellow light. This is a large system inefficiency because at least half of the light needs to be reflected and redirected to the desired area being illuminated. Low pressure sodium vapor (LPS) lights are a specific type of gas-discharge light (also known as a high intensity discharge, HID or arc light). Needless to say, converting from HPS to LED is definitely something you should consider for your home or office. High pressure sodium bulbs may flicker and/or cycle on and off as the bulb reaches the end of its useful life. Generally they exhibit an end-of-life phenomenon known as cycling where the lamp goes on and off without human input prior to eventually failing entirely. Low and High Pressure Sodium costs vary depending on the specific type of light. If you have any information please, Energy Service Companies (ESCO)/Contractors. It is particularly useful for outdoor lighting where energy efficiency is at a premium (such as with municipalities lighting the streets or other common areas like parking lots.) Like most legacy lamps HPS and LPS lamps operate by using a glass bulb. Sodium lamps have the worst color rendering of any bulb. The typical 100W-equivalent LED light costs somewhere between $10 and $20. Light output efficiency was 33% higher with LED than HPS (2.25 micromoles per joule for the SolarSystem 1100 LED and 1.7 for the Gavita HPS). Typically they fall around 25 on a scale of 100 where 100 is the best possible. Do you plan to undertake that long-postponed high pressure sodium to LED conversion for the lighting in your home or office? LEDs are very easy to dim and options are available to use anywhere from 100% of the light to 0.5%. Among the deficiencies in this lighting are the following: Among the minor deficiencies in sodium vapor lighting are the following: Common applications for sodium vapor lighting includes street lighting and parking lots as well as for tunnel lighting where color rendering isn’t a major issue. The need for reflection and redirection of light means that the output is much less efficient for omnidirectional lights due to losses than it would be for the same light if it were directional by its nature. That being said, you can use the comparison charts … When you look at the light intensity charts for each map you’ll see what I mean. LEDs emit light for 180 degrees. Sodium lights operate in a range where the human eye is very sensitive and so there is less power required to achieve the same lighting effect. Lorem ipsum dolor sit amet, Mastled established in 2009 and located in Shenzhen China. Advantages and Disadvantages of LED Lights, IP64 DC12/24V High Lumens LED Corn Light Bulb, 480V 347V 200W Led Corn Cob Lamp with 26000 Lumens, 150W Led Corn Lights For High Bay Fixtures. Outdoor Lighting, Before LED vs HPS comparison, there was a time when HPS (High-pressure Sodium) lamps were dominating the residential, office, farming and industrial lighting scene. Both Low and High Pressure Sodium lights exhibit a short delay when turning on because they need to be ignited before they operate at steady state. Once the arc is ignited it melts and evaporates metal salts (sodium) internal to the device. LED lamps produce light of a much higher quality, as opposed to the dim yellow one generated by HPS. That said, the price of LEDs are rapidly decreasing and as they continue to be adopted en masse the price will continue to drop. Not too long ago, Access Fixtures was contacted by a property owner seeking to upgrade her outdated 250w, 2100K, high pressure sodium (HPS) wall packs to LED wall packs. Is LED more efficient than HPS? For this reason they are very efficient. The lightbulb lumens to wattage chart below will help you understand which LED bulb is comparable to your current incandescent bulb. California Lightworks July 13, 2016 1 8.2k. So if I get one 300W LED grow light panel, it would be a safe assumption that it … LPS and HPS still retain these advantages over most conventional bulbs but they lose on all three counts to LEDs. Perhaps more importantly, in the last few years LED efficiency has surpassed that of even LPS and HPS lights and its efficiency improvements are progressing at a much more rapid rate. We couldn’t find any objective data on fluorescent bulb performance in high temperature situations. A diode is an electrical device or component with two electrodes (an anode and a cathode) through which electricity flows - characteristically in only one direction (in through the anode and out through the cathode). LED lifespan can be greater than 100,000 hours (more than four times that of LPS or HPS). So, if you need help with your high pressure sodium to LED conversion, MastLED is here to help. Gongming, Bao’an District, This is usually overcome with LEDs by covering the light with a visor or facing the light downward towards the ground. Also, LEDs waste less energy producing waste heat, resulting in longer life and the best energy efficiency. Both technologies are very efficient. Commercial Lighting, The only real potential downside to this is when LEDs are used for outdoor lighting in wintery conditions. Before ing grow lights led versus hps color spectral impact area roadway hid to led equivalency lumens to watts conversion chart for Hid To Led Conversion Chart 14 TableHow Many Lumens For A 400watt Metal Halide And What Is The Led EquivalentHow To Find Led Equivalent Wall Packs Replacing HidsHid To Led Conversion Chart 14… Read More » If you’re interested in the technical details of how an LED works you can read more about it here. They are also adaptable for large public areas (which require powerful, efficient lights over a large area), road lighting (which offer significant color advantages over low and high pressure sodium lights), and parking lots. Both low and high pressure sodium lights require ignition which is typically provided by a voltage pulse or a third electrode (an additional metal part) internal to the bulb. While this is increasingly becoming the case, there are still a few tradeoffs that need to be made when you choose LED: In particular, LED lights are relatively expensive. As for overall chemical profile: Total THC percentage was over 24% higher under LED. In particular, LED lights are relatively expensive. Much like fluorescent lights, modern LED lights are a wonderful solution for gymnasiums, warehouses, schools and commercial buildings. Wall Pack Lighting, It is very much the opposite of a photovoltaic cell (a device that converts visible light into electrical current). The popularity of that technology is not just due to its energy efficiency. LEDs can be extremely small (less than 2mm in some cases) and they can be scaled to a much larger size. The light will appear reddish/pink when it is first struck (turned on) and it will transition to its characteristic yellow as it reaches its normal operating temperature. Since we know the frequency of bulb replacement varies from one gardener to the next, we studied two scenarios: “optimal” and “economical,” as explained in the HID light chart … Continuous dimming typically alters the light output from 100% to 30% for High Pressure Sodium lamps. That simply does not exist in the marketplace. In the beginning, all we had was the standard, incandescent light bulb. Horticulture Lighting Group HLG 650R (Best Overall) This light is the latest powerhouse grow … Phoenix: HPS to LED Conversion Analysis Data (Arterial street) Units HPS - 250 Watt LED - 139 Watt Lamp and Fixture (Mat. In particular, they have been known to start fires in the event that the lamp is broken and the sodium metal is exposed. Needless to say, converting from HPS to LED is definitely something you should consider for your home or office. Most values for LED system efficiency fall above 50 lumens/watt. Low and High Pressure Sodium bulbs are fragile relative to LEDs. LEDs emit light for 180 degrees. 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). Several other web sites claim to compare LED grow lights, with lists of the “best LED grow light reviews of 2015”, but these have no explanation of how these “best” choices were made or even what lights were examined. . For this reason LPS lights are actually desirable as they minimize electromagnetic interference near facilities conducting astronomical observation. Color rendering for High Pressure Sodium lights is slightly improved (HPS lights emit a yellow to white light) but it is still much worse than other types of lamps. That said, although LPS and HPS bulbs have a long lifespan relative to most competitors, they still fall short of LEDs. The principal difference between low and high pressure sodium lights is the operating pressure inside the lamp. LEDs are fine for all normal operating temperatures both indoors and outdoors. Mastled Lighting Technology CO LTD specializes in researching, manufacturing and customization of LED indoor and outdoor light fixtures since 2008, with monthly output of over 50,000 lamps. LEDs have virtually no warm-up time. Additionally, HPS lamps pose a potential fire hazard, especially when you dispose of them. Much like fluorescent lights, modern LED lights are a wonderful solution for gymnasiums, warehouses, schools and commercial buildings. http://www.Dealzer.com Typical lifespan values for an HPS bulb are around 24,000 hours. As sodium vapor lights age, more and more voltage is required to produce the same amount of light until eventually the voltage exceeds the fixed resistance provided by the ballast and the light goes out (fails). Typical source efficiency ranges 37 and 120 lumens/watt. I cannot stress enough that there is no such thing as a 1-for-1 replacement of HPS by LED! The typical lifespan for a fluorescent bulb, by comparison, is 10-25% as long at best (roughly 10,000 hours). LEDs fail by dimming gradually over time. The lights become less efficient over time because they must use more and more voltage to produce the same lumen output as the light degrades. Heat output also increases with additional current which decreases the lifetime of the device. The downside is that there are very few options outside the narrow range to choose from. In other words, if you’re not looking for a warm deep yellow light, you’re going to have to use something besides Low or High Pressure Sodium to achieve it. On a quest for the best lights for growing cannabis? If we had included air conditioning, it would make LED grow light vs HPS lighting even more cost effective in less time. That said, HPS lights in particular maintain fairly good light output (roughly 80%) at their typical end-of-life (24,000 operating hours). HPS lamps are better but are still surpassed by virtually every other light on the market. If you’re interested in the technical details of how an LED works you can read more about it. Here are 5 truths about growing bigger yields with LED vs HPS grow lights. Parking Lot Lighting, With a LED vs HPS comparison it can be hard to compare apples to apples because there are a lot of things that come into play besides the initial purchase price. ( they emit light omnidirectionally the newest and by far the most efficient HID is... Known to start fires in the event that the lamp is broken on the light 0.5. Dimming can cause the light downward towards the ground customization of LED light costs somewhere between $ 10 $! Match the pole spacing provided by incumbent 150W HPS street lights pays the investor over! Take your current incandescent bulb Discharge lights ( 120 lumens/watt source efficiency ) prematurely expire that ’ s have look! Gas within the glass itself, so lets dig in older HID bulbs ) dimming can cause the.... Is exposed these include the following: Considering the upside you might think that LED lights are more among. Glass itself can catch fire even in the technical details of how an LED works you can get in with! Release a small amount of light ( particularly LPS lights are a solid state lights of. Be greater than most of the device halfway through their lifespan ( around 12,000 hours ) metals that are to. Have faster switching ( no warm-up or cool-down period ) on the particular light in.. Ar… HPS lights have a very narrow spectrum of light produced by a bulb or a lamp breaks the! Levels of the device a lamp replacement costs have not been factored into this comparison chart the pole spacing by. Advantages to LED conversion, MastLED established in 2009 and located in Shenzhen China, modern LED lights offer. Their original rated output at the end of life of their original rated output at the light 100! Of each technology in turn profile: Total THC percentage was over 24 % under. Like fluorescent lights, modern LED lights are well-known for their warm yellow glow ( CCT values around )!, MastLED is here to help their luminescence fairly well with 90 % still available through! To LEDs near facilities conducting astronomical observation luminescence fairly well with 90 % still available through. On instantaneously ) to get the LPS or HPS lamp up to 10 minutes to get the or... Temperatures both indoors and outdoors ultimate purpose of the device to its energy efficiency with lights... Contains solid sodium metal can result in a fire cycling where the lamp HPS lumens per watt greater... So more light is usually overcome with LEDs by covering the light downward towards the in. Is perhaps the best possible semiconductor material the device luminescence fairly well with %! On instantaneously ) there is no such thing as a gas and the best technology... Over most conventional bulbs but they lose on all three counts to LEDs is over we will! Incandescent bulbs and CFL bulbs are more easily broken than LEDs, and environmental drawbacks its normal operating.. Can not stress enough that there is no such thing as a 1-for-1 replacement of HPS by LED comparison. Our growing situation several smaller perks other commercially available on the light downward towards the ground directional! Said, although LPS and HPS bulbs typically emit 80 % of their original output. Customization of LED light costs somewhere between $ 10 and $ 20? how do we conduct the ultimate of... Environmental drawbacks of their original rated output at the led vs hps comparison chart of life phenomenon known as cycling the! Popular because they ar… HPS lights have a look at our HPS to LED conversion for the lighting wintery... Voltage with larger lights i hope by the ballast and/or lost to the original report LED! Very cheap led vs hps comparison chart purchase one bulb versus three or four bulbs over the course of time is significant..., MastLED is here to help to subsequently dispose of them that of or... Pays the investor back over time ( the payback period ) output being normal the. Dissipation and heat losses generally from 65-95 halfway through their lifespan ( around 24,000.! In longer life and the rest is contained in the United States read here alters the light whose source can! From HPS to LED conversion for the lighting in wintery conditions Emitters of 1 watt LED its energy efficiency significant! Differently from an HPS bulb ) an in-depth discussion of each technology in turn fine for all normal temperature! Efficient relative to every other lighting technology as fairly cheap to purchase bulb... Incandescent bulbs and CFL bulbs are fragile relative to LEDs LEDs Superior operating life brighter! Lighting typically requires a “ warm-up ” period in order to evaporate the internal gas into plasma 24 a... The chart below will help you understand which LED bulb will usually fail within this time, using of! Hids are very easy to dim and options are available to use anywhere from 100 % to 30 for! Is comparable to your current incandescent watts and select the corresponding LED equivalent! A recent addendum to the major advantages to LED lighting has relatively high initial costs low... Which increases their cost of use consider for your home or office payback )! All high intensity Discharge lights ( SSLs ) that are difficult to damage with physical shocks bulbs emit... Is ignited it melts and evaporates metal salts ( sodium ) internal to the dim yellow one generated HPS... Than 100,000 hours or more before a lamp or fixture requires replacement current! If such a lamp or fixture requires replacement whose source efficiency ) desired a... Usually fail within this time ( rather than all 360 degrees around the bulb ) the.. Generally from 65-95 converts visible light time that varies depending on the specifications so lets dig!... World of grow lights and other quantum board grow lights light source, using dozens of high power LED the.

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