Mar 10, 2020 highpressure sodium lamps also known as hps lamps or hps lights are a type of sodium lamp that is widely used in industrial lighting and many public outdoor areas. Generally, the vapor pressure is lower and the starting gas is ionized more easily with this configuration than it is with convention probe start metal halide lamps. Due to the long life, efficient energy usage and good vision, sodium vapor lamps are used for street lighting. The outer bulb may be clear or coated with a phosphor. A mercuryvapor lamp is a gas discharge lamp that uses an electric arc through vaporized mercury to produce light. Better efficiency, life and size are few of the advantages of hps lamp over lps lamp. The spectrum of light there are other factors in choosing an electric lamp. Sodium vapor lamps are very effective in fog while fluorescent lamps produce little glare.
One continuous dimming system that nlpip evaluated. Fluorescent lamp and working principle of fluorescent lamp. Mar 15, 2020 a lowpressure sodium vapor lamp or lpsv lamp is termed as a miscellaneous discharge lamp as it possesses some characteristics of highintensity discharge hid lamps as well as it resembles fluorescent lamps in other areas. Typical lighting wattages the following is a basic guide to typical lighting equipment wattages. Pdf modeling and checking the power quality of high pressure. Lamp manufacturers recommend that after starting an hid lamp, the dimming system should operate the lamp at full power for 10 to 15 minutes before dimming. This development took place in the 1960s of the twentieth century. Warnings,cautions and operating instructions for ceramalux high pressure sodium lamps ceramalux high pressure sodium lamps low total cost of ownership long lifeup to 24,000 hours high efficacy up to 140 lpw. Get free 2day shipping on qualified high pressure sodium, hid bulbs products or buy lighting department products today with buy online pick up in store. The high pressure sodium lamps have excellent colour rendition with a white colour appearance. The xenon gas which is easily ionized, facilitates striking the arc when voltage is applied across the electrodes. High pressure sodium lamps lighting associates, inc. Sodium vapor lamp is the most energy efficient of all other lamps because it uses all its current to produce yellow light. Sodium vapour lamp, electric discharge lamp using ionized sodium, used for street lighting and other illumination.
Lumalux super and sox lamp ratings are based on measurements at constant input voltage. High pressure sodium lamp with clear tubular outer bulb philips. The arc tube of this lamp contains sodium and mercury. The lamp heats and the sodium is the last material to vaporize. Existing fluorescent fixture ballast type can be determined by looking at the ballast. The inner surface of the lamp is coated with a fluorescent and often slightly phosphorescent coating made of varying blends of metallic and rareearth. Sodium retaining reservoirsprovide even distribution of sodium for 100% lumen maintenance, long lamp life and lamp wattage control. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Care must be taken when choosing a system to consider how these. High pressure sodium vapor lamp download pdf info publication number us3248590a. Philips lighting c150s55alto high pressure sodium, ceramalux. Google has not performed a legal analysis and makes no representation. High pressure sodium lamp hps lamp the hps lamp is the most ubiquitous lamp for street lighting on the planet.
Highpressure sodiumvapor lamps request pdf researchgate. Comfort high pressure sodium for improved color rendering. This blog showcases in detail the working of high pressure sodium vapour lamp. A sodiumvapor lamp is a gasdischarge lamp that uses sodium in an excited state to produce light. Modeling and checking the power quality of high pressure sodium.
Lumen rating sylvania high pressure sodium lamps, with the exception of lumalux super and sox lamps, are based on burning cycles of at least 10 hours per start and ballasts which meet ansi standards. Compared to incandescent and fluorescent lighting, this high pressure sodium lamp is extremely efficient. Abstract high pressure sodium vapor lamps due to long service life high light, as the most comprehensive street lighting and industrial lighting whose use is. Authority us united states prior art keywords sodium lamp pressure mercury millimeters prior art date 19630301 legal status the legal status is an assumption and is not a legal conclusion. Philipsmetalhalideallstartcdm lamps allwattagebis33620.
A fluorescent lamp tube is filled with a gas containing low pressure mercury vapor and argon, xenon, neon, or krypton. High pressure sodium hid bulbs light bulbs the home depot. This test is used to determine if an item can be managed as hazardous. Choose from our son high pressure sodium philips you are now visiting our global professional lighting website, visit your local website by going to the usa website philips lighting. The mercury vapor raises the gas pressure and operating voltage, and the sodium vapor produces light when the pressure within the arc tube is sufficient.
Each element type causes the lamp to have somewhat different color characteristics and overall lamp efficiency as described below. Retrolux high pressure sodium replace mercury vapor with energy efficient hps. In a high pressure sodium lamp, a compact arc tube contains a mixture of xenon, sodium and mercury. All high pressure sodium lamps contain some amount of mercury.
Pdf the influence of high pressure sodium lamps on the power. A sodium vapor lamp is a gasdischarge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm there are two varieties of such lamps. View and download lithonia lighting oald 100mv 120 p lp installation instructions online. Low pressure and high pressure sodium vapour lamp gktoday. In this paper, taking into account the magnetic ballast for a highpressure sodium vapor lamp, a precise simulation of these lamps was performed. In mediumpressure mercuryvapor lamps, the lines from 200600 nm are present.
Lamps with a limited spectrum use their input energy. Low pressure sodium vapor lamps orange hid lights used primarily in commercial settings. A low pressure sodium vapour lps lamp contains an inner discharge tube made of borosilicate glass that is fitted with metal electrodes and filled with neon and argon gas and a little. Mercury vapor lamps come in a variety of wattages ranging from 40750 w, and have. Traditional light sources such as mercury vapour, high pressure sodium hps and low pressure sodium lps have poor spectral content and colour rendering. Request pdf highpressure sodiumvapor lamps the striking feature of sodiumvapor lamps is their radiation dominated by the emission of two resonance. The mercury vapor raises the gas pressure and operating. High pressure sodium vapor lamps whiteyellow hid lights used for street lamps and out door home security lighting. Ushio germicidal lamps are low pressure mercuryarc lamps that emit radiation peaking at 253. May 22, 20 there are two types of sodium lamps lowpressure lps highpressure son. They are heralded because of the quality of light they produce. Jul 05, 2017 sodium vapor lamps emit yellow light only. Highpressure sodium lamps also known as hps lamps or hps lights are a type of sodium lamp that is widely used in industrial lighting and many public outdoor areas.
Standard lumalux standard lumalux lamps are known for high efficacy, long life, and reliability. Energy emission covers almost the entire visible spectrum, creating a bright white light that reflects all. The following information is provided by ledvance, llc as a courtesy to its customers. Explosion proof type high pressure sodium vapor lighting fittings. Universalwaste regulations for hazardous lamps and. Browse the sont products and find the product that you are looking for by using. Pdf the influence of high pressure sodium lamps on the. Low pressure sodium lamp the first sodium lamp that was developed was lps lamp. Aug 20, 2016 a fluorescent lamp tube is filled with a gas containing low pressure mercury vapor and argon, xenon, neon, or krypton. The most efficient lighting sources available today are high intensity discharge hid and lowpressure sodium lps lamps.
Pdf the high pressure sodium lamp is a high energy outdoor light source. A sodium vapor lamp is a gasdischarge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. A fundamental study on current industrial lighting systems by. Soxe lamps are distinguished by the use of the black bases compared to the tan bases used on sox lamps. A big driver behind their use is their high efficiency. Low pressure sodium lamps are highly efficient electrical light sources, but their yellow light restricts applications to outdoor lighting such as street lamps. Due to the limited luminous efficacy and color rendering of highpressure mercuryvapor lamps, novel lamp types were needed to increase the energy efficiency as. A highpressure sodiumvapor lamp a sodiumvapor lamp is a gasdischarge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.
Choice of combined ballast or separate ballast type and four types lamp. It can be used were any traditional 150 watt high pressure sodium ed23 12 light is used. In a high pressure sodium vapor lamp, sufficiently small quantities of sodium and mercury are inserted therein so that all of the added sodium and mercury will be vaporized when the lamp is operated. Lowpressure sodium lamps are one of the most efficacious light sources. A sodiumvapor lamp is a gasdischarge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. High pressure sodium hps lamps are smaller and contain additional elements such as mercury, and produce a dark pink glow when first struck, and an intense pinkish orange light. High pressure sodium ballasts at because they are second only to low pressure sodium as the most efficient and longest lasting of all hid lighting sources, hps lamps are used in streetlights, parking lot lights and other outdoor lighting fixtures more than any other hid light source. The lamps can be constructed to emit primarily in the uva around 400 nm or uvc around 250 nm. They are commonly used in public parking lots, roadways, and other security areas. Hid shortcircuit lamp current to assure the ballast is delivering the proper current under lamp starting conditions, a measurement may be taken by connecting an ammeter between the lamp socket center pin and the socket shell with rated input voltage applied to the ballast.
This philips high pressure sodium 150 watt light bulb has a noncycling technology to help reduce longterm maintenance cost because it will fail to off when it is at its end of life. Basically, an lpsv lamp is a gas discharge lamp that uses sodium in an excited state to produce light. High pressure sodium street lights philips light bulbs. Uv germicidal low pressure mercuryarc grm ushio america. The arc then heats up the mercury and the mercury vapor then lights, giving the lamp a bluish color. Dispose of in accordance with federal, state and local requirements. A highpressure sodium ballast is responsible for regulating the pressure in light fixtures that use high pressure sodium gas to produce the light. Pdf click on the lamp product number to view detailed lamp specifications click on the. Mercury and high pressure sodium lamps may be operated in any burn position and will still maintain their rated performance specifications. Benefits of high pressure sodium the main benefit of using hps is that they are the only light source with a similar efficiency. High pressure sodium lamps are one of the most efficient hid light sources available. It uses mercury and sodium vapor combined to create a yellowpink light. The lamp is an improvement over the lps lamp in that it has more acceptable color with the great efficiency of the sodium lamp. The construction and applications of sodium vapour lamps.
They have an efficiency of up to 190 lumens per watt compared to an incandescent street lamp which has between 15 and 19. Philips lighting c150s55alto high pressure sodium, ceramalux lamp, 150w, ed2312. The quantities are so selected that a completed lamp exhibits high efficiency, remarkable color rendition and durability. From this time to 1920 various kinds of experiments had been done to develop the low and high pressure electric discharges in the mercury and sodium vapor. Sodium lamp performance is directly related to the gas pressure inside the arc cylinder. Sylvania brand high pressure sodium lamps, manufactured by ledvance, llc, are exempted from the requirements of the osha hazard communication standard 29 cfr 1910. High pressure sodium hid bulbs light bulbs the home.
For industrial, commercial, street, and much more, the plusrite 2045 lu100ed23. It comes in different shapes and requires a ballast to start it. The high pressure sodium lamp is a source of interference. This highefficiency highpressure sodium vapor lamp is outstandingly economical. Because of this, they are not used for everyday lighting purposes, even though they give extremely high output. They are also commonly found in an indoor garden setting. The heat generated by the arc then vaporizes the mercury and sodium. High pressure sodium hps lamps are smaller and contain additional elements such as mercury, and produce a dark pink glow when first struck, and an intense pinkish orange light when warmed. Highpressure mercuryvapor lamps are those lamp commonly used for general lighting purposes.
Pressure mercuryvapour lamp in public lighting, journal of. Product information high pressure and specification. Lamps are available from 35 to 150 watts in medium base and 50 to. Expired lifetime application number us263676a inventor schmidt kurt. With the exception of one hid lamp mercury vapor hid and lps lamps produce the most light per watt of any light source. Actual wattage for fixtures that are replaced will depend upon the lamps and ballasts used. Nowadays, highpressure sodium hps lamps are widespread.
High pressure sodium lamps may be used in open luminaires except for item 67527 lu400t7 rsc and sox low pressure sodium, which must be operated in an enclosed fixture. High intensity discharge hid lighting systems are subject to a wide range of variations that may affect final lighting levels. According to wikipedia, high intensity discharge hid lighting is a type of electrical gasdischarge lamp that produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. Mercury vapor lamps high intensity discharge hid lamps with blue white light, used as exterior yard lights. Us4075530a high pressure sodium vapor lamp of unsaturated. Now lets look at low pressure and high pressure sodium lamps. Our friendly customer service staff can help locate hardtofind items and. They are used for things such as security lighting.
Venture lightings high pressure sodium lamps hps lamps. When a high pressure sodium lamp is to be disposed, it is subject to the current epa toxicity characteristic leaching procedure tclp disposal criteria. Increasing arc tube pressure improves the colour appearance of reds, blues, and greens. The sodium is mixed with other impurities to create a more white light. High pressure sodium lamps or hps lamps electrical4u. Mercury lamp replacements high efficiency choice 12 ez lux converts mercury sockets to highly efficient high pressure sodium lighting direct replacement for mercury lighting more efficient, higher lumens than mercury14% energy cost savings and at least 40% more light iline multivapor converts mercury sockets to. Cleveland, oh 44112 usa less than 1% of the mercury in a high pressure sodium lamp is in vapor form and will be released if a lamp is accidentally broken. Instant restrike high pressure sodium dual arctube delivers 40,000 hours rated average life vs. Sont son high pressure sodium philips philips lighting. In 1852, sir george stokes had discovered transformation of the ultra violate ray radiation into visible radiation. Browse the sont products and find the product that you are looking for by using the compare option. Pdf high pressure sodium vapor lamps due to long service life high light, as the most comprehensive street lighting and industrial lighting whose use. Satco is a leading supplier of lighting products, with solutions for nearly every lighting market across the commercial, residential and industrial landscape.
Designed by experienced engineers, and by using quality material in combination with a tightly controlled manufacturing process, we provide high quality lamps free of impurities to maintain strong and stable output throughout life of the lamp. Hps lamp is the better version of its counterpart lps lamp. The high pressure sodium lamp is a high energy outdoor light source that belongs to the high intensity discharge lamp family. Sodium vapor lamps are some of the most efficient lamps in the world. High pressure sodium lights work by creating an electric arc through vaporized sodium metal, while additional materials and gases work to start the lamp and control the its color. High pressure sodium lamps are the most efficient artificial white light source with about 29% of the energy used by the lamp producing light. A sodium vapor lamp is a gasdischarge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm two varieties of such lamps exist. Due to the long life, efficient energy usage and good vision, sodium vapor lamps. Retrofitting with high efficiency hid lamps the most efficient lighting sources available today are high intensity discharge hid and low pressure sodium lps lamps. Metal halide and low pressure sodium lamps, however. The sodium is mixed with other impurities to create a. Lowpressure sodium lamps are highly efficient electrical light sources, but. This leads to visual fatigue and confusion when working with coloured wires, safety plaques, liquids, objects or smoke. As a result, lamp performance on actual systems may vary due to lamp orientation, ambient temperatures, ballast variations, line voltage and other reasons.
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