High pressure sodium and lowwattage metal halide lamps require a starter that provides a highvoltage pulse to start the lamp. 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. The heat generated by the arc then vaporizes the mercury and sodium. There are several differences between low and high pressure sodium lights. Low pressure sodium lamp nd20 gp20na1 15v20w polarimeter refractometer bulb. There is a brief warmup period for the lamp to reach full brightness. They have an efficiency of up to 190 lumens per watt compared to an incandescent street lamp which has between 15 and 19. Survey other police departments in cities having either high or low pressure sodium lighting or both to inquire about the impact on law enforcement. Contains easytounderstand explanations and examples for commercial and industrial energy technologies. Low and highpressure sodium lights are found in parking lots and areas where security is important. Low pressure sodium lighting flagstaff dark skies coalition.
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. Venture offersquality hps lamps that operate on our matching hps basllasts. Sylvania brand low pressure sodium lamps are exempted from the requirements of the osha hazard communication standard 29 cfr 1910. A lowpressure sodiumvapour 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 metallic sodium. When a high pressure sodium lamp is to be disposed, it is subject to the current epa toxicity characteristic leaching procedure tclp disposal criteria. It has a by22d base, and an average rated life of 16000 hours.
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. High pressure sodium lamp with clear tubular outer bulb. The lamps are also physically largeabout 4feet long for the 180watt sizeso light distribution from fixtures is less controllable. This data sheet covers all satco hygrade brand high pressure sodium lamps for general lighting applications. Philips sox 18 18w low pressure sodium l69 topbulb. This test is used to determine if an item can be managed as hazardous. Noncycling high pressure sodium lamp with up to 40,000 hours life. Since its commercial introduction in 1932, the low pressure sodium lamp has consistently maintained its enviable position as the most efficient light source available. Led sox lamp 100 watt replaces 180w lps bypass ballast 11,580 lumens 2200k. High pressure sodium lamps or hps lamps electrical4u. In a high pressure sodium lamp, a compact arc tube contains a mixture of. The following information is provided by osram sylvania as a courtesy to its customers. Low pressure sodium lamp nd20 gp20na1 15v20w polarimeter.
C 35w low pressure sodium or sox lamp ignition and run. The lamp works by creating an electric arc through vaporized sodium metal. Lumalux super and sox lamp ratings are based on measurements at constant input voltage. It is still widely used in certain cities like bogota, san diego, and some european. Advance 71a0490001d 55 watt l71 low pressure sodium ballast kit.
Quantity the base bid shall include the indicated number of low pressure sodium lps luminaires 55w complete with internal ballast and 55 watt lps lamp wired and erected as hereinafter specified. The spectral power distribution of the low pressure sodium lamp is compared with several other common light sources, as well as daylight, in figure s5. Even though they emit a yellow light, a lowpressure sodium lamp should not be confused with a standard highpressure sodium lamp, which is a high. The black appears much blacker when lit with sox light, succinctly demonstrating how contrasts are enhanced with this light source. Lowpressure sodium lighting causes, overall, the lowest environmental impacts of. Lowpressure sodium lamps are one of the most efficacious light sources. Sox low pressure sodium lamps all wattages section 1 manufacturer manufacturers name and address. Their arc tubes contain sodium, and the metal salt included is typically mercury. Sodium vapor lamps are some of the most efficient lamps in the world.
This lamp contains sodium, which can generate significant heat when exposed to small amounts of. Positive lamp shutdown when sylvania lumalux pluseco lamps reach end of life they shut down, once and for all. High pressure sodium lamps shall have a mogul base, a 24 000 average rated life hours at 10 hours per start, and a lamp burning position as required by the luminaire and lamp manufacturers. Lowpressure sodium lighting is a monochromatic source and is often rejected for its deficiency in supporting color. Lowpressure 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.
Lamp voltage v 90 540 4 100 540 4 100 535 415 100 530 410 100 525 415 lamp current emcufe a 0. High pressure sodium applications hps lamps, unlike most metal halides, do not require enclosure except to prevent moisture from accumulating on the lamp. It has a long life of up to at least 24,000 hours and is available in a wide range of bases and wattages. The xenon gas which is easily ionized, facilitates striking the arc when voltage is applied across the electrodes.
They are commonly used in public parking lots, roadways, and other security areas. American national standard for electric lamps performance specifications for direct replacement led light emitting diode lamps american national standard for lamp ballastsballasts for highintensity discharge and lowpressure sodium lps lamps multiplesupply type. High pressure sodium bulbs hps are available in either medium or mogul base options and are ideal for replacing existing lamps or adding to a new lighting system to bring high intensity discharge hid lighting to indoor or outdoor applications. Microcontrolled electronic gear for low wattage metal halide mh and high pressure sodium hps lamps. Lowpressure sodium lamps operate much like fluorescent lamps and require ballast. 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. Sodiumvapour lamp, electric discharge lamp using ionized sodium, used for street lighting and other illumination. Pdf microcontrolled electronic gear for low wattage. Low and high pressure sodium lights are found in parking lots and areas where security is important. The low pressure sodium arc discharge lamp was first made practical around 1920 owing to the development of a type of glass that could resist the corrosive effects of sodium vapor. All high pressure sodium lamps contain some amount of mercury. High pressure sodium lamp hps lamp the hps lamp is the most ubiquitous lamp for street lighting on the planet. There is no inconclusive change of color and no endoflife cycling. A lowpressure sodium lamp is shown in the image below.
Lamptech museum of electric lamp technology sox lowpressure sodium. The lowpressure sodium lamp is also known as an lps lamp. Low pressure sodium light has a number of very unique properties arising from its spectral output, many of which make it technically the most suitable light source for road lighting and these are covered in detail on the next page. Low pressure sodium lamps soxe and sox warmup characteristics effects of input voltage variations lamp volts lamp current lamp watts light output lamp volts lamp current lamp watts light output. High pressure metal halide lamps high pressure sodium.
May 22, 20 there are two types of sodium lamps lowpressure lps highpressure son. Low pressure sodium sox lamps are designed primarily for use in remote general lighting applications. Unfollow high pressure sodium lights to stop getting updates on your ebay feed. Son high pressure sodium sont dimensions in mm sont e40 product description highpressure sodium vapour lamps with a sintered aluminium oxide discharge tube enclosed in an evacuated hardglass outer. Dec 06, 2011 the low pressure sodium lamp is also known as an lps lamp. Hid, glazed porcelain lampholder, low pressure sodium, single circuit, back wired, white product information technical details. Check out these low pressure sodium sox bulbs at from top brands. High pressure sodium lamps lighting associates, inc. These bulbs have a long rated life and high efficency, but virtually no ability to render color. Philips lighting company lamp material data sheet lmds lmds. Operating hps lamps at less than full output, however, produces color shift, changes in cri, and reduced lamp efficacy.
Other materials and gases are used to help start the lamp or control its color. It is still widely used in certain cities like bogota, san diego, and some european cities. See the photos lower on this page for more details. Venture lightings high pressure sodium lamps hps lamps. The very yellow color does not attract insects but it distorts colors. High pressure sodium hps lamps, a member of the high intensity discharge. Philips lighting company lamp material data sheet lmds. Lamp disposal procedures normal precautions should be taken for the collection of glass particles in the event a lamp is broken. A sodiumvapor 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. High pressure metal halide lamps high pressure sodium lamps. The runup usually takes between 1215 minutes but i have sped it up. High pressure sodium philips hid bulbs the home depot.
The arc tube of this lamp contains sodium and mercury. Low pressure sodium ballast lps ballast sox ballast. Bullough, lighting design and application, september 2004. 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.
These operated at pressures of less than 1 pa and produced a near monochromatic light spectrum around the sodium emission lines at 589. A sodiumvapor lamp is a gasdischarge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Low pressure sodium lamps, the most efficient gasdischarge lamp type, producing. Lowpressure sodium lamp synonyms, lowpressure sodium lamp pronunciation, lowpressure sodium lamp translation, english dictionary definition of lowpressure sodium lamp. The mercury vapor raises the gas pressure and operating. Lowpressure sodium lamps are highly efficient electrical light sources, but. Commission, public interest energy research program, 2002 pdf, 1. Low pressure sodium bulbs produce light in a very narrow, yellow region of the visible spectrum.
The construction and applications of sodium vapour lamps. Low pressure sodium lamps are used in outdoor lighting of some parking areas and bridge underpasses. The gas that is present is usually xenon, which is used for starting the lamp. Product information high pressure and specification.
Philips ceramalux 150watt high pressure sodium hid light bulb is an efficient lighting solution for industrial applications such as warehouses, post top lights and parking lots. Soxe lamps are distinguished by the use of the black bases compared to the tan bases used on sox lamps. Sodium lamp performance is directly related to the gas pressure inside the arc cylinder. Pdf click on the lamp product number to view detailed lamp specifications. Lowpressure sodium lampsproducing up to 180 lumens per watthave the highest efficacy of all commercially available lighting sources. The lights require up to 10 minutes to start and are best used when they can stay on for hours at a time.
Click on the icon to the right to download the latest version of adobe. This philips sox 18 bulb with ansi code l69 uses 18 watts and 120 volts. High pressure sodium lamps fall into this category. Increasing arc tube pressure improves the colour appearance of reds, blues, and greens. Sodium retaining reservoirsprovide even distribution of sodium for 100% lumen maintenance, long lamp life and lamp wattage control. In recent years, increasing competition from other discharge lamps is resulting in a slow decline in its market, but it continues to be specified for new installations. Sodium retaining reservoirs provide even distribution of sodium for 100% lumen maintenance, long lamp life and lamp wattage control. Mar 10, 2020 high pressure 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.
Because their construction and performance is in many ways different, they are dealt with in two different. Leviton 8806 bayonet base, onepiece, keyless, hid, glazed porcelain lampholder, white light sockets. While these lamps are highly energyefficient they are rarely used because all objects under their light appear to be yellow or yellowgray. Philips lighting north america corporation 200 franklin square drive. 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. Endoflife cycling, a common occurrence with standard high pressure sodium lamps, describes a lamp that. Nos osram sox 18 w low pressure sodium lamp made in great britain collectable. Figure s5 spectral power distributions of various light sources. All credits and sources are located at the bottom of each lighting page. In a high pressure sodium lamp, a compact arc tube contains a mixture of xenon, sodium and mercury. Ordering code bulb soxe 18 t17 sox 35 t17 sox 55 t17 sox 90 t21 sox 5 t21 sox 180 t21. Luminaire the luminaires shall be suitable for attachment by means of a. Get free 2day shipping on qualified philips, high pressure sodium, hid bulbs products or buy lighting department products today with buy online pick up in store.
The runup usually takes between 1215 minutes but i have sped it up for the video to about 1 minute. There are two types of sodium lamps lowpressure lps highpressure son. High pressure sodium lamps, invented in 1931, use sodium in an excited state to produce light. See also lps costs lowpressure sodium, like all lighting types, has its own. Low pressure sodium lamps soxe, sox platt electric supply. Figure s7 shows the appearance of a piece of black cloth and white paper illuminated half with a low pressure sodium sox lamp and half with high pressure sodium son type. Led810040k led sox lamp 20 watt replaces 35w lps bypass ballast 3020 lumens 4000k bayonet base light efficient design led810040k. Sodium gas discharge lamps can be distinguished in two main groups. Dual arc tubes for instant restrike and twice the life.
Sodium vapour lamp, electric discharge lamp using ionized sodium, used for street lighting and other illumination. When current passes between the electrodes, it ionizes the neon and argon. When a high pressure sodium lamp is to be disposed, it is subject to the current epa toxicity characteristic leaching procedure tclp. Dimming is limited to about 50% of full light output. Dispose of in accordance with federal, state and local requirements. In addition, the large physical size of the lamp means that it has a low surface luminance so it is less likely to give rise to glare, and the low operating. Satco is a leading supplier of lighting products, with solutions for nearly every lighting market across the commercial, residential and industrial landscape. Leviton 8806 bayonet base, onepiece, keyless, hid, glazed.
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