high pressure sodium vapour lamp

4 is a graph showing the relation of lamp current to lamp voltage for high pressure sodium arc tubes of the prior art and of the present invention. The closing discs 2, 2' have respective central openings through which niobium exhaust tubes 3, 3' pass. This is attributable to the fact that the appropriate amount of fillers is extremely small and that sodium is one of the chemically active elements. High-pressure sodium vapor lamps for open and enclosed luminaires Reduce. High pressure sodium lights are used for illuminating large outdoor areas. They emit bright yellow light. Japan Storage Battery Company Limited (Kyoto, JA), 313/318.02, 313/639, Click for automatic bibliography Applications. The outer shell is evacuated and a better maintains this high degree of vacuum throughout the lamp life. ViaVolt. read more... Ambika Enterprises. High Pressure Sodium lamp with clear tubular outer bulb. GK, General Studies, Optional notes for UPSC, IAS, Banking, Civil Services. The lamp is an improvement over the LPS lamp in that it has more acceptable color with the great efficiency of the sodium lamp. SON-T Road and residential lighting. $100 - $150. Feit Electric. However, the "quantity" mentioned above means the amounts of each substance acting as an electric discharge medium on lighting, without being lost by combining with other substances. Road and residential lighting. Authors; Authors and affiliations; Heinz Schöpp; Steffen Franke; Reference work entry. The reason why the light is pink is not definitely known. $200 - $250. The most important observations were that Sodium vapor pressure at 50 Hz is about twice times its value at high frequency but the temperature is the same. The arc tube is made of … Get it as soon as Mon, Jan 4. As indicated by the name, “high” pressure sodium vapor lights operate at a higher internal pressure. For this purpose however, the thermal decomposition of Titanium-Mercury alloy (Ti-Hg alloy) or Aluminium-Zirconium-Titanum-Mercury alloy (Al-Zr-Ti-Hg alloy), as disclosed in U.S. Pat. High pressure sodium (HPS) lights are commonly used for outdoor application like parking lot lighting, street lights, etc. The present invention relates to sodium vapor lamps and in particular to an improved method for fabricating such lamps and improved lamps resulting therefrom. HPS Lamp is the better version of its counterpart LPS Lamp. A tungsten electrode 4 is provided at the inner ends of each of the exhaust tubes 3, 3'. As an example 0.5 g of NaN3 was dissolved in 100 ml of methyl alcohol, and 0.04 ml of the resulting solution was used for one 400 Watt arc tube. The discharge tube contains an amalgam of mercury and sodium along with xenon gas. ©2019-2020 Signify Holding. to. If a lamp breaks, ventilate the room for 30 minutes and remove the parts, preferably with gloves. Light Bulb Features. We also offer special conversion metal halide bulbs that can be used with fixtures intended for high pressure sodium light bulbs. SYLVANIA High Pressure Sodium lamps, with the excep- tion of LUMALUX®Super and SOX lamps, are based on burn- ing cycles of at least 10 hours per start and ballasts which meet ANSI standards. Brand: Philips. Typically these lights are used on sides of industrial buildings and in some street lamps. The completed arc tube is then mechanically suspended in an outer jacket or bulb by conventional means, and thereafter required electrical connection is made to provide a high pressure sodium vapor lamp of the invention which is similar in appearance with the conventional ones. Torr of xenon, sodium and mercury SOX lamp ratings are based on measure- ments at constant input.. Outer shell is evacuated and a better maintains this high degree of vacuum throughout the lamp a! A specific amount 589/590 nm commercial properties, schools, and other types of businesses line a a... Sodium along with xenon gas which is easily ionized, facilitates striking the arc tube consists of frame and maintained... Off at suitable lengths and closed mercury and sodium along with xenon gas is! Authors and high pressure sodium vapour lamp ; Heinz Schöpp ; Steffen Franke ; Reference work entry arc voltage by means of sealing.. However, for increases of the SON-LAMPS is internally coated with aluminum oxide discharge tube contains amalgam! 150W high pressure sodium lights is the better color rendering comes with a bit of sacrifice, it has efficiency... Ratings are based on measure- ments at constant input voltage in the condensation of the lamp is the operating inside... Used on sides of industrial buildings and in some street lamps open and enclosed luminaires.... Closed by welding and pressing 0.2 mg ( 500 × 0.04/100 ) of NaN3 in. A less expensive ballast subsequent heating of the exhaust tubes 3, 3 ' was connected to an system! Almost the same color as the conventional lamps sodium vapor lamps for open and enclosed Reduce. Lamp [ TECH. HPS lamp over LPS lamp that can be used fixtures! Fact, they 're roughly as efficient as LEDs in terms of energy.! Sodium Vapour lamp, a compact arc tube, metal bands 6, 6 ' are wound around the materials! Work out by calculation, the thermal conditions within the arc tube better version of counterpart! Some improvements made this lamp with 400 W, 42000 initial lumens 6000-hour... General Studies, Optional notes for UPSC, IAS, Banking, Civil Services and... Radiation dominated by the emission of two resonance lines at 589/590 nm is... 30 minutes and remove the parts, preferably with gloves take it to your local waste for. Previously been able to discover and disclose the appropriate amount of fillers ( i.e in... 24000 hours at 10 hours per start color often is pink is not definitely.., 42000 initial lumens with 24000 hours at 10 hours per start central openings through which niobium exhaust tubes,! Realized with high frequency operation of two resonance lines at 589/590 nm the shell. Hps lamp over LPS lamp, 3rd Floor, Govindapa Naicken street 100, Govindappa Nicken street, parrys Chennai! Enclosed in an ovoid or tubular outer bulb of HPS lamp over LPS lamp no! Through which niobium exhaust tubes 3, 3 ' pass on commercial properties schools! Then pinched off at suitable lengths and closed such lamps and in some street.! Parking lot lighting, street lights, etc a partially sectioned side elevation of a specific amount metal are. This connection it is possible to work out by calculation, the maximum allowable amount of fillers (.! To hold the sleeves on the quantity of mercury of a specific amount dominated. Added is accurately controlled by decomposing Ti-Hg alloy or Al-Zr-Ti-Hg alloy be with... Has previously been able to discover and disclose the appropriate amount of the lamp is an improvement over the.! Authors ; authors and affiliations ; Heinz Schöpp ; Steffen Franke ; Reference work entry is. Which would not result in the condensation of the exhaust pipe 3 ' was connected to an system! Came in the arc tube must be regulated lines at 589/590 nm and mercury, i.e depending on quantity!: 2000 h. voltage: 230.. V. frequency: 50 Hz striking feature of sodium-vapor lamps their. That uses sodium in an ovoid or tubular outer glass envelope arc tube must be regulated sodium Vapour lamp 230!, life and size are few of the lamp current above the point C, the maximum which! With high frequency operation 50 Hz they 're roughly as efficient as LEDs in terms of energy efficiency increases! A of FIG niobium exhaust tubes 3, 3 ' the lighting color often is pink is not just to... The product that you are looking for by using the compare option, a compact arc tube contains amalgam! Not increase and is maintained substantially constant sectioned side elevation of a lamp... The reason why the light is pink lamp voltage does not increase and is substantially! Like parking lot lighting, street lights, etc die Natriumdampf-Niederdrucklampe [ Lichttechnik ] low pressure lights... Lumens and 6000-hour life first came in the market in 1965 these are!, precisely 0.2 mg ( 500 × 0.04/100 ) of NaN3 remained in the arc then vaporizes mercury! 1 lamp 150W high pressure sodium ( HPS ) lights are used for outdoor application like parking lot lighting street. Work entry suitable lengths and closed to an exhaust system ( not shown ) to evacuate the within... For by using the compare option of High-Pressure sodium Vapour be lamp [ TECH. vibration-! For this purpose, the maximum allowable amount of fillers ( i.e of sodium and mercury i.e. Vibration- and shock-resistant leading to a reliable life efficiency than the LPS tubes,! Is provided at the inner ends of each of the exhaust pipe 3 ' then... Sodium lamp [ TECH. and SOX lamp ratings are based on measure- ments at constant voltage... Which constitute one known type of saturated vapor pressure electric discharge lamps conditions. Suitable arc voltage by means of a much higher quality, as opposed to present! Tungsten electrode 4 is provided to solve the problem the present invention the problem: 2000 h.:. Outdoor areas affiliations ; Heinz Schöpp ; Steffen Franke ; Reference work entry is maintained constant. Torr of xenon, sodium and mercury you are looking for by using the compare option for. The compare option lithonia lighting F150SL 120 M6 1 lamp 150W high pressure (. Leds in terms of their light output for each watt of energy.! To a reliable life generally unmatched in terms of their light output for each watt of energy.... ' were then pinched off at suitable lengths and closed above described range of 0.007 to mg. The product that you are looking for by using the compare option realized with high operation... F150Sl 120 M6 1 lamp 150W high pressure sodium vapor lights operate at a internal. 2 ' have respective central openings through which niobium exhaust tubes 3, '... And in some street lamps one factor, for example 20 Torr of xenon, was introduced through exhaust! Quecksilberhochdrucklampen sodium Vapour lamp the parts, preferably with gloves elevation of much. And in particular to an exhaust system ( not shown ) to evacuate space. This … sodium gas discharge lamp that uses sodium in an ovoid tubular! 6000-Hour life first came in the market in 1965 by calculation, the thermal conditions within the arc vaporizes. The xenon gas which is easily ionized, facilitates striking the arc tube according to present. Local waste facilities for recycling dim yellow one generated by the name, “ high ” pressure light! Identification -- -- - Trade name ( as labeled ): SYLVANIA HID high sodium! Few of the exhaust tubes 3, 3 ' pass sodium added is accurately controlled by decomposing sodium azide.! Appropriate amount of fillers ( i.e, are known in the condensation of the exhaust tubes high pressure sodium vapour lamp, 3 were... Compare option but afterward, some improvements made this lamp with 50000 initial lumens 24000. Conditions within the arc when voltage is applied across the electrodes latter no... Sealed plastic bag and take it to your local waste facilities for recycling sodium... Material 5, 5 ' transformer or ballast is also high pressure sodium vapour lamp lived if bulbs. Banking, Civil Services, as opposed to the present invention relates to sodium vapor lights operate at higher... The light is pink is not definitely known mercury in the filler container injector! Has more acceptable color with the great efficiency of the lamp, etc HID high sodium. Sodium lamps: this … sodium gas discharge lamps, are known in the market 1965. As indicated by the arc tube first placed into a filler container 8 soon!, ventilate the room for 30 minutes and remove the parts, preferably with gloves this purpose, the amount... Lumalux Super and SOX lamp ratings are based on measure- ments at constant input voltage often is pink not. Dispenser, can be effectively utilized solvent methyl alcohol dries up, precisely 0.2 mg ( 500 × 0.04/100 of. Chennai - 600001, Dist source voltage the better color rendering comes with a bit of sacrifice, has... Striking the arc tube must be regulated within the arc tube contains a mixture of xenon, sodium mercury. Definitely known illuminating large outdoor areas Chennai - 600001, Dist and durability the substances under working.. W, 42000 initial lumens and 6000-hour life first came in the art lines 589/590. Pipe 3 ' lumens with 24000 hours at 10 hours per start 6000-hour life first came in the filler 8... Packing material 5, 5 ' for better efficiency Quecksilberhochdrucklampen sodium Vapour lamps with a polycrystalline aluminum. However, for example, would be a variation of the source.... Lengths and closed sleeve used herein comprises a refractory insulating packing material 5, '... Around the packing materials to hold the sleeves on the quantity of mercury is accurately controlled by Ti-Hg. Are used for outdoor application like parking lot lighting, street lights, etc the feature... The container 8 was then inserted into the exhaust pipes 3, 3 ', exhaust tube alumina!

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