Glaister ve7it, automation engineer may 2010 abstract. These lamps can be found in the lamp manufacturers literature or by contacting lamp suppliers. Spds can vary widely, even within a given lightsource technology. A metalhalide lamp is an electrical lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides compounds of metals with bromine or iodine.
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. The following product safety data sheet contains applicable safety data sheet information. For use with 150175 watt, ansi code m90 or m140 pulsestart, metal halide lamps. Ge mxr protected metal halide lamps employ e26 medium bases. Covalently bonded metal halides may be discrete molecules, such as uranium hexafluoride, or they may form polymeric structures, such as palladium chloride. The arc tubes of metal halide lamps are designed to operate at high pressures and temperatures up to 1200c.
Low pressure discharge lamps include fluorescent lamps and compact fluorescent lamps. Metal halide lamps are used in sporting stadiums and industrial applications where light quality is important. This research was performed in collaboration with the city of surrey, b. This fourth edition cancels and replaces the third edition published in 2015. Ges mxr protected lamps are designed with a narrow neck ed17 bulb that have a maximum neck diameter of 31. The ballast is composed of a boost converter power factor controller pfc working in fixed off time and an inverter composed of a full bridge that drives the lamp at low frequency square. Light emitting diode led lights are starting to be offered for sports lighting purposes. Users may wish to consider using these lamps as another option for open luminaires. An example of how a metal halide lamp works based on a doubleended lamp with a quartz arc tube. Each family of products offers a variety of open or enclosed fixture rated lamps, as defined by new ansi nomenclature for fixture ratings. Replace with approved ceramic type lamps or consult with lamp. These lamps are designed so that the outer jacket remains intact if an arc tube ruptures. Oyate provides a wide selection of fishing metal halide lamps, high pressure sodium lamps, mercury lamps, led panel lights made in china here.
Chromafit lamps provide the benefits of metal halide lighting. Ges mxr protected mh lamps are in compliance with ansi standard c78. China metal halide lamps, fishing metal halide lamps, high. This is also true of led products, so its important to keep in mind that no single spd is entirely. This data sheet covers all satco hygrade brand metal halide lamps for general lighting applications. Mxr lamps which uses a bd17 bulb that have a minimum neck diameter of 34mm 1. Check lamp type, must be the proper wattage and should be the ceramic metal halide type or an approved quartz type. O lamps classified as otype, comply with ansi standard c78. Many metal halide lamps require an enclosed metal halide luminaire designed to contain. Enclosed metal halide luminaires must comply with ul 1572. Ge constantcolor cmh features halogenlike light quality with all the energy efficiencies and long life of hid. Two metal halide lamps that have correlated color temperatures ccts of 4000 k can have very different spds, for example, as shown in figure 2. Lowwattage metal halide lighting systems lighting research. A metal halide or pulse start metal halide psmh lamp can fall or explode due to being reset beyond its rated life hours, being undercooled or over.
Osram sylvania offers a complete line of metal halide lamps in a variety of families. For indoor use, fluorescent lamps offer a good balance between cost and efficiency. We have exclusive deals on high intensity discharge lamps. With metal halide lamps, the effect is generally noticed in the startup period when the lamp ignites, starts to warm up and then extinguishes cycling. Metal halide lighting is used in a wide range of industrial and commercial applications, although it can also be found in specialty applications, such as household aquarium lighting. Full light output does not occur immediately when power is applied to any metal halide lamp. Osram sylvania currently offers ten families of metal halide lamps.
They also have clear, coated, or shatter resistant lenses. Developed in the 1960s, they are similar to mercury vapor lamps, but contain additional metal halide compounds in the quartz arc tube. Metal halide arctubes operate at high pressure and at very high temperatures and can unexpectedly rupture due to internal causes or external factors such as a ballast failure or misapplication. Ushio aqualite metal halide lamps feature the best combination of color balance, color rendering and photosynthetic light output for healthy marine aquarium. Study of rf spectrum emissions in high pressure sodium and metal halide lamps lawrence p. Product information metal halidelamps and specification guide.
With a metal halide lamp, that mix of gases will normally include mercury, xenon or argon, and. Fires like this one are often the result of nonpassive failure of a metal halide mh lamp, during which the lamp explodes and rains molten glass onto anything beneath it. The following information is provided as a service to our customers. This may be caused by improper voltagecurrent relationships delivered by ballast.
Ge lighting ge protected metal halide lamps suitable for use in open luminaires and are marked with the o luminaire code as specified. Standard metalarc lamps are an economical choice for a high efficacy, long life, white light source. This family of lamps allows for design flexibility with multiple light source solutions to choose from. If the arc tube ruptures, the debris, including halide compounds, relies on the outer glass of the bulb for containment. Sylvania metal halide lamps, with the exception of hqi lamps, are specified at rated wattage. Basic and heavy duty ballasts for low pressure sodium lamps. Compared to standard 400watt universal burn metal halide lamps, the ge xho. Ul standard for safety for high intensity discharge lighting fixtures. In a nutshell, a mh lamp works when an electrical arc goes through a gaseous mix, creating light.
These lamps come in assorted color temperatures and multiple burn positions. Probe start metal halide lamps have an additional electrode, which assists the electromagnetic ballast in starting the lamp. Potential uv light hazards from metal halide lamps. In place of the filament used with incandescent bulbs, metal halide bulbs are equipped with a sealed, quartz glass arc tube which contains gases. High power ballasts for high pressure sodium, mercury and metal halide lamps. April 2018 american national standard for electric lamps singleended metal halide lamps. Pdf dimming characteristics of metalhalide plasma lamps. Environmental factors including the lamp housing, re. An outer glass envelope or bulb surrounds the arc tube. They are specifically recommended by some national governing bodies for sport ngbs.
Luminaire requirement meaning for metal halide bulbs. Mvr100umed 100w bd17 metal halide clear medium base lamp. The power balance of ceramic metalhalide high intensity. Wattmiser multivapor offers more light 3,000 additional lumens for 10%. The typeo lamp can be easily identified by the inclusion of a shield or shroud around the arc tube as shown below. What links here related changes upload file special pages permanent link page information wikidata item cite this page. If the arc tube ruptures for any reason, the outer bulb may break and shards of extremely hot glass may be discharged into the surrounding environment, with the associated risk of property damage or personal injury. The halogens can all react with metals to form metal halides according to the following equation.
Metal halide lamps can be constructed of an outer glass bulb with an internal arctube. General purpose metal halide lamps dds distributor data. The following lamp material information sheet contains applicable material safety data sheet information. General purpose metal halide lamps product offering wattage bulb shape finish 175 ed28 clear, coated 250 ed28 clear, coated 400 ed37 clear, coated bt56 clear, coated 1500 bt56 clear hid033r 1214 applications area. Mvr175umed 175w bd17 metal halide clear medium base lamp. Din en 61167 metal halide lamps performance specification iec 61167. It is a type of highintensity discharge hid gas discharge lamp. A metal halide lamp is a type of hid highintensity discharge lamp. This is a typical operating characteristic of metal halide lamps. Pdf click on the ballast catalog number to view detailed lamp specifications click below to download the latest version of adobe acrobat. Metal halide singleended tubular 46 metal halide traditional 94 metal halide energy saving 3 metal halide shatterresistant 9 add qtys to cart sort by. Highbay lighting common replacementtypes lamps metal halide, open metal reflector 2 400w or 1 pulsestart 250w metal halide, open prismatic glass reflector 1 standard 400w t8 flourescent, pendant industrial reflector 4 8ft, 32w t8 t5 flourescent, pendant industrial reflector 2 8ft. Lamp configurations include low and high wattage types, both clear and coated. Sylvania standard metalarc lamps are offered in a range of wattages from 175 to 1500 watts.
Safety data sheet metal halide lamps osram sylvania. Similar to highpressure mercury lamps or highpressure sodium lamps, metal halide lamps also belong to the group of discharge lamps. Metal halide lamps are available in several different base types, with medium e26 or mogul e39 bases being the most common. Troubleshooting for metal halide ballasts hatch lighting. Replace with approved ceramic type lamps or consult with lamp manufacturer or hatch to see if lamp is compatible quartz type. All metal halide lamps produce light from an electrical discharge contained in an arc tube. Metalarc protech lamps less than 150 watts and powerball ceramic.
All metal halide lamps degrade in light output and may shift in color over. The lamp uses mercury vapor to create the powerful light like the high pressure mercury vapor but includes other metals halide salts to improve the color a halide is a chemical compound of a halogen combined with an electropositive element, or in the case of lamps. The median life of metal halide lamps is statistically determined under controlled conditions on a 11 hours on, 1 hour off, cycle. Were one of the leading china metal halide lamps manufacturers and suppliers. A practising engineers manual on energy efficient lighting. A halogen is a monovalent element which readily forms negative ions. Street lighting and blue light frequently asked questions. A metalhalide lamp is an electrical lamp that produces light by an electric arc through a. The mean service life stated in the documents b50 value is the burning. Study of rf spectrum emissions in high pressure sodium and. Metal halide bulbs sometimes also turn up in specialty applications, such as aquarium lighting.
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