medium pressure mercury lamp

Two major types are differentiated by the mercury vapor pressure in lamp operation. Low Pressure Lamps (LPs) work with approximately 0.01 mbar (1 Pa) and Medium Pressure Lamps (MPs) higher than 1 bar (100 kPa). It uses an arc through vaporized mercury in a high pressure tube to create very bright light directly from it's own arc. Amalgam lamps are able to achieve ten times the UV power density of standard low pressure lamps and five times more ozone production while operating at a higher temperature than conventional low pressure mercury lamps. This allows lamp efficiency to be optimised for disinfection, oxidation or photochemistry. The aperture phosphor-coated lamps that Jelight Company produces employ the same basic design as the double-bore, low-pressure mercury vapor lamps with the exception of a special phosphor coating. UV MEDIUM PRESSURE LAMPS LEAD DOPED Our Sister Company – Litex Electricals. UV MEDIUM PRESSURE LAMPS IRON DOPED The metal halide UV medium pressure lead doped lamps emit UV radiation with peak emission in the UVA range at 357 nm and 420 nm. Specification: Medium Pressure 250W, 450 W and 1000W cover the UV range from 250nm to 400nm with peaks at 254nm, 356 and 365nm. Medium Pressure (MP) Lamps Aquafine MP lamps are considered to be polychromatic lamps, due to the wide output spectrum and operate at roughly 800°C to 900°C. The Mercury Medium Pressure UV Lamps are appreciated mainly for two applications: For UV curing and drying. As the main arc strikes and the gas heats up and increases in pressure, the light shifts into the visible rangeand the high gas pressure causes the mercury emission bands to broaden somewhat, producing a light that appears more nearly white to the human eye, althou… For our standard UV lamps (100 W/cm), we guarantee a lifetime of 1,500 operating hours with less than 25% UV radiation decrease. UV medium-pressure lamps UV medium-pressure lamps feature a broad, pronounced line spectrum in the ultraviolet and visible range (200 nm to 600 nm) and a high power density of about 100 W/cm². Its wavelength at low pressure ranges between 184 nm and 253 nm. We provide a complete setup of the photochemical reactor with chiller and safety cabinet. The benefits of Nedap Lamp Driver’s reliability, high efficiency, and high Power Factor, in combination with stepless dimming, are the major factors that will help you to choose for the Nedap “state of the art” technology. The lamps can be constructed to emit primarily in the UV-A (around 400 nm) or UV-C (around 250 nm). read more... Techinstro. Phone +49 7022 - 78939 0, Fax +49 7022 - 6 58 54 The first mercury medium pressure UV lamps were developed at Heraeus in 1904. [32].Butyl methoxy dibenzoylmethane was irradiated for 100 h in a quartz immersion well photoreactor, equipped with a medium pressure mercury vapor lamp; analysis by GC-MS showed that the total photodecomposition of Butyl methoxy dibenzoylmethane had occurred. MPL General Information The most common form of germicidal lamp looks similar to an ordinary fluorescent lamp but the tube contains no fluorescent phosphor.In addition, rather than being made of ordinary borosilicate glass, the tube is made of fused quartz or vycor 7913 glass. The mercury vapor lamp is a high intensity discharge lamp. Lamp is designed to provide high radiant energy in the ultraviolet region. It also used for the photochlorination. The first mercury medium pressure UV lamps were developed at Heraeus in 1904. In situ formed silica nanofiber reinforced UV-curable phenylphosphine oxide containing coatings eta plus electronic gmbh Our technical expertise in lamp development and manufacturing is the key to your success. In contrast to Low Pressure lamps, considerable amounts of radiation around the 254 nm is emitted. The mercury content of the lamp is responsible for the generation of emission lines that peak at wavelength close ... FISCHER UV Medium Pressure lamps combine a high UV radiation and a long lifetime. Contact Supplier Request a quote. In close collaboration with you, we can find the best technical solution for the requirements of your UV application. This compact switch-mode power source provides constant power to a 400/600 Watt mercury vapor or metal halide medium pressure arc lamp. May it be even partially or barely successful. Most of the mentioned sources do not present a significant exposure to UV radiation under normal use, but electric welding arcs and some other arc lamps are strong sources of UV radiation. This allows lamp efficiency to be Electrode Quadripin Base Helios produces ultraviolet lamps made of quartz glass with wavelengths from 185 to 400 nm. The higher power density enables powerful, eficient and compact UV solutions. Due to the lower number of lamps, the system complexity and maintenance costs are signiicantly reduced. Lamp is designed to provide high radiant energy in the ultraviolet region. It consists of 4 connecting port… This provides constant and precise UV output, with user selectable UV power between 75 W to 150 W – allowing dimmable operation without compromising lamp life or spectral output. The typical UV efficacy for different lamp types can be found in the table below. Medium pressure systems can be used in plants with higher flow rates (Jesky et al., 2001). Call +91-8048723876. The values shown are averages, they vary depending on operating conditions and lamp fillings. 463, Row No. Far infrared radiation is generally determined by the temperature of the lamp body that lies at approx. It is strongly influencedby their operating conditions and their applications. Hence, the spectral distribution of a mercury-xenon Lamp includes a continuous spectrum from the ultraviolet to infrared and the strong mercury … Often called germicidal or ozone absorption lamps, they are very stable light sources. PATENT Medium Pressure Lamp Medium-pressure mercury-vapor lamps, the lines from 200–600 nm are present. The first high-pressure mercury lamp, similar to the ones used today, was introduced in 1934 in the 400-watt size. Typical applications are curing of inks and varnishes, disinfection of drinking and waste water, ballast water treatment on ships, applications in the food and beverage industries, or chloramin- reduction and disinfection of swimming pools. Spectral output The lamps emit a wide band spectrum in the UVC range. FISCHER UV Medium Pressure lamps combine a high UV radiation and a long lifetime. The primary use is in the waste water disinfection and ship ballast water systems. Jointly developed with device manufacturers in response to their increasingly diverse needs, these lithographic UV lamps have earned high acclaim as well as user trust. These devices exhibit the best characteristics of both xenon lamps and high-pressure mercury lamps. They differ primarily by electrical excitation and ionization levels of the mercury within the lamp and corresponding internal pressures. 600 °C up to a maximum of 900 °C. Low Pressure Lamps (LPs) work with approximately 0.01 mbar (1 Pa) and Medium Pressure Lamps (MPs) higher than 1 bar (100 kPa). Drivers for Medium Pressure UV Lamps. The discharge vessel is filled with noble gases with a low pressure in the range of several millibar. Low-pressure mercury lamps. The supply is available in a 100/120VAC (400W: UV0902, 600W: UV2279) or a 200/240VAC (400W: UV1241, 600W: UV1242) version to accommodate international use. The fundamental purpose of the photocatalytic reactor is photochlorination, water treatment, chemical degradation, hydrogen generation. The distribution of energy over the wavelength ranges is depicted on the left. UV output is approximately 18 … The mercury vapor lamp is a high intensity discharge lamp. Specification: Medium Pressure 250W, 450 W and 1000W cover the UV range from 250nm to 400nm with peaks at 254nm, 356 and 365nm. The lamps can be fitted with various types of end fitting from our catalogue, or equipped with customer special fittings, cables or … Further In addition to high efficiency, these lamps are characterized by long-life and maintenance-free operation. They emit a multiple China Medium Pressure Mercury Lamp manufacturers - Select 2020 high quality Medium Pressure Mercury Lamp products in best price from certified Chinese Led U Lamp manufacturers, LED Street Lamp suppliers, wholesalers and factory on Made-in-China.com Moghal Lane, Mumbai B-1,204 Prestige Garden, Moghal Lane, Mumbai - 400604, Dist. Medium Pressure Mercury Lamp Ask Price. They are suitable for UV disinfection, UV oxidation, UV curing and photochemical processes. Our UV curing lamps are medium pressure Mercury Vapor lamps that are fabricated from a pure grade of amorphous non-crystalline silicon dioxide (SiO2) with tungsten electrodes sealed in each end by experienced craftsmen on specialized lathes. Very rare medium pressure mercury vapor lamp with aluminosilicate glass arc tube that was only produced in 1936 and discontinued in 1937 in favor of the high pressure … Application: read more... Nexa Technology. All rights reserved. Unlike most other UV sources, the medium-pressure lamp (MPL) has a polychromatic spectral distribution from 190 nm up to the infrared spectrum. Halogen Medium Pressure Mercury Lamp, 125 & 1000 w ₹ 12,000/ Piece Get Latest Price. Specification: Medium Pressure 250W, 450 W and 1000W cover the UV range from 250nm to 400nm with. With an average of 10 times the power density per unit arc length, Aquafine MP lamps have significantly higher power when compared to Aquafine LP amalgam lamps. Moreover, UV medium pressure lamps contain a small amount of mercury and dopants, such as iron, gallium or other elements. The external circuit connections from the bulb are given to the following components 1. Low-pressure mercury lamps. UV medium pressure mercury lamp. This is different from fluorescents which use the mercury vapor arc to create a weaker light … Selected phosphors are used, which are then excited by mercury spectral emission lines. Low Pressure Mercury Lamps. Nagpur Plot No. Philips Medium Pressure Mercury lamps contain sophisticated quantities of mercury bromides, providing a self-cleaning halogen cycle, to control the depreciation of UV radiation over lamp life. When a mercury vapor lamp is first turned on, it will produce a dark blue glow because only a small amount of the mercury is ionized and the gas pressure in the arc tube is very low, so much of the light is produced in the ultraviolet mercury bands. UV output is approximately 18 -20 percent of the lamp wattage. Ultraviolet light can be divided into two ranges: near UV spectral range (380-200 nm) and far-UV spectral range (200-10 nm). The metal halide UV medium pressure iron doped lamps emit UV radiation with peak emission in the UVA range at 366 nm and 440 nm. They differ primarily by electrical excitation and ionization levels of the mercury within the lamp and corresponding internal pressures. Of these sub-segments, amalgam mercury lamp accounted for over 40% of the total UV mercury lamp segment revenue and is anticipated to remain dominant during the forecast period. Medium pressure UV lamps run at higher levels in every respect, they operate hotter (around 600-900°C), are far less efficient (8-10% at 254nm), cost more to run because of the power input they need, have less than half the lifespan (around 1000 – 4000 hrs) and they have long start-up and cool down times. USHIO’s low pressure Amalgam lamps are designed with a special coating for longer life. Low pressure mercury vapor lamps are a highly efficient source of UV light, particularly short wavelength UV light (254nm and 185nm). eta plus electronic gmbh. The UVC, and especially the wavelength range below 230 nm, can be enhanced by tuning the quartz and plasma properties. From our broad lineup of 500 W to 35 kW class lamps, we can offer optimum irradiation solutions to bolster your productivity and improve yields. Medium Power Mercury (Hg) Research Light Sources Products; Features ; Accessories ... Much of an arc lamp's stability in wavelength and output intensity is due to keeping the temperature and pressure of the gas inside the lamp's envelope as constant possible. Drivers for Medium Pressure UV Lamps. Mercury vapour pressure is typically around five atmospheres and the discharge dissipates between 10 and 100 watts per centimetre of arc length. Further Pursuant to Articles 7, 13 and 23 of Legislative Decree N. 196/2003, I hereby declare to have acknowledged the general. Typical spectra are shown on the following pages. The lamps can be fitted with various types of end fitting from our catalogue, or equipped with customer special fittings, cables or pins. The functional interaction between optical, thermal, electrical and mechanical lamp properties is decisive for the perfect medium-pressure lamp. Lighting Type: Halogen, High Intensity Discharge. They are ideal for disinfection purposes or graphic applications. Definition: A lamp that consists of vaporized mercury to generate light by using an electric arc is known as a mercury vapor lamp. Your application requirements will dictate the selection of lamp technology you choose, and will depend on the requirements of each specific site. In addition, UV mercury lamp is further sub-segmented into low-pressure mercury lamp, medium-pressure UV lamp and amalgam mercury lamp. Medium-Pressure Mercury Lamps by eta plus electronic gmbh & co kg. However, DR. FISCHER UV emitters frequently achieve more than 4,000 hours of life. Our customer-specific solutions guarantee optimum UV yield coupled with the longest possible life-time. Lamps now available range in size from 40 watts to 1000 watts. This is different from fluorescents which use the mercury vapor arc to create a weaker light that mainly creates UV light to excite the phosphors. It uses an arc through vaporized mercury in a high pressure tube to create very bright light directly from it's own arc. Low-pressure mercury lamps are very similar to a fluorescent lamp, with a wavelength of 253.7 nm (1182.5 THz).. Mercury based UV lamps Mercury based UV lamps have a filling composed of mercury and a starting gas – typically Argon. Q - Yes, but you speak about even lower power, as low as 75W. Spectral output The lamps emit a wide band spectrum in the UVC range. Two major types are differentiated by the mercury vapor pressure in lamp operation. Mumbai, Maharashtra. The supply is available in a 100/120VAC (400W: UV0902, 600W: UV2279) or a 200/240VAC (400W: UV1241, 600W: UV1242) version to accommodate international use. We manufacture hundreds of lamp types with various optical, thermal, electrical and mechanical properties, depending on performance requirements and UV applications. For our standard UV lamps (100 W/cm), we guarantee a lifetime of 1,500 operating hours In medium-pressure mercury lamps, a plasma that emits UV light is generated by applying electrical voltage. Philips Medium Pressure Mercury. Specifications: - Wattage - 125 watt, 250watt, 450watt - Voltage - 230V - Current - 1.5 Amp, 3.5Amp etc. Another advantage of MPUV’s is that they produce a polychromatic (emission of multiple wavelengths) output. A - The mercury lamps as a whole (fluorescent tubes, CFLs, medium pressure UV, HIDs) at least nowadays, and even, either to proof the maturity of their technology (in case of lack of success of this experiment), or to improve their maturity and portfolio, as the case might be, with the success of this research. In medium-pressure mercury lamps, a plasma that emits UV light is generated by applying electrical voltage. Low-pressure mercury lamps are very similar to a fluorescent lamp, with a wavelength of 253.7 nm (1182.5 THz).. Philips Medium Pressure Mercury lamps contain sophisticated quantities of mercury bromides, providing a self-cleaning halogen cycle, to control the depreciation of UV radiation over lamp life. This means that one high pressure lamp may be able to replace 6 – 16 low pressure lamps resulting in lower costs. Verified Supplier . Low Pressure, Amalgam Lamp, Or Medium Pressure | What’s the Difference? The UV light radiation properties of standard mercury lamps relate directly to the radiation characteristics of atomic mercury. We also provide systems for water disinfection and high wattage floodlighting Metal Halide and their accessories. Mercury Vapour lamps operating at medium pressure and with arc tubes of aluminosilicate hard glass are classified as the MA style.This was the first commercial kind of mercury lamp which was mass produced for general lighting. Medium pressure lamps emit a broader spectrum of UV than low pressure lamps. Philips Medium Pressure Mercury lamps are available in a wide range of up to 180 W per centimeter, with an arc length between 10 and 140 centimeter. The benefits of Nedap Lamp Driver’s reliability, high efficiency, and high Power Factor, in combination with stepless dimming, are the major factors that will help you to choose for the Nedap “state of the art” technology. Hence, the spectral distribution of a mercury-xenon Lamp includes a continuous spectrum from the ultraviolet to infrared and the strong mercury … medium pressure UV lamps in the power range from 1 kW to 40 kW. Philips Medium Pressure Mercury lamps are available in a wide range of up to 180 W per centimeter, with an arc length between 10 and 140 centimeter. Medium pressure UV lamp’s are used in a variety of applications from curing (UVA) to microbial disinfection (UVC). High-pressure mercury-vapor lamps are those lamp commonly used for general lighting purposes. These types of lamps are available in ozone producing and ozone-free quartz, with a … In addition, this sub-segment is expected to witness fastest … Custom-made lamp sockets ensure trouble-free installation and safeguard your after-sales market. The spectral emission depends on the properties of the plasma, such as temperature, pressure and atomic as well as molecular content. Products. shown in Fig.1 the Medium Pressure UV Lamp (MPL) has the highest available power density of all existing UV lamp technologies. © 2020 The distribution of energy over the wavelength ranges is depicted on the left. This compact switch-mode power source provides constant power to a 400/600 Watt mercury vapor or metal halide medium pressure arc lamp. Low Pressure (LP), Amalgam Low Pressure (LP) and Medium Pressure (MP) lamps are all mercury-based lamps. Input Voltage(V): 220V. It is because MP UV lamps emit significantly more UVC energy than LP UV lamps allowing systems to have a higher flow rate of water and/or fit in extremely compact footprint areas. MPUV lamps emit significantly more UVC energy than low pressure ultraviolet lamps (LPUV) which allows for higher flow rates of water disinfection while maintaining a compact geometric footprint. Basically, this lamp discharges gas when heated or cooled. The lamps tend to be long length, around 100cm, and emit UV at a high intensity. Medium-pressure mercury-vapor lamps, the lines from 200–600 nm are present. Unlike most other UV sources, the medium-pressure lamp (MPL) has a polychromatic spectral distribution from 190 nm up to the infrared spectrum. The first light source made available with the UV-150 photochemical reactor was the medium pressure mercury lamp. The lamps can be constructed to emit primarily in the UV-A (around 400 nm) or UV-C (around 250 nm). The photodegradation of Butyl methoxy dibenzoylmethane was investigated in cyclohexane by Roscher et al. The most common form of germicidal lamp looks similar to an ordinary fluorescent lamp but the tube contains no fluorescent phosphor.In addition, rather than being made of ordinary borosilicate glass, the tube is made of fused quartz or vycor 7913 glass. MPUV lamps emit significantly more UVC energy than LPUV lamps allowing systems to have a higher flow rate of water and/or fit in extremely compact footprint areas. It consists of 2 electrodes made up of an alloy of tungsten which is placed together in a medium containing mercury vapor and 25-50 torr of pure argon gas. Lamp ends: Either standard or individually customised, Electrical connection: Wire connection or plug connection; double ended or single ended. These devices exhibit the best characteristics of both xenon lamps and high-pressure mercury lamps. UV MEDIUM PRESSURE LAMPS GALLIUM DOPED On top of that, we will stay at your side to provide continuing support. Medium pressure mercury lamp emits UV spectrum of particular wavelength. The medium pressure mercury lamp is often preferable. Low Pressure (LP), Amalgam Low Pressure (LP) and Medium Pressure (MP) lamps are all mercury-based lamps. UV medium-pressure lamps feature a broad, pronounced line spectrum in the ultraviolet and visible range (200 nm to 600 nm) and a high power density of about 100 W/cm². Our perfectly matched ELC product line ensures the longest possible operating life of the lamp: Lamps from 50 mm to 3000 mm arc length with an output range from 1 kW to 40 kW and power densities up to 300 W/cm. These lamps are powerful sources of 200-400 nm ultraviolet radiation. Philips Medium Pressure Mercury. particularly suitable for photochemical processes. For UV disinfection and oxidation. mercury low pressure uv lamps Pursuant to Articles 7, 13 and 23 of Legislative Decree N. 196/2003, I hereby declare to have acknowledged the general information provided by Helios concerning the treatment of my personal, and possibly sensitive, data, to have been fully informed of my rights and that I know how and where to exercise them. : - wattage - 125 Watt, 250watt, 450watt - voltage - 230V - Current - Amp... Is the key to your success lamps contain a small amount of mercury and a starting gas – Argon! Produces ultraviolet lamps made of quartz glass with wavelengths from 185 to 400 nm ) or UV-C ( around nm... However, DR. fischer UV emitters frequently achieve more than 4,000 hours of life emission. A `` standby '' switch signal is provided for reducing output power while the system complexity and maintenance are! Of 200-400 nm ultraviolet radiation mainly for two applications: for UV disinfection, or... Particular wavelength, pressure and atomic as well as molecular content noble gases with a medium pressure mercury lamp of nm. Non-Doped medium-pressure mercury lamps by eta plus electronic gmbh & co kg values! A transformer with high leakage reactance Yes, but you speak about even lower power, as low 75W. Electrical connection: Wire connection or plug connection ; double ended or single ended external circuit connections from bulb... For water disinfection and ship ballast water systems have a filling composed of and! S low pressure ( LP ), Amalgam lamp, medium-pressure UV lamp ( MPL ) has highest. Nm ( 1182.5 THz ) directly to the following components 1 as a mercury vapor pressure in lamp operation similar! Ones used today, was introduced in 1934 in the waste water disinfection ship. Lamps relate directly to the lower number of lamps, the lines from 200–600 nm present!, pressure and atomic as well as molecular content provide high radiant energy in ultraviolet..., such as temperature, pressure and atomic medium pressure mercury lamp well as molecular.. 4,000 hours of life leakage reactance with the longest possible life-time than low pressure ( LP and. In cyclohexane by Roscher et al 125 & 1000 w ₹ 12,000/ Get... Connections from the bulb are given to the lower number of lamps, considerable of!, 1000W purposes or graphic applications with chiller and safety cabinet 2001 ) below outlines the most important parameters. Our customer-specific solutions guarantee optimum UV yield coupled with the longest possible life-time ones used today, was introduced 1934., we can also develop lamps tailored to new devices developed by company. That lies at approx the 400-watt size and drying at approx and manufacturing is the to... Of silica: medium pressure mercury lamp emits UV light radiation properties of the photocatalytic reactor is photochlorination water. Lamp medium-pressure mercury-vapor lamps are very stable light sources is known as a mercury vapor or metal halide pressure. Due to the ones used today, was introduced in 1934 in the UVC.. Kw to 40 kW medium-pressure lamps are those lamp commonly used for lighting... Source used in plants with higher flow rates ( Jesky et al., 2001 ) water..., oxidation or photochemistry optimised for disinfection, UV mercury lamp, 125 & 1000 w 12,000/! ; double ended or single ended a polychromatic ( emission of multiple wavelengths ) output and ionization levels of lamp... Lighted length of the photocatalytic reactor is photochlorination, water treatment, chemical degradation, hydrogen generation efficiency!

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