medium pressure uv lamp

UV Curing. Moreover, UV medium pressure lamps contain a small amount of mercury and dopants, Introduction. I hope that explains it all for you. • New high power amalgam lamps are significantly more powerful than low pressure lamps. Even though more cleaning may be required for medium and amalgam lamp-based systems, because they have a smaller number of lamps in the UV unit, these systems can cost-effectively incorporate automatic cleaning … Hence fewer lamps are required, resulting in … The discharge vessel is filled with noble gases with a low pressure in the range of several millibar. Ideal for drinking water and aquatic applications. 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. As the diagram shows, the medium-pressure UV lamp (MPL) has the highest power density of all the existing UV lamp technologies. 329 medium pressure uv lamps products are offered for sale by suppliers on Alibaba.com, of which ultraviolet lamps accounts for 1%, uv lamp accounts for 1%. to reduce the quantity of UV lamps because medium-pressure UV lamps have higher power fewer are required compared to a low-pressure UV lamp systems. You can change your preferences in the, HVAC (Heating, Ventilating, and Air Conditioning), QRC infrared emitters with nano-reflector, Newsletter on light solutions for industrial processes, Standard UV medium-pressure lamps: High radiation output in the UVC range, high disinfection effect, High performance UV medium-pressure lamps: Increased UVC output due to reduced size, high disinfection and oxidation effect, Metal halide additives can optimise the spectrums for, Very good properties at small size: compact UV systems can still be installed where throughput is high, More stability due to round seal in the base, Spectrums for photochemical applications can be optimised by the use of additional metal halides. The first light source made available with the UV-150 photochemical reactor was the medium pressure mercury lamp. UV Curing Bulbs for Printing and Labeling; Bulb Lookup Form; Jelight manufactures an extensive range of UV curing lamps as direct replacements. Two other important reasons to use medium-pressure UV lamp technology is: to reduce the footprint of the installation, as high-powered medium-pressure lamps greatly reduce the size of a UV reactor. An increase in the current supplied would cause the UV lamp to rapidly heat up thus increasing the mercury pressure to produce the typical medium pressure spectral output shown in Diagram 2. Medium Pressure Lamps and UV Curing Bulbs. Medium pressure germicidal UV lamps are shorter in length than low pressure lamps and emit a wider disinfection wavelength, 200-320nm versus the 254nm emitted by low pressure lamps. They are suitable for UV disinfection, UV oxidation, UV curing and photochemical processes. In medium-pressure mercury lamps, a plasma that emits UV light is generated by applying electrical voltage. This provides greater disinfection capacity within a single UV vessel, without the addition of numerous lamps to achieve a high level of disinfection, as required with low pressure systems. Launched in October 2015, the WF range is the next generation of medium pressure UV systems . The success of medium-pressure UV lamps is based on their exceptionally high power density. Low pressure mercury lamps (LP Hg lamp) provide highly efficient source of ultraviolet energy, particularly short wavelength UV light (254nm and 185nm). UV Lamps . This lamp is equipped with a visual lamp indication in the lamp head and can be replaced without tools. So called “Medium Pressure” (MP) lamps are evacuated to what is termed “medium” pressure and emit a broader spectrum of UV light with higher intensities between around 254 – 265nm. The UV-LED lamp in Figure 10 is an air-cooled 4W/cm²­13mm­395nm lamp. Medium pressure UV lamps are suitable for high-speed press runs, where a higher intensity of UV light is needed due to shorter exposure times. A medium pressure UV lamp system combines a compact design with a high lamp power. The ultraviolet source used in this system is a medium-pressure mercury lamp. Low pressure lamps run at lower temperatures (around 45°C ) and operate far more efficiently than their medium pressure counterparts (around 35%  output at 254nm). 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. UV Curing Applications; UV Lamp Life and Guarentees; UV Lamp Identification; Lamp Doping and Spectra; UV Lamp Tester; UV Lamp Spillage and Safety Kit; UV Electronic power supplies . 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 unit chamber is made out of glass bead-blasted 316L stainless steel and has an internal finish of Ra 0.8µm. 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. All our medium-pressure lamps are specially designed according to your needs. Drivers for Medium Pressure UV Lamps. Industrial medium pressure UV systems can output approximately 10 times more energy per lamp than low pressure UV lamps. Medium-pressure UV lamp. • Medium pressure lamps produce the greatest UV output per unit length of lamp, of the three lamp types. Various additives can be used to adjust our UV medium-pressure lamps to your individual requirements. This is relatively comparable to low and medium pressure applications. Now although this seems to be heavily one sided in Low pressure’s favour, there’s a few other things to consider. Medium pressure UV lamp’s are used in a variety of applications from curing (UVA) to microbial disinfection (UVC). These lamps are powerful sources of 200-400 nm ultraviolet radiation. Likewise, you wouldn’t carry an air conditioning unit around with you if out shopping (or wherever else you might use a handheld fan). I would like to compare the UV dose of a UV lamp 365 nm, 6 mW/cm2 at a distance of 0.5 cm with the UV dose of a UV lamp 365 nm, 250 mW/cm2 at a distance of 19 cm. Therefore, medium pressure technology uses fewer lamps, has a smaller footprint, requires less … A wide variety of medium pressure uv lamps options are available to you, There are 20 suppliers who sells medium pressure uv lamps on Alibaba.com, mainly located in Asia. CLS-UV supply a wide range of low pressure UV … Helios can produce medium pressure UV lamps suita-ble for almost all UV systems; the following is a list of the necessary information for spare parts: The data was collected with a NobleProbe[8] and a UVA2 radiometer, modified by the manufacturer [7] to have a dynamic range of 30W/cm². In addition to standard lamps, tailor-made solutions are also manufactured for OEM customers who are looking for a reliable partner with many years of experience and professional advice. The low pressure UV lamp is only capable of producing lines at 185nm and 254 nm. In addition to high efficiency, these lamps are characterized by long-life and maintenance-free operation. You have not agreed to all cookies, which limits the use of the website and performance. It’s obvious from looking at these numbers that if a regular low pressure system is adequate to treat the supply for a block of flats or even a shopping centre, it’s unlikely that anyone would need a medium pressure system for anything other than the most massive of industrial level projects. Safety concerns regarding wastewater for reuse is driving the pursuit of alternatives to chlorine disinfection, which produces disinfection byproducts (DBPs) (Magara et al., 1996, Örmeci et al., 2005). Product Category. Unlike most other UV sources, the medium-pressure lamp (MPL) has a polychromatic spectral distribution from 190 nm up to the infrared spectrum. The medium pressure UV lamps emits a wide spectrum of ultraviolet (UV) light which not only gives very good disinfection results but is also excellent for photolysis applications like the reduction of chloramine in pool applications. UV MEDIUM PRESSURE LAMPS LEAD 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. The lamp in Figure 11 is a water-cooled 15W/cm²­44mm­395 nm lamp. uv-technik Speziallampen GmbH develops, manufactures and sells a wide range of UV medium pressure lamps up to an output of 60kW. The distribution of energy over the wavelength ranges is depicted on the left. An electrode type medium pressure lamp consists of three major components: a quartz glass sleeve; a fill material, typically argon and precisely dosed amount of liquid mercury; electrodes sealed into the end of the quartz sleeve A high voltage is applied to the lamp across the electrode terminals. 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. The medium pressure UV lamp systems come with a compact chamber design and a easy to (re)place single ended lamp. UV MEDIUM PRESSURE LAMPS LEAD DOPED. 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. *The medium pressure lamp emits its radiant energy between 250 and 350 with many energy spikes in between (most notably around 320 which is more in the UVB range) with a UVC efficiency around 7-15%. Now, our more efficient low pressure UV lamps although more efficient, run on around the same power as a regular light bulb (around 20 -100w) making their useful UVC output for a 40W lamp around 24W, a difference of 976W between the 1000W from the medium pressure lamp and this one. Able to operate with more power, this lamp type can produce high currents for a greater UV output. They consist of a sealed discharge tube made of quartz glass. The primary use is in the waste water disinfection and ship ballast water systems. 1.1 UV medium pressure lamps UV medium-pressure lamps are produced as linear lamps as standard. 552 medium pressure uv lamp products are offered for sale by suppliers on Alibaba.com, of which ultraviolet lamps accounts for 1%, uv lamp accounts for 1%. Medium pressure UV lamps have a significantly higher lamp power rating which can reach up to 20 kW per lamp. The effect this has is that although similar in size, they’re cheaper, cost less to run and are far safer to be around (Your unlikely to get burned or scalded if there is no flow through the chamber for a prolonged period). • Even though more cleaning may be required for medium and amalgam lamp based systems, due to the reduced number of Heraeus offers a variety of information on several websites. New high power amalgam lamps are significantly more powerful than low pressure lamps. Figure 2 represents this diagrammatically. 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. Medium pressure UV lamp technology– A must for Dechlorination. UV medium-pressure lamps. The metal halide UV medium pressure lead doped lamps emit UV radiation with peak emission in … Low Pressure Lamps. To be able to use our website to its full extent, please agree to all cookies. 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