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Rope light - LED strips are considered flexible and energy-saving lighting alternatives. But what criteria do I use to select an LED strip from a multitude of offers? How long does an LED strip light last? Many questions, to which we will give answers in the following article.Why are LED strip lights so popular?When LED technology became suitable for the masses and was available inexpensively everywhere, completely new and very flexible possibilities for the decoration and lighting of houses, apartments and other areas of life opened up for us consumers. Small dimensions, flexibility, enormous service life, good light output and different color rendering are still the most important positive properties of LED light strips. Of course, saving high energy costs and the lack of alternatives to LEDs also play an important role. Constant competition between manufacturers also leads to falling production costs and end consumer prices. Many of the products are operated with 12 V or 24 V and are therefore not dangerous in use.Where are LED strips used?The areas of application of the LED strips are hardly limited. Thanks to the use of high-power LEDs, you can use the products as the main light. But LED strips are also ideally suited as decorative lighting on and in cupboards, in various niches or to illuminate the work area in the kitchen. In the commercial sector, you can use it to illuminate goods and offers in shop windows and shelves. TipUnder no circumstances should LED strips be severely bent or kinked. This can break circuit paths or damage LEDs, resistors and contacts. You can achieve breathtaking lighting effects with RGB strips or color-changing strips. Typically, the color and brightness of such a band is controlled by a remote control. You can adapt the lighting to your current mood, especially in quiet places. Of course, waterproof versions are also available. You can light up gardens, facades, terraces or use them to simulate the daily routine in the aquarium. Car lovers use colored LED strips to illuminate the underbody of the car, the rims or the license plate. In architecture, planners set great accents with LED strips. Creative solutions include colored facades and window frames, indirectly illuminated walls or illuminated baseboards.In other words: due to the wide range of design options, LED strips have become indispensable and are used in the design of almost every interior.Image: EVN SB542430509902 LED stripWhat is the difference between LED strips?The offer is huge. The Internet is full of special offers, which are made in China with the cheapest components, imported in huge quantities and sold at cheap prices. We also offer hundreds of variants here in the eibabo® shop, but the majority of them are from well-known manufacturers. It is not that easy to find the right product for individual use. So what selection criteria should you consider?Does the product come from a well-known manufacturer?How long is the lifespan?What power supply is required?Do I want monochrome or colored LEDs?Which tape is best?How many LEDs should be installed per meter?Does the product have to be waterproof?What length do I need?Does the tape have to withstand special conditions such as heat or mechanical loads?and much more So pay attention to the information in the product descriptions and put the price in the background. Why? You will find out in the next section.What affects the quality of an LED strip?All tapes look more or less the same and the reason for a price difference is often not apparent even at second glance. However, what matters most to you as a consumer is its lifespan, delivering a constant level of brightness over that period, and its power consumption. The heart of an LED is its crystal. This is created as part of a complex process that requires a lot of technology, knowledge and experience. Few companies rise to the challenge of producing perfect crystals. However, these are the basis for a high-quality end product. The lifetime of such a crystal is determined by its degradation. definitionDegradation is the aging process of the crystal, which causes an LED to become progressively dimmer over its life cycle. Degradation leads to a drop in luminous flux over time. With high-quality goods, the luminous flux drops by around 2% for 10,000 hours of operation. Inferior LEDs lose up to 20% of their luminous flux in the same time. However, this development does not only depend on the crystal, but also on the design of the LED body and its connections. An LED gets very hot during operation and the better the heat is dissipated, the more sophisticated the housing and the longer the service life of the LED. The design of the contact connections is also important. In a circuit there are usually several LED chips in series plus resistors. Surely you have already seen that with poor-quality soldering of the chips, the entire serial circuit on a certain section of the LED tape fails, or individual colors stop working.Already knew?LEDs do not emit white light. White light is created from the mixture of equal parts of all spectral colors. If none of these colors dominates, the light appears white, more precisely not colored.Depending on the type of tape, the white light color is mixed from red, green and blue light. However, this mixed white looks very unnatural. So-called RGBW tapes therefore have an additional LED, which emits high-quality white light. In other words: the production of LEDs with white light is complicated. It is usually formed by passing blue light through a yellow phosphor. Depending on the phosphor, the 'white' LED lights up more yellowish or more bluish. It is therefore important before manufacturing an LED strip to select and calibrate the individual LEDs according to various criteria. This step is time-consuming and is not carried out by all manufacturers. In particular, because the manufacturers of LED strips are not necessarily the producers of the LEDs. The use of different LEDs from different batches or producers leads to an uneven light pattern of the white light. With LED strips, the uniformity of the white glow is therefore a quality feature.power adapterThe power supply should provide enough power for the LED strip. An LED light strip with a length of 5 meters and a power consumption of 20 watts per meter requires a 100 watt power supply. Please plan an additional 10% reserve.An LED emits light in a specific direction. In order to achieve uniformity here too, lenses and other optical elements are used. The higher the quality, the better the color rendering and the lower the loss of luminous flux.How do I know if an LED strip is high quality?Now you know how (at least in part) the price difference comes about. If you want to enjoy your LED strip for a long time, invest a few euros more. The difference isn't huge, but it will save you trouble and early repairs. You can use the following tests to better assess the quality of an LED strip:tip 1Check the 'white' light the tape produces. Blue, yellow or reddish deviations should not occur. Contrasting sunglasses may make it easier to spot differences.tip 2A noticeable decrease in brightness on the last LEDs of a band indicates poor quality of certain components.tip 3If it is not possible to test the LED strip before buying it, a look at the soldering points between the LEDs and the carrier material will help. All solder points should look the same. Make sure that the conductor tracks on the carrier material are as wide and thick as possible. In the case of inferior goods, conductor tracks that are too weak lead to an increased voltage drop and thus to differences in brightness.tip 4Choose products from companies with many years of experience in the field of household lighting, including LED. They value a good reputation, have long-established contacts with suppliers and are unlikely to produce inferior goods. Pay attention to the guarantee.  Catalogue content:In this eibabo® catalogue Luminaires > Light ribbon-/hose/-strip you will find items from the following product groups:Item overview:Adhesive stripsArea lightBacklightingColor changeDirect lightFairy lightsFlex boardFurniture mounted lightFurniture recessed lightGroove lightHeadlightInterior lightLight barLight ceilingLight coveLight stripLine of lightLinear systemOutdoor areaQualityflexRecessed ceiling lightRecessed ceiling spotlightRecessed directional spotlightRestaurantRope lightShadow gapSpotlightHeadlampTunableWhitefrom the following manufacturers:Manufacturer overview catalogue Rope light:ArcliteBarthelmeBrumbergEOS SaunatechnikEVNHellumHeraHoubenLEDVANCENeuhaus LeuchtenPhilips LichtRZBScharnberger+Has.Schmitz-LeuchtenSLVTehalit
Radio transmitter - Would you like to automate an existing electrical installation at low cost without having to open walls and lay many lines or cables? Do you want to retrofit or expand your smart home? Then both radio transmitters and radio receivers belong on your shopping list. Find out more here about the possibilities that radio transmitters and radio receivers offer you. Radio technology has become an integral part of our everyday life. Think of radio signals, television and mobile phones, the Internet and many other things.WLAN or Wi-Fi?WLAN is a wireless radio network limited to a local area. Wi-Fi is more of a brand name of a consortium of companies (Wi-Fi Alliance). For example, devices labeled 'Wireless Fidelity' receive WiFi.In the field of radio transmitters, there are numerous device types and standards, such as Wi-Fi, Bluetooth, NFC and cellular.What are radio transmitters?A radio transmitter is an electronic device that generates radio waves. In the field of electrical engineering, the device mainly transmits control signals, switching signals, error messages and status messages. In telecommunications, radio transmitters are used to transmit or send data using an antenna. The transmitter converts the information into a high-frequency alternating current, which is radiated from an antenna as radio waves. Already knew?The Solt transmitter of the Hungarian 'Kossuth Rádió' is the most powerful radio transmitter in Europe. The program can be received in the USA and South Asia. Depending on the type of device, the radio waves are emitted in a specific band of the electromagnetic spectrum. The division into bands serves to fulfill a wide variety of communication tasks. This includes the transmission of voice, images or very general data. The transmitter uses the current of its power source to provide alternating current according to its bandwidth in the required wavelength. This is the frequency at which the alternating current changes direction per second. The electromagnetic waves or radio waves are radiated outwards as a weak signal via a carrier medium (e.g. the air) via the antenna. A corresponding receiver reverses this process and amplifies the incoming signal in order to be able to process the actual message or data. A transmitter can be a separate device or an electronic circuit in another device.Image: Eltako FSM61-UC wireless transmitter moduleHow is a radio transmitter structured?A radio transmitter requires an energy source that supplies the device with power and the energy for transmission. An electronic oscillator creates the radio waves and a modulator inserts the actual data into the radio wave. It does this through small variations in the properties of the carrier wave. A high-frequency amplifier increases the power of the signal. This increases the range. And finally, an antenna tuner matches the impedance of the transmitter to that of the antenna. This makes the energy transfer to the antenna efficient and prevents what is known as a 'standing wave' (reflection of the energy from the antenna back to the transmitter).How important are radio transmitters in building automation or the electrical installation?You use radio transmitters when there is no power line or bus line at a certain point in your installation. There you position a radio receiver, which receives the signals from the transmitter and takes over the desired tasks. These can be switching actions and control functions or the display of information. Radio transmitters are therefore an alternative when flexible installations are desired. Radio transmitters are also suitable if you want to retrofit existing analogue installations and device controls. Radio transmitters are a simple and inexpensive solution for home automation and are used to increase living comfort.You can get a large selection of radio transmitters in the eibabo® technology storefor flush mounting (radio transmitter modules, universal transmitter)for operation (radio buttons, KNX remote controls, hand-held transmitters)for control (wireless weather stations, multiple wall switches, room temperature controllers, wireless window contacts and other sensors) from all well-known manufacturers. These include top brands such as SOMFY, Rademacher, Warema Sonnen, Eltako, Schalk, Sommer and Jung. You will also receive devices and accessories from Hager, Eberle Controls, Berner Torantriebe and EVN Lichttechnik. We also offer elegant wall transmitters that are suitable for flexible installation on wallpaper, glass, mirrors, tiles or wood. Or you can select immediately functional wireless motion detectors, wireless switches or wireless sets from our range.What is the range of radio transmitters in electrical engineering?The range of radio transmitters can vary greatly. This depends both on the radio technology used and on the environmental conditions. Ranges between 20 meters and one kilometer are usually specified. The specifications in the product information about the maximum range are usually values under optimal conditions. These exist when there is a direct line of sight between the transmitter and receiver without obstacles and the area is not affected by interference signals from the same or a neighboring frequency band. Please keep in mind that these conditions rarely apply and the range will therefore be lower in practice. TIP:When installing radio transmitters, allow for a range reserve of 25%. The reserve is not only used to compensate for a lower range due to current obstacles. If further obstacles are added later (e.g. additional walls or growing trees), the devices can still be used.What is an I/O radio module?I/O radio modules are so-called transceivers, a combination of transmitter and receiver. These therefore have signal inputs and signal outputs. This makes it possible to control or monitor systems with just one radio link. In addition to digital interfaces, some models also offer analog inputs for transmitting sensor values and limit values.What do I have to consider when buying radio transmitters?If you want to use radio transmitters, you need additional receivers that pick up the signals, process them and react accordingly. This can be, for example, switching actuators, universal displays or radio-controlled sockets. To ensure that communication between transmitter and receiver works, all components are parameterized using the standardized 'Engineering Tool Software (ETS)'. In this way, each device knows under which conditions it should send or receive commands and how it has to react to changes. The ETS software is available from www.knx.org and is a tool that you need to commission and link KNX devices. Don't worry: programming skills are not required. The ETS is also suitable for laypersons who are interested in the logic of the KNX. Please make sure that your radio transmitter can take over the transmission tasks you want and carry them out correctly. We therefore recommend that you carefully check the parameters and functions for the ETS provided by the manufacturer before purchasing.  Catalogue content:In this eibabo® catalogue Optical and acoustic signalling equipment > Radio transmitter you will find items from the following product groups:Item overview:Access controlAdjustment toolAwning radio sensorBlind controlBuilt-in transmitterButton inputCall forwardingControl unitExternal controlFour-channel hand-held transmitterInterval transmitterMicrohand transmitterRadio remote controlRadio transmitterRain sensorReed contactRemote controlSecuritySetting aidShutter buttonSingle-channel hand-held transmitterSun protectionTransceiversUniversal transmitterWind automaticWindow contactWireless technologyWireless wall buttonfrom the following manufacturers:Manufacturer overview catalogue Radio transmitter:Berner TorantriebeBusch JaegerEberleEltakoEthermaEVNGiraGlen DimplexGrotheHagerHamaJungNovarPhoenixRademacherSchabusSchalkSchneider ElectricSiemensSomfySommerWAGO
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