High Performance Lightbars With Regulation Compliant Leds

By Author: Sunil Punjabi
Total Articles: 2554
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High performance lightbars offer some excellent benefits but none as important as the reliability of the LEDs. Light emitting diodes have become the preferred option for several reasons. LEDs used by top manufacturers are compliant to different kinds of regulations. For example, there are LEDs which are RoHs compliant and meet the California Title 13 requirements as well. Reliable LEDs are quite important for emergency lighting. Firstly, LEDs usually don’t die abruptly unlike a lot of other contemporary alternatives. Most LEDs are rated for 100,000 hours of operational life which is quite impressive and proves the cost effectiveness of LEDs. LEDs with a long operational life are good for emergency lights because they consume far less energy without really compromising on the luminosity.

LEDs used for lightbars can be in white as well as in a variety of other safety colours like blue, red, amber and green. Not only can you use coloured LEDs, you could also go for coloured lenses and filters which gives plenty of options. Coloured filters, especially with optic spreading capabilities can give you the option ...
... of using white LEDs as it is or in different colours. There are light bars with dual coloured panels that offer the benefit of additional attention grabbing ability when flash patterns are operated. Coloured LED panels are also useful for traffic advisors where gigantic red, amber or green arrows to the right or left can be used to redirect traffic and clear out jams.

Lightbars apart from the usefulness and reliability of LEDs also make use of a good design for maximum efficiency. For example, wide angle UV resistant domes or lenses are used for enhancing the quality of the beam as well as to provide encapsulation. It is important to protect the LEDs from corrosion, vibration and moisture to enhance the longevity. The domes are particularly useful if an array of smaller LEDs is stacked together. The Fresnel domes and lenses collect the unidirectional beams and focus them depending upon the requirements. Beam temperature, range and angle can all be controlled with the use of modern technology. Light house optics make the most of the LED light by sending it far as well as wide.

Apart from LED modules with 5mm LEDS, lightbars also have LED strobes, programmable takedowns, flashing alley lights and sometimes gyratory beacons. The biggest benefit offered by light bars is their resilience which can withstand bad weather, tough handling and prolonged hours of usage. In fact, they could be programmed to flash in different sequences and can be controlled with a MicroChip processor too. Energy saving features like dimmers along with special compression gaskets and encapsulated drivers make these light bars exceptionally useful and multi-functional. They could be powered by a 12V DC battery which means these lights can last for a long time without power issues. Simple modules with just 4 or 8 4-watt LEDs should be more than sufficient to provide intense bright lighting. The performance of the light bars is further uplifted through the use of flashers.

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