Advantages and Disadvantages of Led Light Bars
The focus of this article is to look at the led light bar, and its advantages and disadvantages. This article will help understand why led bars are so popular as well as discover the draw back of a led light bar. This understanding will help one to choose for themselves if they would like to use the led light bar or continue using the more traditional light bars such as strobe and halogen.
The led light bar has caused a stir particularly in the world of emergency lighting. It has been hailed as a brilliant alternative to strobe light bars. A led light bar is an efficient source of power, and produces more light per watt than most lights. The intensity of light and the efficiency of the light bar itself are not affected by shape or size of the light bar unlike fluorescent light bars or tubes. The effectiveness of the light can also be seen in the on/off time of the light bars. The led light bar takes under a microsecond to attain full brightness. Led lights can also emit the intended color light without the use of colored domes, color filters or other traditional methods for changing light color. This means that the cost of production goes down, as well as with less components, there is less that can go wrong with the light bar.
A led light bar can also be very easily dimmed unlike other previous light bars. Dimming simply requires one to lower the forward current or dim through pulse- width modulation. In this light bar, wasted energy is dispersed as heat through its base. This means that sensitive material or flammable ones are not affected by heat radiated by the light bar, as is the case with older ones. Another advantage associated with a led light bar is that failure occurs through dimming of the light bar over time rather than a sudden or abrupt failure. The dimming light can be observed and used as a tell sign of when the light bar needs to be replaced. This also means that the light bar is constantly working. They also last long and are estimated to give about 35,000 to 50, 000 hours of useful light. It may take even longer until complete failure of the led light bar. Fluorescent light on the other hand gives about 10, 000 to 15, 000 hours of useful light.
There are however disadvantages associated with the use of a led light bar. There is a very high initial cost for installing a led light bar, and this may deter someone on a low budget from making use of this technology. There are other light bars that may work almost as well and cost less than half the price of the led light bar. The life of this light bar is also dependant on the temperature of the operating area. If it is constantly used in places with high temperatures, this will reduce its working life as well as make it susceptible to breaking down.
This is not good especially for emergency vehicles that are required to work in places with different temperatures.led light bars have also raised concern that their constant use might exceed what eye specialists call blue-light hazard. This is specifically a concern with led lights that are blue or cool white. These may damage the eyesight of the individual using a led light bar as well as those around.
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