Emergency Lightbars - Blend Of Versatility And Durability

By Author: Sunil Punjabi
Total Articles: 2565
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Emergency lightbars can often have up to 16 powerful flashing strobe lights, 6 - 8 high intensity marker lights, corner LED modules and even a couple of alley lights. A lot has changed in a very short span of time, when it comes to the construction of light bars which use LEDs. One can expect a long lifespan from LEDs, with 20000 – 50,000 hours being the average, although some LEDs can last for up to 100,000 hours. This has greatly increased their cost effectiveness. Their energy savings are impressive too, and high luminosity can be expected even from LED lights with power wattage of 4 – 6 W. The power supply of 12 – 24V DC is simple as well. All these features have made LED light bars truly critical when it comes to emergency operations.

Emergency lightbars are commendable for their versatility and their durability. The versatility of the light bars stems from the fact that LEDs can be easily controlled whether individually or when they are part of an assembly or module. For example, light bars measuring 72 inches in length can be made of 3 different segments, each of a different color, thanks ...
... to multicolored LEDs. It is now possible to independently control the flashing of LEDs in each segment. Moreover, it is possible to individually replace the segments, which might be required if one of the segments stops functioning normally. The light bars are reliable because they don’t go down completely at any point of time.

Control panels or switch boxes are used to easily turn on or turn off the flash patterns. ScanLock pattern control mechanisms are advanced enough to allow users to easily scan and then lock the flash pattern of choice. Modern Emergency lightbars come with as many as 24 – 30 built in flash patterns. Sometimes, a combination of flash patterns and light heads gives more flash sequences. The versatility of these light bars is also due to the fact that they can be used for intense, highly focused beams during rescue operations or for wide angle light in dark areas. This is thanks to the easy beam control which is possible through lenses used to cover arrays of LEDs. The beam angle and temperature are both easily controllable in LEDs.

The durability of Emergency lightbars is because of their low profile, rugged design and attention to detail given by many manufacturers. For example, the LED lights have polycarbonate or extruded aluminum alloy bases to make them moisture resistant. Glass filed nylon bases are also used in some cases. Rubber grommets are used to keep the moisture out as well. They are also vibration resistant which makes them useful for emergency vehicle lighting. The bright output from these light bars along with the wide sweep and long distance visibility makes them ideal for emergencies. The light bars used by emergency vehicles, whether it is trucks or police vans, can be mounted in varying angles over the roof, in the front or in the rear end for greater flexibility.

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