There are plenty of general service fluorescent tubes out there place today, as yet these folks were considered essentially the most energy efficient lighting solution available. The side effects for this for of lighting is that many tube includes a little bit of mercury vapour, a toxic rock. This will provide not just a hazard to health once the tubes are broken, but sometimes also accumulate in landfills before entering the river table or causing further pollution.
Fluorescent lamps use electricity to excite mercury vapour inside the glass tube and constantly require a ballast to control the flow of power with the lamp. A starter is incorporated in the circuit to heat the contact ends in the tube that ionizes the mercury vapour creating UV light. The interior of the tube is coated with a phosphor material that glows when subjected to the UV light manufactured by the mercury in the fluorescent tube.
Recent developments in SMD (Surface Mount Diode) LED technology have now meant that LED based fluorescent tubes are a real possibility. LEDs are a more efficient kind of lighting product consisting of small chips of conductive material that release light every time a current is applied for many years. They contain no filaments and can produce up to 25 times more light per watt than conventional lamps.
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LEDs require much less expensive energy inside their manufacture than fluorescent tubes, and only 3% in the energy they’ll consume over their life span is consumed of their manufacture, plus they are also created from non toxic materials. The tubes are made from polycarbonate, a fabric that’s better quality and sturdy than glass, so accidents will not likely require special cleanup procedures.
While LED technologies are higher priced than existing fluorescents at face value, they will last up to 10 times so long, while consuming 65% less energy. In most general purpose lighting applications they additional expense of the LED technology will over buy itself inside first 18 months.
The only real drawback is the tighter beam angle with the LEDs, even though some tubes are produced from a polycarbonate light diffusing material, others have a very narrow focus which might not ideal for replacing existing tubes. Many fluorescent fixtures were created with reflectors which help to distribute the lighting through the tubes evenly in their intended environment. This is a problem just like the thing that was faced when compact fluorescents began replacing incandescent lights, this is a problem that can soon be overcome and permit faster adoption on this emerging lighting technology.
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