If the choice of lighting devices operating on halogen, fluorescent or incandescent lamps has already become a common thing, then the selection of LED lamps still raises a lot of questions from ordinary buyers. Why are LEDs so expensive? Are they really the best? And how strong is their luminous flux? A model with which color rendering index is it better to buy for a living room? And in the nursery? We will answer these and many other questions in this article.
Today we can safely say: LED lamps will continue to conquer the lighting market, confidently advancing on the positions of halogen, fluorescent models and, of course, incandescent lamps. This conclusion is based on the following points:
- LED lamps are the most economical in terms of energy consumption, and therefore also in terms of costs during operation;
- Give the buyer the opportunity to choose a light bulb with any color rendering index, which is optimal for premises for various purposes (office, bedroom, nursery, dining room);
- Their cost is constantly decreasing, due to which, the savings in purchasing LED lamps are becoming more and more obvious.
Of course, the factors listed above are far from the only ones, but we will talk in more detail about the advantages of LED lighting below. Now let us emphasize once again: neither in terms of the quality of lighting, nor in terms of efficiency, nor in terms of service life, LED lamps have no competitors on the market.
And in order to make the choice of an LED light bulb truly balanced and successful, we recommend that you pay attention to:
- Data on its luminous flux;
- Light output level;
- The power consumption of electricity from the light bulb or the lamp itself;
- The color temperature or hue that the light of a particular light bulb has;
- Color rendering index;
- The number and size of LEDs inside the luminaire;
- The directional pattern of the luminaire or the luminous intensity curve, the diffuser of the led luminaire.
These are the main points to consider when selecting LED lamps. In addition to them, important purchase factors include:
- The trade mark under which a particular lamp or lamp is produced;
- Indicator of the efficiency of the light bulb driver.
You also always need to know the purpose of the room for which you are looking for LED lighting. Like for big shops, owners prefer 4 ft. led hanging shop light as it is a go to light for shops these days. Now let’s take a closer look at each individual factor.
In scientific terms, the luminous flux is called a physical quantity that determines the amount of light energy passing in the radiation flux through a certain area per unit of time. In colloquial language, the luminous flux is called ordinary brightness.
Luminous efficiency, or simply luminous efficiency, is usually called the ratio of the power consumption to the outgoing luminous flux. To find out the level of light output of a light bulb or chandelier, you need to divide the number of emitted lumens by the watts consumed.
Power Consumption Of Electricity
This is another economic benefit factor. Indeed, “LEDs” need very little electricity for a normal glow. For example, instead of the usual 100-watt incandescent lamp, you can use an ICE lamp with a power of only 14 watts! And the 150-watt sample is replaced by a 22-watt LED.
Then everything is simple: less consumption at the same luminosity – fewer lighting costs and more benefits.
Color temperature refers to the hue that pure white light has. It depends on the wavelength of the light emanating from the source.
The color temperature is measured in Kelvin (less often – in Mired). The quality of lighting depends on it, as well as the feeling of comfort being in any room.
Number & Size Of LEDs
When choosing an LED luminaire, individual buyers tend to find the model with the largest number of LEDs. They mistakenly believe that the size of the ICEs also matters. In fact, no. Neither the size nor the number of LEDs are considered indicators that “ironically” indicate the quality, energy efficiency or brightness of lighting. The main indicator here will be the ratio of LM/W (lumens to watts). That is, everything is simple: the more lumens the lamp “produces” at the same power as others, the better.
We hope we were able to convey to you the advantages of LED lamps and prove that their purchase today is the most profitable from a practical, economic point of view, as well as from calculations of safety and lighting comfort.
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