Electric lamps have long “settled” in our homes and made our life easier, more convenient, and the day is longer. We meet artificial lighting everywhere – on the street, in various institutions, stores, etc. D. It is already difficult to imagine your life without it. Not so long ago, we all searched in the stores cheap and such familiar ordinary bulbs. Now, more and more people prefer energy -saving lamps, although they are more expensive. Let’s find out what kind of lamps these are, and what is their advantage.
Incandescent lamps that are still used, but are already losing their popularity, usually have a power of 40 to 100 watts, although there are other options. The efficiency of such a bulb is very low, about 50%, which means that the lamp pays for itself only half. The rest of the energy is spent on heating the glass and other elements. The energy -saving lamp is more convenient than the incandescent lamp in that it does not have a thread thread, which gives light.
The energy -saving lamp is a strong flask, inside of which there are mercury vapors and argon. Luminofor is located on the surface – a substance that begins to glow brightly under the influence of ultraviolet radiation. When you turn on gaseous substances in the flask, ultraviolet radiation is produced, the phosphor begins to glow, as a result, the lamp gives light a very reminiscent of the daytime. A luminous substance can be both white or another color, so energy -saving lamps can be multi -colored or have a light shade. They usually have a specific shape, but their base is standard, which approaches all the plafones and chandeliers.
If you decide to purchase an energy -saving lamp, pay attention to some nuances:
1.Power. You will probably be surprised when you see the power range of energy -saving lamps, it ranges from 3 to 90 watts, and the latter in terms of brightness correspond to an incandescent lamp of 450 watts. This difference is the result of high efficiency. To find out what power of the energy -saving lamp you need to replace, you need to divide the power of a regular lamp by 5. So, an incandescent lamp of 100 watts will successfully replace an energy -saving lamp of 20 watts.
2. Color. It will not be about paint, but about the color temperature. The lower the temperature, the “reder” the light turns out, it looks taller. High temperatures give bluish light, which seems cold. The following names on the package will help to choose the right lamp:
6400 K – cold white light
4200 K – daylight
2700 K – warm white light
It is necessary to choose a shade based on your own preference, inappropriate light can act on a person inhibitory. Warm light helps to relax, creates comfort, so it is best to choose it for home lighting. Cold light tones, creates some tension and mobilizes forces, so it is better to choose it for office and other working rooms. At home, relaxing in such a light will not work.
3. Size and shape. Energy-saving lamps can have an U-shaped shape or look like a spiral. The difference in the quality and work of these two options. They are absolutely the same, differ only in size and price. The spiral lamps are small and are more expensive, U-shaped are cheaper, but have a larger size with the same power.
4. Base. To make the lamp you bought perfectly to your lamp, you must first measure its base. The same number must be found on the packaging of the lamp, it is written at the very end after the letter E. So, the inscription E14 means a base of 14 mm, E27 – 27 mm, respectively.
