For proper hanging light bulb or according to the type of application usage on your room, you need to look at some of the parameters and the type of lights that exist in the specification. Catalog types of lamps, the unit used to distinguish light colors lighting or so-called Kelvin or Color Rendering is often abbreviated K. The higher Kelvin number is usually in the thousands of units, the more bluish white light color lighting. Vice versa, the lower the Kelvin numbers the more yellow light reddish color of the lamp. To determine what is the right color for your room then your application if the room to relax, for the bedroom, dining, family room, you should select a light yellow color. Do not use the color white because the yellow color is softer, comfortable for relaxing and resting shades. Conversely, if the application for serious nuanced workspace, we should choose white.
More information of hanging light bulb, it is said that incandescent lamp (bulb) is not energy efficient. Incandescent lamp itself is a source of artificial light generated through the distribution of electric current through the filament which is then heated and produces light. Glass that surrounds the hot filament block the air to get in touch with him so that the filament will not directly damaged by oxidized. Currently marketed incandescent lamps in various shapes and are available for voltage (voltage) working range from 1.25 volts to 300 volts. The electrical energy required for incandescent bulbs produce light more bright than the other artificial light sources such as fluorescent lamps and light diode.
Glass lamp of hanging light bulb with a tungsten filament wrapped the price is cheap but has a light controversy efficiency is very low. The light bulb is actually a lot instead. But with cheap price earlier, in Indonesia is still widely used. Energy-saving lamps last longer and even higher energy efficiency than light bulb. Although this lamp also has the disadvantage that no directs light, it is good color and trash not contain mercury. Not surprisingly, experts are currently examining light to make energy-saving lamps without mercury.
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