LED energy-saving lamps are increasingly popular among consumers because of their obvious power-saving effect, long service life, no stroboscopic effect, no noise, and soft light working voltage range. However, there are many LED energy-saving lamps on the market, and the quality is not good. How to buy your own satisfactory products in the energy-saving lamps in the lighting store? The "four look" can identify the advantages and disadvantages of energy-saving lamps, as described below. A look at packaging and trademarks The state mandates that LED lamp manufacturers produce the following contents on the outer packaging: rated voltage, voltage range, rated power, and rated frequency. Generally speaking, the quality of the trademark printing of high-quality products is good, the font is clear, it is not easy to fall off, and it is wiped with a soft damp cloth. The mark is clear and identifiable, it is not easy to wipe off, and there are trademarks of manufacturers and related certification marks. Counterfeit products have poor printing quality, fuzzy fonts, easy to erase, no manufacturer's trademark and related certification marks. Second, look at the appearance of LED tubes The real LED energy-saving lamp is a three-color tube, which is white, covered by hand, and whiter. At the same time, multiple tubes can be put together. The shape and size of the tube are better. The quality of the products produced is guaranteed. At the same time, the outer casing should not be cracked or loose, and there should be no traces of the seal at the seal. During the installation and disassembly process, the lamp cap should not be loose or smashed. Third, look at the temperature at work When the LED energy-saving lamp is in normal working condition, its temperature rise should be very low. Otherwise, the LED energy saving lamp has a very short life. At the same time, when the energy-saving lamp is lit, there is a rapid flashing, or it is very glaring, indicating that the energy-saving lamp has quality problems. Four to see the startup performance LED energy-saving lamp startup has two characteristics: First, the higher the temperature, the easier it is to start; the second is that the lamp is turned off and will not flash. In addition, it is worth mentioning that many LED energy-saving lamps are very dark, which is not good for the life of the bulb. LED energy-saving lamps should have power circuits and PCB boards inside.
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