How to avoid the minefield of LED tube purchase?
1. Evaluation sample selection
2. Photoelectric data test comparison
We all know that one of the most intuitive parameters that reflect the energy-saving and high-efficiency characteristics of LED lighting products is luminous efficiency. The calculation formula is the ratio of total luminous flux to total power, and the unit is lumens/watt (lm/w). Generally speaking, the higher the luminous efficiency, the stronger the ability of the lighting fixture to convert electrical energy into light energy, that is, the stronger the energy saving of the lighting fixture under the condition of providing the same brightness; under the same power, the lighting of the lighting fixture The stronger the sex, the greater the brightness.
3. Security testing
At present, the world is still in the stage of LED tubes replacing traditional lamps, and China has become the most important manufacturing base for LED tubes. While the industry is prosperous and developed, the safety of LED tubes has not attracted widespread attention. Due to the internal electrical connection between the two ends of the pins of some double-ended LED tubes, when one end of the double-ended LED tube is inserted into a live lamp socket, the other floating end will be charged. In practical application, since the installation user often cannot tell whether the light switch has cut off the power supply, when one end of the double-ended LED light is inserted, the charged pin at the other end may cause electric shock to the installer, which will cause electric shock injury and additional injury of human falling.
4. Product installation
According to the International Electrotechnical Commission (IEC) standard, single-ended wiring is safer than double-ended wiring. However, due to the relatively low price of double-ended LED tubes and the lack of knowledge of potential safety hazards, consumers often choose double-ended LED tubes incorrectly when purchasing products. In addition, both single-ended wiring and double-ended wiring need to be changed during the installation process, but many people subconsciously think that single-ended wiring is more complicated to change. For this reason, double-ended LED tubes are popular in China, which brings huge safety hazards to consumers.
5. Price Analysis
At present, China has become the world's largest manufacturing base of LED lighting products, and the competition in the industry is also becoming fierce, the most obvious of which is the "price war". Different brands of products are competing to lower prices, which has also caused certain purchase troubles for consumers.
When we buy LED tubes, we can use the above five dimensions as a reference to avoid unnecessary losses caused by choosing to buy.
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