What are the misunderstandings of choosing LED tubes for office lighting?
First, it is generally believed that the higher the power, the higher the brightness. In fact, the brightness of LED tubes used for office lighting is measured by luminous intensity. The luminous intensity refers to the luminous intensity in the normal direction. That is, the luminous flux emitted by the unit solid angle, the unit of candlelight, and the small intensity of LED luminous intensity is measured in candela. , the light source will emit luminous flux with different intensities in different directions. Electric power refers to how much work is done per unit time, and electric power refers to the speed of work. On LED_, it is not that the greater the power of the LED, the higher the brightness of the product.
Second, it is believed that the effective angle of LED tubes for office lighting refers to the luminous angle. This is incorrect. Double the half angle is the actual luminous angle. Customers should pay attention to the actual luminous angle when purchasing LED tubes. The number of products used is subject to the actual lighting angle.
Third, confuse the laboratory service life with the actual service life, and the expectations are too high. The salesman blurred the time for the customer when selling the LED light, and misled the customer. For example, the LED light used by everyone is up to 100,000 hours, but it actually refers to the time in the laboratory. Different LED tubes are in different environments and under different conditions. , the time and frequency of use are different under different temperatures and humidity. As a light source for lighting, the brightness of the lamp will have an attenuation change.
Therefore, when purchasing LED products, customers should pay attention to light decay rather than service life.
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