How to judge whether compatible led tube is qualified?
Compatible with LED tubes to replace traditional fluorescent tubes, you need to remove the original electronic ballast or bypass it directly during the installation process. Rewiring involves a lot of electrical safety operations and requires the operator to have an electrician certificate, which greatly increases the replacement and installation cost of compatible LED tubes.
Everyone knows that foreign labor is very expensive! Few people will bypass the ballast and rewiring in order to switch to compatible LED tubes. Therefore, there are so-called compatible LED tube products compatible with electronic ballasts, which can be used to directly replace traditional fluorescent lamps. This type of product installation does not involve electronic ballasts, no need to re-wiring, only need to remove the old fluorescent tube, plug in a new compatible LED tube. The installation process is very simple and the replacement cost is also very low. However, considering that there are a large number of electronic ballasts of different brands, different powers, different BFs, and different designs that have been installed and used in reality, if they are directly connected to this type of compatible LED tube, there will be an electronic ballast and The matching and compatibility issues of the lamp tube. Therefore, the "compatibility" of compatible LED tubes and traditional ballasts has become the most important feature of such products.
What is the concept of compatibility with LED lamps? The "compatibility" of a product is firstly a safety test, followed by a performance test. If the safety test fails, it is useless to talk about any performance. Safety testing includes at least Pin-Safety test and Mis-Use test. The Pin-Safety test is to simulate whether one end of the lamp tube is connected to the socket of the lamp holder, and whether the human body touches the other end of the lamp tube will cause electric shock. In the UL certification, the requirements for the leakage test of Type A and Type B lamps are different. For Type B lamps, M.I.U must be less than 5.0. The Mis-Use test is to simulate whether the lamp is incorrectly connected to a variety of lamp holders, including single-ended, double-ended, AC, DC, etc., whether it will cause electric shock, short circuit, trip, or even fire, etc. Danger. This is actually a very important security test, but it is often overlooked. Many of the so-called "two-in-one" and "three-in-one" products on the market cannot pass the safety test, and the safety risks are extremely high.
How to test it? Mainly include connecting compatible LED tubes to different brands, different powers, different types (IS / RS / PS), different BF ballasts (BF ~ 0.78 / 0.88 / 1.18, etc.), under different input voltages, and even lighting a lamp , When two lamps, three lamps, and four lamps are working, check whether the LED drive current is constant. If the driving current has a large variation range, it means that the key parameters such as the working temperature, luminous decay, output lumens and luminous efficiency of the LED lamp beads will vary greatly in the actual application environment, so the nominal performance parameters of the compatible LED lamp are often not reached. , Light decay is also difficult to control.
