To determine the quality of an LED lamp, it is essential to use tests formulated by the National Iranian Standard. These standards are designed to ensure optimal performance and proper lifespan of LED lamps, and by conducting these tests, it can be ensured that the lamps are suitable and standard in terms of performance and safety. The National Iranian Standard, in numbers 1-14878 and 2-14878, outlines all the details of the tests and the scoring method.
According to this standard, to evaluate LED lamps, a set of various tests including electrical, photometric, safety, durability tests, lumen maintenance factor at 1000 hours, lumen maintenance group test, and tests related to tolerable torque, torsional and bending torque must be performed. These tests are conducted precisely and under controlled conditions to ensure the correct performance of lamps in different environments.
Testing and Scoring Stages
In the National Iranian Standard, a total of 3000 points are allocated for 21 different tests. The exact details of each test and the scoring method are clearly stated in this standard, and by referring to it, more complete information about how to measure the quality of each lamp can be obtained.
Any lamp that successfully passes the tests and obtains sufficient points is recognized as a quality lamp. In this scoring system, there are specific cases where, if they occur, the lamp is considered a low-quality lamp.
Failed Cases for LED Lamps
If any of the following cases are observed, the lamp is recognized as a low-quality and failed lamp and should not be offered in the market:
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Reduction of measured luminous flux of the lamp to less than 90% of the nominal luminous flux
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Lumen maintenance factor less than 90% after 1000 hours of operation
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Energy efficiency class less than A
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Non-compliance with the specified degree of protection
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Non-compliance with the specified tolerable torque for the lamp cap
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Obtaining a quality score less than 60% of the total score
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Non-compliance with marking
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Failure in the lamp cap interchangeability test
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Non-compliance with the safety standard
Quality Ranking of Lamps
If the lamps successfully pass all tests and none of the failed cases are observed in them, their quality rank is determined based on the total score obtained. According to the standard, the quality ranking of lamps is as follows:
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Quality Rank A: For lamps whose total score is between 80% and 100%.
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Quality Rank B: For lamps whose total score is between 60% and 80%.
Importance of This Standard
This standard is not only vital for manufacturers of LED lamps but also helps consumers choose quality and safe products. Having accurate and scientific information about the performance and quality of lamps can ultimately lead to an improved quality of life, reduced costs and energy consumption, and even enhanced safety in work and public environments.
Ultimately, this testing and evaluation process helps manufacturers produce lamps with high quality and efficiency that are both energy-optimal and have a longer lifespan, and consumers can be assured of purchasing quality products.
