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In the realm of modern lighting technology, solid-state lighting (SSL) products, particularly those utilizing light-emitting diodes (LEDs), have revolutionized the way we illuminate our surroundings. LEDs offer numerous advantages over traditional lighting sources, including higher energy efficiency, longer lifespan, and better environmental sustainability. However, to harness the full potential of these advanced lighting solutions, it is imperative to establish standardized testing procedures that ensure their performance and reliability. This is where the LM-79 and LM-80 standards, developed by the Illuminating Engineering Society (IES), come into play.

LM-79: Illuminating the Path to Performance

The LM-79 standard, officially known as “ANSI/IES LM-79-08 – Electrical and Photometric Measurements of Solid-State Lighting Products,” serves as a beacon for evaluating the electrical and photometric characteristics of SSL products in a controlled laboratory environment. This standard provides a comprehensive framework for measuring critical parameters such as luminous flux (the total amount of light emitted by a source), luminous intensity distribution (how the light is distributed in space), chromaticity (the color of the light), color rendering index (CRI, which indicates how well the light source renders colors), as well as electrical parameters like voltage, current, power, and power factor.

The data obtained from LM-79 tests are invaluable for manufacturers, as they provide a clear picture of how an LED product will perform in real-world applications. For consumers, these measurements offer transparency and confidence in the products they choose, ensuring that they receive the promised levels of brightness, efficiency, and color quality.

LM-80: The Guardian of Lumen Maintenance

While LM-79 focuses on the initial performance of LED products, LM-80, or “IES LM-80-08 – Approved Method: Measuring Lumen Maintenance of LED Light Sources,” takes a longer-term view. This standard is dedicated to assessing the lumen maintenance of LED light sources, which is a key indicator of their longevity and reliability. Lumen maintenance refers to the ability of an LED to maintain its light output over time, which is critical for understanding how an LED product will perform as it ages.

The LM-80 testing procedure involves subjecting LED packages, arrays, and modules to extended periods of operation under specific temperature conditions, while regularly measuring their light output. The resulting data are then used to create lumen maintenance curves, which predict how the LED’s light output will decline over its expected lifespan. This information is essential for manufacturers to provide accurate lifetime predictions for their products, helping consumers and specifiers make informed decisions about the long-term performance of LED lighting solutions.

The Synergy of LM-79 and LM-80

Together, LM-79 and LM-80 standards form a powerful duo that ensures the quality and performance of LED lighting products. LM-79 provides the immediate snapshot of an LED’s capabilities, while LM-80 offers a glimpse into its future, ensuring that the light it emits remains consistent and reliable over time. These standards not only guide manufacturers in producing high-quality products but also instill confidence in consumers and specifiers, fostering a market that values performance, efficiency, and sustainability.

As the lighting industry continues to evolve, the LM-79 and LM-80 standards remain at the forefront, acting as guardians of innovation, ensuring that the LED revolution delivers on its promise of a brighter, more efficient, and more sustainable future.

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GTG Group’s expertise in LM-79 and LM-80 testing can significantly benefit your LED lighting product development and market entry strategies. By partnering with GTG Group for LM-79 and LM-80 testing, you can ensure that your products are compliant with industry standards and regulatory requirements, thereby enhancing market credibility and consumer trust. Interested in learning more? Please fill out our short form, our expert will be glad to assist further.

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© 2012-2024 GTG Group. All rights reserved.