What is LM-79 in LED Light?
LM-79 is a standard test method developed by the Illuminating Engineering Society of North America (IESNA) to measure the photometric and electrical properties of LED lighting products. The full title…
LM-79 is a standard test method developed by the Illuminating Engineering Society of North America (IESNA) to measure the photometric and electrical properties of LED lighting products. The full title…