QB/T 5039-2017 in English

This standard provides a detailed methodology for evaluating the performance of LED lamps. It outlines specific procedures for measuring various parameters such as luminous flux, color temperature, and efficiency. The document also includes guidelines for testing under different environmental conditions to ensure consistent results. Additionally, it specifies the equipment and calibration requirements necessary for accurate measurements. The standard aims to establish a uniform approach for testing LED lamps across the industry, facilitating quality control and product comparison. It covers both the technical specifications and the testing protocols required to assess the performance characteristics of LED lamps effectively.