In the ANSI/IES LM-82-20 standard, which was developed jointly by the American National Standards Institute (ANSI) and the Lighting Engineering Society (IES), in order to assist the lighting fixture manufacturers in choosing the appropriate LED light engines and integrated LED lamps for each luminaire product, interpretation is made. and methods of consistent measurement and data presentation are described for ease of comparison. This standard contains procedures for measuring optical and electrical properties as a function of temperature of LED light engines and integrated LED lamps. This standard also applies to LED luminaires.
The performance of light emitting diodes (LEDs), eg luminous flux and lifetime, is highly dependent on the temperature at the LED junction, and this temperature varies depending on how the LED is integrated into the luminaire and the application environment. LED light engines and integrated LED lamps are used in many different luminaire types, including decorative lighting and non-directional applications.
The approved method described in the ANSI/IES LM-82-20 standard describes the measurement procedures for the luminous flux of LED light engines and integrated lamps using alternating current power sources, unless the device is specifically designed for direct current.
near the LEDThe thermal environment inside is changed by both the luminaire design and the application environment. The luminaire manufacturer models the expected light output of a particular luminaire design by measuring the performance characteristics at various temperatures.
This standard references ANSI/IES LM-79-19 Approved method for all photometric and electrical measurements: Optical and electrical measurements of solid-state lighting products, but measurements are performed at elevated temperatures. Therefore, the ANSI/IES LM-82-20 standard is seen as ANSI/IES LM-79-19 standard procedures. However, this characterization has been extended to include any performance degradation of LED light engines and integrated lamps that will occur at high temperatures.
Our organization, among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors, with its trained and expert staff and advanced technological equipment, within the scope of ANSI/IES LM-82-20 standard, the optical and electrical properties of solid state lighting products are a part of the temperature. It also provides testing services to determine its characterization as a function.
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