LM-79 Moving Detector Goniophotometer (Mirror Type C)
LSG-6000
High Precision Rotation Luminaire Goniophotometer
LSG-1890B
High Precision Rotation Luminaire Goniospectroradiometer
LSG-1890BCCD
Goniophotometer for Automotive and Signal Lamps
LSG-1950
Goniophotometer for Traffic Signal Lamps
LSG-1950S
Compact Goniophotometer
LSG-1200A
Near Field Moving Detector Goniophotometer
LSG-1900B
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Abstract This article focuses on the lumen maintenance test method for LED products, aiming to provide a detailed introduction to the testing principles, procedures, and practical applications of the LISUN LEDLM-84PL LED Optical Aging Test Instrument. By elaborating on relevant industry standards, system features, and test results, it offers a comprehensive understanding of how to accurately ev...
The demand for reliable and energy-efficient LED lighting products has surged in recent years, emphasizing the importance of rigorous testing standards. The LED Lumen Maintenance and Aging Life Test System plays a critical role in evaluating the long-term performance of LED products. This article delves into the principles, methodologies, and significance of LED lumen maintenance and aging tests, ...
LEDLM-80PL LED Lumen Maintenance and Aging Life Test System is designed according to IES-LM-80 and TM-21, it used to test & record the optical and electrical Maintenance for single LED or LED module, the software is based on Arrhenius model and TM-21 to calculate the LED life. The LEDLM-80PL needs to work with a GDJW/GW Series High Temperature Chamber and and DC12010 DC Power Source. LED...
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