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Highlighted Companies

  • Eagle Eyes China Inspection Company (China): Eagle Eyes (CHINA) Quality Inspection Co.,Ltd. is a professional Third... https://www.china-qualityinspection.com
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    • Led Optical Aging Test Instrument - China

    price: contact company for price

    Led Optical Aging Test Instrument

    Products Photos Catalog Led Optical Aging Test Photos Catalog

    LEDLM- 80PL LED Lumen Maintenance and Aging Life Test System is designed

    according to standards of IES- LM- 80, IES- LM- 82, TM- 21 and GB2312-

    80, and the software is developed base on Arrhenius model.

    LED has the

    features of long life, but with the different working condition and

    drive current, its life will be different, but generally the life will

    be around 50K hours.

    Differ from the traditional lightsource, LED light

    will decay gradually rather than extinguish instantly, so in the

    standard of LM- 80, it introduces L70, L50 and etc.

    1) L70 ( hour) : time to 70% lumen maintenance

    2) L50 ( hour) : time to 50% lumen maintenance


    Company Contact:


    • Phone: 02151083341

    • Address: Nanxiang Zhidi Industry Park, No. 1101, Huyi Road,, Shanghai , China

    • Email: Email


    Published date: March 16, 2016

    • Business Description: Lisun Electronics Inc was found by Lisun Group in 2003 - We have sales & service offices in Hong Kong and Shanghai.

      The Lisun Group were award CE certificate.

      As a CIE Supportive Member, all of the test instruments of Lisun Group are designed according to CIE Standards.

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