<sub id="u7b13"><p id="u7b13"></p></sub>
    <p id="u7b13"><menu id="u7b13"></menu></p>
    <p id="u7b13"></p>
      <cite id="u7b13"></cite>

        久久精品夜色国产亚洲av,色狠狠综合天天综合综合,四虎国产精品成人免费久久,亚洲自拍偷拍福利小视频,一区二区三区黄色一级片,国产精品自拍一二三四区,国产在线视频不卡一区二区,91久久亚洲综合精品成人
        Hotline:400-880-1556

        English




        Lamp quality inspection report

        Author:中認聯科 time:2020-08-27 Ctr:1678

        What is a quality inspection report

        The so-called quality inspection report refers to the safety and performance testing of the product, successfully entering other platforms such as Tmall, JD.com or supermarkets, or as a reference standard for consumers. According to the three-level standard (national standard, ministerial standard and enterprise's own standard), carry out quality assessment, make basic evaluation, and analyze the reasons for qualified or unqualified quality. This is the main part of the quality inspection report. It is necessary to have a laboratory authorized by China Metrology Certification (CMA) + China National Accreditation Service for Conformity Assessment (CNAS), and the quality inspection report issued by it is valid.

        Lamp quality inspection report standard

        Lamp quality inspection report generally refers to the GB7000 standard, or tests EMC electromagnetic compatibility, IP rating, luminous flux and other properties.

         image.png

        The GB7000 test standard for lamps makes key requirements for the following items:

        Luminous flux maintenance rate: The ratio of the luminous flux at a specific time during the life of the lamp to the initial luminous flux of the lamp, expressed as a percentage, when the lamp is lit under specified conditions.

        Life: the cumulative time when a finished lamp burns down from the ignition point, or when the lamp works to be lower than any requirement of the life performance specified in the standard. The lifetime of 50% lamp failures tested by several bulbs cannot be less than the lifetime of rated 50% lamp failures. The number of several lamps is determined by the manufacturer, but it should be at least 20.

        Lumen maintenance rate: After 2000 hours of aging, including the aging stage, the lumen maintenance rate cannot be lower than the figure provided by the manufacturer.

        All tests must be performed on the basis of the rated frequency, unless required by the manufacturer; the bulb must be tested on a ventilated, vertical base, including life testing. Regarding turning on and off, the lumen maintenance and life test of the lamp should be turned off 8 times within 24 hours. The closing time should be between 10-15 minutes. The opening time should be at least 10 minutes.

        Which lamps need to do quality inspection report

        Common lamps that require quality inspection include indoor ceiling lights, flood lights, bulb lights, LED tubes, light bars, outdoor square lights, courtyard lights, underground lights, etc. The quality inspection report of outdoor lamps is in addition to testing safety regulations In terms of content, performances such as dustproof and waterproof, environmental reliability, and anti-aging are also required.

         image.png

        Lamp quality inspection report purpose

        Lamp quality inspection reports are often used for lamp project acceptance, national bidding and procurement contracts, acceptance, building materials market entry, B2C mall, investment promotion, etc.

        Lamps and lanterns products enter and renew Taobao Tmall and other malls, and the items that need to be tested in the quality inspection report are:

        Marking, structure, grounding, protection against electric shock, insulation resistance and electrical strength, leakage current, creepage distance and clearance, impact test, durability test, ball pressure test, needle flame test, component temperature test, wiring method, installation method, etc. Safety test.

        For more information about the lamp quality inspection report, please call ZRLK for detailed inquiries, and professional engineers will answer you online. If you provide us with product pictures and specifications, we will give us the corresponding cycle, quotation and specific plan according to your product. Welcome to inquire.

        image.png


        Related Articles
        • What is the CB certification for smart bracelet batteries? Understand the core meaning of one article

        • The compliance threshold for smart bracelet batteries: CCC certification is the core requirement

        • Smart Glasses CE-RED Certification Guide: An Essential Guide for Market Access in the EU

        • What is FCC ID certification for routers? Why is it necessary to export to the United States?

        Follow Us
        主站蜘蛛池模板: 99久久无码一区人妻a黑| 狠狠躁夜夜躁人人爽天天69| 亚亚洲视频一区二区三区| 中文字幕亚洲制服在线看| 国产精品午夜福利视频234区| 热久久美女精品天天吊色| 成A人片亚洲日本久久| 久久中文字幕无码专区| 伊人久久大香线蕉综合影院| 亚洲国产日韩a在线亚洲| 国产97人人超碰CAO蜜芽PROM| 国产精品一亚洲av日韩| 日韩最新中文字幕| 国产短视频一区二区三区| 天天夜碰日日摸日日澡性色av| 日韩精品亚洲精品第一页| 日韩精品无码人妻一区二区三区| 久久精品国产久精国产| 蜜臀av午夜精品福利| 国精品午夜福利不卡视频| 国产麻豆剧传媒精品国产av| 国产精品亚洲аv无码播放| 中文字幕一区日韩精品| 国产亚洲精品成人av久| 高清无码爆乳潮喷在线观看| 国产精品v片在线观看不卡| 日韩精品无码一区二区三区视频| 亚洲特黄色片一区二区三区| 果冻传媒18禁免费视频| 欧美和黑人xxxx猛交视频| 99精品国产综合久久久久五月天| 亚州av第二区国产精品| 国产 亚洲 制服 无码 中文| 亚洲另类欧美综合久久图片区| 国产视色精品亚洲一区二区| 久久亚洲精品11p| 18禁成人免费无码网站| 国产成人a在线观看视频免费| 国产精品亚洲二区在线看| 无码人妻精品一区二区三区蜜桃| 国产中文字幕日韩精品|