<center id="lxu0n"></center>
        免费人成又黄又爽的视频网站 ,国产又黄又爽,中国国产一级毛片视频,久久无码高潮喷水免费看,国产一本一道久久香蕉下载,久品精品一区二区,欧美xxxx新一区二区三区,在线无码免费网站永久
        Hotline:400-880-1556

        English




        Lamp quality inspection report

        Author:中認聯科 time:2020-08-27 Ctr:2141

        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
        • Compliance Alert | Essential for Export to the Middle East! The new standard IEC 60335-2-14:2025 for kitchen appliances will be mandatory from February 7, 2027

        • Compliance required reading | US FCC extends exemption for updating foreign UAV equipment: existing equipment can be safely updated until 2029

        • Vietnam electric motorcycle battery new regulations released: QCVN 31:2026/BXD will take effect on October 9, 2026!

        • Beginner’s Guide for Compliant Power Bank Production: Required Documents & Audit Flow for CCC Certification

        Follow Us
        主站蜘蛛池模板: 色婷婷亚洲婷婷7月| 亚洲小说乱欧美另类| 亚洲激情综合| 亚洲熟妇久久国产精品| 人妻精品一| 久久国产人妻一区二区免费 | 国产中文字幕久久黄色片| 久草福利| 亚洲精品国产suv| 女人与公拘交酡全过女免费 | 日韩成人一区二区二十六区| 欧美精品网| 少妇人妻88久久中文字幕| 亚洲精品大秀视频| 国产波多野结衣中文在线播放| 亚洲区欧美区综合区自拍区| 久天啪天天久久99久孕妇| 国产精品亚洲成在人线| 人妻aⅴ久久久北条麻妃| 中国AV第一站| 狠狠色狠狠综合久久| 美女国内精品自产拍在线播放| 好爽好黄的视频| 亚洲精品一区二区妖精| 国产福利2021最新在线观看| 国产精品福利在线观看秒播| 天天色天天综合网| 成年男人裸j网站| A级毛片18以上观看视频免费| 农民人伦一区二区三区| 妺妺窝人体色WWW看美女| 国产免费av片在线观看播放 | 欧美人与动牲交xxxxbbbb| 美女黄av| 亚洲欧洲美洲无码精品va| 欧美一区二区精品| 亚洲swag精品自拍一区| 中文字幕精品无码| 国产精品三级一区二区按摩| 日本sm/羞辱/调教/捆绑视频| 亚洲无码视频在线播放|