日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

  • 
    
  • <ul id="yy6ca"></ul>
  • <del id="yy6ca"></del>
    <ul id="yy6ca"></ul>
    <strike id="yy6ca"><menu id="yy6ca"></menu></strike>
    Hotline:400-880-1556

    English




    [Change Notice] Notice on the change of the

    Author:中認聯(lián)科 time:2020-06-24 Ctr:1707

    Notice on the change of the "Safety Certification Rules for Transformers for Switching Mode Power Supplies" and the implementation of the new standard GB/T19212.17-2019

    Relevant certification companies:

    GB/T19212.17-2019 "Safety of transformers, reactors, power supply units and similar products with a power supply voltage of 1100V and below. Part 17: Special requirements and tests for switching power supply units and transformers for switching power supply units" in 2020 Implemented on May 1, 2014, this standard replaces GB19212.17-2013. GB/T19212.17-2019 implements GB/T19212.1-2016 "Safety of transformers, reactors, power supply units and their combinations Part 1: General requirements and tests" corresponding to the general standard. The following are all referred to as "new standards". The China Quality Certification Center revised the “Safety Certification Rules for Transformers for Switching Mode Power Supplies” according to the above-mentioned standard version changes. The newly issued certification rule number is CQC11-461214-2020, which replaces CQC11-461214-2015. Hereinafter referred to as the "new version of the rules".

    The matters related to the implementation of the certification business are now notified as follows:

    1. From the date of announcement, the switching power supply transformer shall be tested and certified in accordance with the new version of the standards and rules. 2. For products that have obtained the old version of the standard and rules certification, the certificate holder can submit a change application to our center and accept the test for the new and old standard difference test items (see the appendix for specific test items), and the test is qualified The new version of the standard and rules certification will be issued later. The certificate conversion work should be completed by April 30, 2021. Certificates that have not completed the conversion after the deadline will be suspended for 3 months. If it is not completed beyond the suspension deadline, the certificate will be revoked. 3. The follow-up inspection after certification is carried out according to the standards and rules listed in the valid certificate.

    annex:

    19212.1 New and old standard differences and supplementary tests.doc

    19212.17 Difference between new and old standards and supplementary test.doc

    Please click "https://www.cqc.com.cn/www/chinese/c/2020-05-26/556365.shtml" below to download the attachment

    China Quality Certification Center


    Related Articles
    • Must-read for Bluetooth Headphones Entering the Japanese Market: A Complete Disassembly of TELEC Certification and a Guide to Avoiding Pitfalls

    • Is getting TELEC certification enough? There are two more points to note when exporting Bluetooth headphones to Japan

    • Information | ECHA announced the addition of three SVHC substances for public comment

    • [Compliance Warning] 16 new CMR substance restrictions in EU REACH Annex XVII have come into effect! Relevant enterprises need to check as soon as possible

    Follow Us
    国产91对白刺激露脸在线观看| 国产精品资源在线| 国产97在线 | 中文| 人妻夜夜爽天天爽三区麻豆av网站 | 国产freexxxx性播放| 18无码粉嫩小泬无套在线观看| 两个奶头被吃高潮视频| 国产激情精品一区二区三区| 久久久久亚洲av无码专区| 精品少妇人妻av免费久久久| 风韵丰满熟妇啪啪区老熟熟女| 熟女少妇内射日韩亚洲| 夜夜高潮夜夜爽夜夜爱爱| 亚洲成色在线综合网站免费| 亚洲国产精品无码久久久不卡| 97精品一区二区视频在线观看| 欧美丰满熟妇bbbbbb百度| 超碰97资源站| 97在线视频网站| 久久99精品视频全部是国产| 日韩少妇一区二区| 日本强好片久久久久久aaa| а√天堂资源官网在线资源| 国产精品中文原创av巨作首播| 亚洲最大AV资源网在线观看| 人与人性恔配视频免费| 久久亚洲色WWW成人图片 | 亚洲AV永久中文无码精品综合| 亚洲大尺度AV无码专区中文| 欧洲av无码放荡人妇网站| 亚洲av午夜精品无码专区| 亚洲av不卡无码国产| 6080yyy午夜理论片中无码| 国产乱子经典视频在线观看| 亚洲一区二区三区小说| 欧美人与禽zoz0性伦交| 婷婷四虎东京热无码群交双飞视频| 日木av无码专区亚洲av毛片| 亚洲人成未满十八禁网站| 日韩伊人网| 国色天香一卡2卡三卡4卡乱码|