中文字幕日韩在线观看,久久久人人玩人妻精品综合,国产欧美日本在线,久久精品免费视频6,欧美精品黄色网站,色综合久久久久无码专区,亚洲区欧美中文字幕久久,国产手机在线视频,国产中文字幕视频在线观看,日本一区二区免费在线观看

Hotline:400-880-1556

English




Project Introduction

Dust test is used to test the electrical and electronic products, automobile and motorcycle parts, and seals in the sand and dust environment to prevent the sand and dust from entering the seals and the shell, and the test method to determine the impact of the sand and dust suspended in the air on the product. To test the performance of the use, storage and transportation of electronic and electrical products, auto parts, motorcycle parts and seals in sand and dust environment.

Dust level

IEC/EN60529 dustproof is divided into 7 grades (grade 0 ~ grade 6), dustproof grade (e.g.IP5X-dustproof grade 5)

Level 0: No dust protection at all

Level 1: It can protect foreign objects with a diameter larger than 50 from falling into the equipment

Level 2: Protects against foreign objects with a diameter greater than 12.5 falling into the device

Level 3: It can protect foreign objects with a diameter larger than 2.5 from falling into the equipment

Level 4: Protects against foreign objects with a diameter greater than 1.00 falling into the device

Level 5: Dust cannot be completely prevented from entering, but the amount of dust that enters must not affect the normal operation of the device or safety

Level 6: Completely dustproof


Online consultation

Online consultation

Recommend
  • BSCI certification

    BSCI certification

    BSCI certification is an abbreviation of BusinessSocialComplianceInitiative, and Chinese is called business social standard certification. BSCI is an organization that advocates the business community to abide by social responsibility. At the same time, it is a non-profit organization.

  • Enterprise CMA certification

    Enterprise CMA certification

    CMA, the name is \"China Metrology Accreditation\", the abbreviation of \"China Metrology Accreditation\" in English. According to the provisions of Article 22 of the Metrology Law of the People’s Republic of China: “The product quality inspection agency that provides notarized data to the society must be evaluated by the metrological administrative department of the people’s government at or above the provincial level for the capability and reliability of metrological verification and testing. Qualified.\"

  • CNAS certification

    CNAS certification

    Laboratory accreditation is a third-party certification that CNAS has the ability to perform specific testing and calibration work for testing and calibration laboratories.

Dust test

Dust test is used to test the electrical and electronic products, automobile and motorcycle parts, and seals in the sand and dust environment to prevent the sand and dust from entering the seals and the shell, and the test method to determine the impact of the sand and dust suspended in the air on the product. To test the performance of the use, storage and transportation of electronic and electrical products, auto parts, motorcycle parts and seals in sand and dust environment.

Get a quote
国产高清无码在线观看| 精品欧美一区二区三区久久久| 久久久久人妻一区二区三区VR| AV在线高清一区| 人妻丰满熟妇AV无码区免| 国产精成人品日日拍夜夜免费 | 亚洲av综合色区无码一区爱av| 国产精品51麻豆cm传媒| 日韩精品专区av无码| 国产亚洲真人做受在线观看| 男ji大巴进入女人的视频| 亚洲成AV人片在线观看天堂无| 欧美成人久久| 国产精品一区二区午夜嘿嘿嘿小说| 尤物视频最新网址| 97久久精品人人做人人爽| 国产精品香蕉一区二区三区| 少妇系列之白嫩人妻| 亚洲国产成人精品无码区在线播放 | 免费无码成人片| 九月婷婷人人澡人人添人人爽| 日韩av影院在线观看| 99久久精品费精品国产一区二| 无遮挡A级毛片免费看| 亚洲AV成人无码久久WWW| 免费国产污网站在线观看| 内射白嫩少妇超碰| 中文字幕一区二区人妻性色| 99精品国产在热久久| 欧美又粗又长又爽做受| 99久久精品视香蕉蕉| 午夜福利啪啪片| 91中文字幕网| 中文字幕无码人妻aaa片| 亚洲欧洲av一区二区久久| 国产欧美精品三区| 亚洲高潮视频| 国产成人 亚洲 欧洲在线观看| 超级碰碰免费视频| 国产福利啪啪| jk福利影视在线|