中文字幕波多野不卡一区,无码专区人妻系列日韩视频,女人毛片a级大学毛片免费,91一级片,国产性生大片免费观看性欧美,igao国产视频,伊人久久精品亚洲午夜,精品无码专区亚洲
Home >  Main Business >  Testing Services
Low voltage electrical apparatus

EETI can provide clients with China Compulsory Certification, voluntary certification, CB certification and commissioned test for low-voltage switchgear and control gear, low-voltage fuse, miniature circuit breaker, residual-current circuit breaker, surges protector and various electric apparatus accessories, reactive power compensation devices, compensation controller, cable bridge, cubical substation, DC power supply equipment and assembly accessories, and also undertake quality supervision and inspection, and technical evaluation test tasks authorized by quality supervision department, other administrative departments, and scientific research organization.

 

  • Detection capability
  • Goods and services in the field
  • Test port – own domestic advanced short-circuit test technique; can provide multi testing ports for different voltage grades, perform short-circuit test items for more than 10 samples simultaneously, and carry out performance test to low-voltage  electric apparatus under full working condition.

    Short circuit test---three-phase 1800V、500kA

    DC: 440V、320kA  12kV,175kA

    Temperature rise test—long term test current 35kA, short time test current 120kA (symmetrical wave)

    Electrical endurance test—can carry out durability test of electrical apparatus, of which when A.C contactor is put in the electrical endurance test under the condition of AC-3, AC-4, while the maximum rated voltage reaching 690V, and the maximum rated current can reach 800A

    Environmental Test – can perform high and low temperature test, humid heat test, salt spray test, IP test upon electric apparatus, and the volume of dust-proof test box is 420m³, which could conduct IP test in the range of IP00-IP68

    Mechanical Test—can perform shock vibration test, impact test, tilt and sway test, pull test, bending test and torsion test

    Sliding contact type bus way test—can do performance test for sliding contact type bus way under the dual operating conditions (voltage, current), the regulating ranges of voltage and current are wide, the test precision and efficicency is high

    Corrosion resistance test---sulfur dioxide accelerated corrosion test for protective layer of metal materials, components and electron device

    UV test---to adopt the xenon arc lamp which can simulate the whole spectrum of sunlight to reproduce the destructive wave in different environments, and can provide corresponding environmental simulation and accelerated test for R&D, and quality control of assemblies

    Power harmonic and filtering detection ---- under the condition with harmonic source, to test the suppression harmonic and filtering functions for assemblies with those functions

Suzhou Electrical Apparatus Science Research Institute Co.,Ltd.
Address: No.5 Qianzhu Road, Yuexi, Wuzhong District, Suzhou 215104, CHINA
Branch Address: No. 7 Yonghe Street, Binhe Road, New District, Suzhou 215011, CHINA
Phone: +86-512-69551355
Email: eservice@eeti.cn
主站蜘蛛池模板: 欧美午夜在线视频| 国产91丝袜在线观看| 国产精品不卡永久免费| 国产最新无码专区在线| 午夜视频免费试看| 伊人国产无码高清视频| 亚洲成aⅴ人片在线影院八| 亚洲最大福利网站| 久久夜色精品国产嚕嚕亚洲av| 欧美www在线观看| 欧美日韩在线第一页| 久久综合AV免费观看| 亚洲国产理论片在线播放| A级毛片无码久久精品免费| 日韩黄色大片免费看| 国产网友愉拍精品| 国产区在线观看视频| 亚洲人成网站色7799在线播放| 日本人妻丰满熟妇区| 免费观看国产小粉嫩喷水| 久久国产精品无码hdav| 麻豆a级片| 欧美精品H在线播放| 亚洲中文无码h在线观看 | 日韩123欧美字幕| 国产成本人片免费a∨短片| 四虎永久免费网站| 国产黄在线观看| 激情成人综合网| 亚洲国产日韩欧美在线| 欧美日韩亚洲国产| 中字无码av在线电影| 国产在线视频二区| www精品久久| 中文字幕自拍偷拍| 国产美女一级毛片| 婷婷久久综合九色综合88| 欧美日韩中文国产va另类| 福利视频久久| 亚洲欧美在线综合图区| 久久超级碰| 国产性猛交XXXX免费看| 久草视频福利在线观看 | 久久久亚洲国产美女国产盗摄| 国产精品私拍在线爆乳| 亚洲视频免| 亚洲Va中文字幕久久一区| 欧美精品在线免费| 欧美日韩久久综合| 国产拍在线| 国产综合在线观看视频| 国产噜噜噜视频在线观看 | 国产网站免费| 国产精品女在线观看| 大陆国产精品视频| 国产乱人激情H在线观看| 99热这里只有精品免费| 国产精品尤物铁牛tv | 亚洲欧洲天堂色AV| 日韩精品久久无码中文字幕色欲| 国产地址二永久伊甸园| 四虎综合网| 波多野结衣无码AV在线| 久久国产精品影院| 国产成人夜色91| 99无码中文字幕视频| 国产精品yjizz视频网一二区| 麻豆国产原创视频在线播放 | 国产福利一区在线| 精品国产成人a在线观看| 91久久偷偷做嫩草影院| 国产特级毛片aaaaaa| 亚洲日韩国产精品综合在线观看| 中文字幕1区2区| 97国产精品视频人人做人人爱| 她的性爱视频| 欧美成人午夜视频免看| www精品久久| 欧美不卡视频在线观看| 91精品免费久久久| 午夜欧美理论2019理论| 亚洲激情99|