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: 伊人无码视屏| 在线国产资源| 欧美日韩一区二区在线免费观看| 综合色88| 久久这里只有精品免费| 欧美三级日韩三级| 亚洲欧美日韩天堂| 久久久久人妻精品一区三寸蜜桃| 噜噜噜久久| 99精品福利视频| 日韩第一页在线| 99精品国产电影| 欧美日韩亚洲国产| 色综合中文字幕| 日韩中文字幕免费在线观看| 日韩在线永久免费播放| 亚洲天堂自拍| 伊人久久福利中文字幕| 99久久精品国产综合婷婷| 青草国产在线视频| 一本色道久久88| 国产精品女主播| 日韩午夜片| 国产香蕉97碰碰视频VA碰碰看| 中文国产成人精品久久一| 一区二区在线视频免费观看| 亚洲色图欧美激情| 无码内射在线| 国产高颜值露脸在线观看| 99国产精品国产| 又污又黄又无遮挡网站| 国产美女精品在线| 伊人天堂网| 精品成人一区二区| 亚洲中文无码av永久伊人| 亚洲无码不卡网| 国产高清毛片| 在线观看欧美国产| 在线视频一区二区三区不卡| 国产免费a级片| 欧美亚洲第一页| 国产成人8x视频一区二区| 青青草一区二区免费精品| 69视频国产| 一级爆乳无码av| 国产第一页第二页| 久久人体视频| 三级国产在线观看| 中文字幕欧美日韩高清| 日本精品视频一区二区| 91极品美女高潮叫床在线观看| 日本中文字幕久久网站| 亚洲色中色| 免费欧美一级| 国产在线一区二区视频| 国产精品浪潮Av| 黄色网站在线观看无码| 亚洲娇小与黑人巨大交| 国模沟沟一区二区三区| 欧美日韩国产精品综合| 精品伊人久久大香线蕉网站| 99久久精品无码专区免费| 亚洲无线一二三四区男男| 国产第四页| 国产精品妖精视频| 婷婷久久综合九色综合88| 亚洲狼网站狼狼鲁亚洲下载| 99er精品视频| 青青草a国产免费观看| 日日碰狠狠添天天爽| 无码福利日韩神码福利片| 色综合激情网| 国产欧美高清| 在线看免费无码av天堂的| 精品一区二区三区自慰喷水| 国产日韩精品欧美一区灰| 国产综合亚洲欧洲区精品无码| 亚洲成A人V欧美综合天堂| 久久国产精品影院| 精品国产中文一级毛片在线看| www.亚洲色图.com| 国产综合网站|