Xi'an Shendian is the earliest manufacturer to develop split online monitor, which was granted national patent (Patent No.: 200620079695.8). The signal collector is connected in series between the grounding terminal of the surge arrester and the ground. The display is installed on the switchgear panel and has a clear display, and can monitor the number of actions and leakage current of three arresters at the same time.
The product is designed and manufactured in strict accordance with JB/T 10492. The products widely apply to the rail transit systems in major cities such as Beijing, Shanghai, Guangzhou, Shenzhen, Chongqing, Nanjing and Xi'an, the power transmission systems of high-speed railways including Wuhan-Guangzhou, Harbin-Dalian, Shanghai-Kunming, Hefei-Fuzhou, Guizhou-Guangzhou, Lanzhou-Xinjiang, Lhasa - Shigatse and Hangzhou-Changsha railways, and the large-scale and oversize national projects such as West-East electric power transmission project.