1.It tests the alternating leakage current or sustained current under the operating tension of various classes of voltage zinc oxide lightning arrester

2.frequency reference voltage under the frequency reference current.

(1) Specialize:

Our company engineers most from Wuhan National Grid Institute, have mature technology and wonderful products,have our first oversea order as early as 2007 year to Vietnam, have near 80 countries & areas for now, we have near 20 years experience manufacture & marketing in h.v test area, has won three national patent certification, grasp the core technology, we can customized according to your special requirement.
   

(2) Quality:
Strictly factory to user quality control, all equipments will be tested by our Quality Control Department before leave factory.The Inspection Report will be sent to you when shipment to user.
 

 (3) Service:
Timely and effective before and after sales service.
3 years warranty and technical support.
Golden supplier of alibaba, support 100% protection for product quality and first time shipment, which welcomed by our old users.

(1) The technology support includes many national research institutions and famous universities, such as: Wuhan High-voltage Research institute, Huazhong University of science and technology, Wuhan University, China Optical Valley Industrial Base, etc. 

(2) It mainly carries through developing power & electric measuring calibrators, high-voltage testers, related or specialized abnormal modes in specialized fields for testing devices and searching for tech-cooperation on custom-making these products (we promise to achieve whatever you have in or out of your mind).

(3) We major in designing, producing and selling online monitoring systems of first and secondary equipments and their relevant softwares and tech equipments, and provide technology support too. 

(4) Our product market has covered nationally the domestic power system as well as other involving industries, and yearly exported quantity products aboard. We look forward to well-round technical communication and cooperation with people from different walks.