About us

ACCURACY TEST & ACCREDITATION LAB.

Sichuan Accuracy Test and Accreditation Co., Ltd. (hereafter abbr. as Accuracy Is the subsidiary of Sichuan Zhongguang Lightning Protection Technologies Co., Ltd., which is a listed company in Shenzhen Stock Exchange as independent legal entity. 
Accuracy is specialized in testing lightning protection products, which covers an area of 600 square meters. It is equipped with about 30 sets/units advanced SPD testing devices, including 10/350μs 20kA impulse current generator and 8/20μs 240kA impulse current generator. The talent team has rich experience on testing SPD.
For power SPD testing, we apply following standards:
 GB18802.1/IEC61643-11: Surge Protective Devices Connected to Low-voltage Power Distribution Systems--Part 1: Performance Requirements and Testing Methods;
YD/T1235.1: Performance Requirements for Surge Protective Devices Connected to Low-voltage Distribution Systems of Telecommunication Stations/Sites;
YD/T1235.2:  Testing Methods for Surge Protective Devices Connected to Low-voltage Distribution Systems of Telecommunication Stations/Sites;
For testing of antenna SPD and signal SPD, we apply standards of :
GB/T1882.21/IEC 61643-21: Surge Protective Devices connected to Telecommunications and Signaling Networks- Performance Requirements and Testing Methods;
YD/T 1542: Technical Requirements and Testing Methods for Surge Protective Devices of Signaling Networks;
Other related national standards of telecommunication, meteorology, railway and public safety industry, are also applied for testing of various SPDs.  In addition, the testing center here can test the grounding products. The company provides testing service for lightning protection R&D institutes, manufacturers and end-users.