Sichuan University purchases a 100KV voltage breakdown tester from Beiguang Jingyi in September 2025

On September 30, 2025, Sichuan University successfully purchased the BDJC-100KV voltage breakdown tester from Beiguang Jingyi

Core equipment for cooperation: BDJC-100KV voltage breakdown tester

Function and Application: This instrument is mainly used for testing the breakdown voltage, breakdown strength, and withstand time of solid insulation materials (such as plastics, rubber, ceramics, films, resins, etc.). It supports power frequency AC or DC voltage modes and is suitable for insulation safety performance testing of new energy battery materials, thermal conductive materials, flame retardant powders, and other products.

Technical parameters:

Output voltage range: AC/DC 0-100KV

Boosting rate: adjustable in multiple stages from 0.1KV/S to 3.0KV/S (or 5.0KV/S)

Compliant with national and international standards such as GB1408-2016, GB/T1695-2005, ASTM D149, etc

Support wireless Bluetooth data transmission to improve detection efficiency

Strategic synergy: promoting the substitution of domestic testing equipment and industrial integration

Accelerate the process of replacing domestic instruments
BDJC-100KV has previously been purchased in bulk by BYD and applied to the testing of power battery materials. This cooperation further validates the localization competitiveness of Beiguang Precision Instrument in the field of testing equipment, and promotes the extension of import substitution to the field of new materials.

Deepen the linkage between industry, academia, research and application
The cooperation between the two parties echoes the industry trend of "integrated innovation and development of new materials and scientific instruments" (such as the agenda of the Suzhou Industry Forum in 2024), and through iterative testing technology, it feeds back material research and development innovation, forming a "technical demand equipment upgrade industrial application" closed loop.

Background and positioning of cooperation

Sichuan University's demand: The introduction of BDJC-100KV equipment aims to improve the product quality testing system, especially for the insulation performance testing of its produced thermal conductive materials, flame retardant powders and other products, providing key technical support for the quality control upgrade during the IPO sprint stage.

Market performance of Beiguang Precision Instrument: BDJC-100KV has been purchased in bulk by BYD multiple times and applied to the testing of power battery materials, marking the accelerated replacement of domestic testing equipment in the field of new energy.

Equipment technology advantages

Precise control: using Siemens central processing unit and intelligent embedded system to achieve precise control of boost rate and real-time data acquisition;

Security protection: equipped with highly sensitive overcurrent protection (0.05S power cut-off) and dual fault alarm system (upper computer+lower computer);

Flexible adaptation: Supports air/liquid medium testing to meet the requirements of short-term short circuit testing.

Significance of cooperation

This cooperation further validates the market competitiveness of Beiguang Jingyi in the field of testing equipment, especially in promoting the process of domestic instruments replacing imports in industries such as new energy materials and specialty chemicals. ‌