Huzhou, China – May 30, 2026 – Huzhou Aidi Electric Co., Ltd., a high-tech enterprise specializing in power system testing instruments, officially announced the release of its latest flagship product, the AD292Z-B Automatic Instrument Transformer Multi Tester. Designed as a professional high-voltage transformer tester integrated with the advanced AD292Z digital mutual inductance analysis module, this new device delivers precise and reliable parameter detection for high-voltage transformers, power system calibration, and electrical equipment performance verification, bringing a cost-effective solution for Affordable Relay Protection in modern power grid infrastructure.
Developed to meet the rigorous demands of harsh substation and industrial testing environments, the AD292Z-B features strong anti-interference capability, a wide testing range, and intuitive real-time data output. It perfectly complements the functional system of a High Quality Relay Tester, effectively addressing core challenges in transformer-relay matching and secondary circuit parameter calibration. As an upgraded auxiliary device for mainstream testing equipment, it significantly optimizes the overall working performance of a standard Relay Protection Tester during daily power maintenance and emergency troubleshooting tasks.
Adopting industrial-grade hardware components and optimized digital algorithms, the AD292Z-B ensures consistent, repeatable, and accurate test results even in long-term field operation. It serves as an essential supporting tool for a Reliable Relay Tester, minimizing data deviation caused by environmental interference, temperature fluctuations, and equipment aging. Fully compliant with international and industry testing standards, this versatile high-voltage tester meets the strict calibration requirements of the Best Relay Testers available on the global market.
Lightweight, compact, and easy to operate, the AD292Z-B greatly improves on-site testing efficiency while reducing manual operation errors. It provides robust technical guarantees for the safe and stable operation of high-voltage power transformation and relay protection systems, making it an ideal choice for power utilities, engineering companies, and industrial enterprises worldwide.
About Huzhou Aidi Electric Co., Ltd.
Founded in 1998, Huzhou Aidi Electric Co., Ltd. is a leading manufacturer of power system testing and monitoring equipment in China. With over 20 years of technical experience and continuous innovation, the company offers a comprehensive range of products including relay protection testers, instrument transformer testers, high-voltage generators, and other specialized electrical testing devices. Committed to “quality-oriented, service to society,” Huzhou Aidi Electric Co., Ltd. strives to deliver high-quality, reliable, and cost-effective solutions for the global power industry.