HAOMAI testing devices

HAOMAI.HAOMAI was established on July 27, 1999, and is registered in the Wuhan East Lake High-Tech Development Zone. The company is a national-level high-tech enterprise specializing in the research, development, production, and sales of power system testing instruments, online monitoring equipment, and live-line testing devices. Adhering to the philosophy of “driven by R&D and innovation, guided by industry needs, and committed to customer satisfaction,” the company stays at the forefront of the power industry’s development and conducts product R&D and service activities with a deep focus on real-world application scenarios. Each year, the company develops over 100 new products, technologies, and collaborative R&D projects, and has participated in the formulation of dozens of national standards for the power industry. To date, it has successfully developed and mass-produced the “Relay Protection Star” series of relay protection testers, current transformer testers, distribution automation test instruments, DC power supply test equipment, HVDC transmission test devices, as well as online monitoring and new energy testing equipment. Particularly in the field of dissolved gas monitoring in transformer oil, the company has been dedicated to the applied research of laser photoacoustic spectroscopy since 2010. After more than a decade of continuous research and development and iterative improvements, it successfully launched the PASL-3000 Laser Photoacoustic Spectroscopy Online Monitoring System for Gases in Transformer Oil. This system meets the State Grid A1 standard and offers advantages such as maintenance-free operation, high precision, high repeatability, and strong environmental adaptability. It has been widely recognized by users and has established a comprehensive intellectual property system. The company’s main products include: relay protection testing equipment, distribution automation testing equipment, transformer oil and gas monitoring systems, load-simulation-based vector verification equipment for relay protection, current transformer testers, DC system testing equipment, intelligent operation and maintenance systems, power system automation testing equipment, new energy series testers, and high-voltage DC testing equipment.