The RDYD series AC withstand voltage test device is a compact, durable tool for high-voltage insulation testing. Ideal for power systems, industry, and research labs.

Wrindu AC high-voltage dry-type test transformer is oil-free design with compact size, high safety, stable output, and easy operation for labs, workshops, and on-site testing.

Wrindu's Portable 20kVA AC high-voltage inflatable test transformer is Lightweight, oil-free, low corona, 100kV output, ideal for on-site and lab testing.

The RDSL-82 Series Primary Current Injector provides reliable high-current testing for electrical devices. It offers customizable output, supports various tests, and meets IEC standards.

Wrindu HV DC Hipot Tester delivers stable DC high voltage, low ripple, and fast protection for safe insulation testing. Compact, accurate, and ideal for field or lab use.