Ask an expert!
Our product specialists can compare models, confirm availability and lead time, and help you find the best option for your application
Hioki is a leading manufacturer of electrical measuring instruments and test equipment, providing precision solutions for power analysis, battery testing and industrial maintenance. Its portfolio includes digital multimeters, clamp meters, power analysers, battery testers, data loggers and insulation testers. Trusted by engineers, electricians and researchers worldwide, Hioki products support applications in energy, automotive, electronics manufacturing and electrical maintenance.
The Hioki ST4030A Impulse Winding Tester is designed for detecting insulation defects and turn-to-turn shorts in motor coils and windings. It applies impulse voltage and analyzes the resulting response waveform to identify abnormalities that may not be detected by conventional tests. With an impulse voltage range of 100 V to 4200 V, high-speed sampling up to 200 MHz, and 12-bit resolution, the ST4030A provides fast and reliable winding inspection for motor manufacturing and production-line quality control.
Buy with confidence
From product selection to long-term support, we make it easy to get the right equipment and ongoing services you can rely on.
Work with product specialists who can compare models, answer technical questions, and help identify the right equipment for your application.
Keep equipment accurate and performing reliably with accredited calibration, repair, and ongoing service support.
Choose the purchasing model that fits your budget and project needs with new, pre-owned, and rental equipment options.
Purchase genuine manufacturer products with the confidence of authorized distribution, manufacturer-backed warranties, and trusted support.
