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EST 300 Series Hipot Tester

The EST-300 next-generation Hipot tester combines industry-leading compact size with unbeatable performance. This new series economically integrates AC, DC withstand, and insulation resistance into a single solution. The Hipot tester is highly portable and fits readily in any spatially limited testing environment. The EST-300 series provides a robust set of features that includes high output rating, ARC detection, ramp-high, charge-low, and fast discharge to enhance overall testing efficiency and safety by preventing the common errors and detecting any dielectric breakdowns during tests on the DUT. The interconnecting function allows expansion with a ground bond tester, offering a more complete testing system for added safety.



  • Designed with the dimensions of piece of A4 paper. The tester fully integrates AC/DC withstand, and insulation resistance testing features into a single solution.
  • Weighing only 5.5 kg, it is one of the lightest 3-in-1 Hipot testers available on the market
  • The EST-300 series is a world-class reliable safety tester.