Being equipped with safe-zero interlock for high voltage output high voltage breakdown testers [flash testers] from udeyraj & sons decide the dielectric strength, endure tests and other breakdown tests accurately and safely. These high voltage breakdown testers are offered in high finish, heavy gauge steel cabinets with adjustable overload current. Udeyraj & sons provides the flash testers with high quality epoxy cast transformers for their air cooled models and oil insulation for models of 40 kv and above. These high voltage breakdown testers come in a complete range starting from 3 kv to 150 kv both ac as well as dc.