As market leader in various high-voltage test products we provide the test, measurement and diagnostic equipment for a wide range of electrical applications. Test systems for laboratory, factory and field use are availabl......As market leader in various high-voltage test products we provide the test, measurement and diagnostic equipment for a wide range of electrical applications. Test systems for laboratory, factory and field use are available. As a single source supplier we unify powerful resources from design, development, engineering, marketing and support - from high-voltage design over electronics to software in one company. Precision. Swiss Made. Since 1904.