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.

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A close collaboration with major transformer manufacturers has lead to the new Tettex 2796 Transformer Turns Ratio Meter. It combines mobility and user friendly handling with unmatched accuracy of up to 0.03%.

Link: Tettex Information - Measuring ratio on power transformers with higher test voltages

With easy operability and full functionality the new Tettex 2840 is the reference standard that all other instrument measuring Dielectric Losses can only hope to match.

The assembling of a Damped Capacitive Voltage Divider
(Capacitance: 300 pF, Lightning Impulse Voltage: 6 MV,
Switching Impulse: -4.6 MV / +2.5 MV, Height: 23.5 meters)

Recently installed High Voltage Component Test Field.
1700kVA Modular Resonant Test System, 1200kV Standard Capacitor and a 4MV 300kJ Impulse Generator.