Accueil > Products Our product ranges High-precision equipment for electrical measurement, calibration and testing in the High Voltage and Ultra High Voltage sectors. Contact us Standard capacitors Capacitors for High Voltage, Extra High Voltage and Ultra High Voltage calibration. Ratiometers Instruments for accurate measurement of transformer transformation ratios. Delta tangent and capacitance measurements Precise solutions for analysing dielectric losses and insulation quality. Test cells Modular equipment for testing and validating the performance of your electrical systems. Surge tester Robust generators for pulse testing and high-voltage lightning simulation. Epstein frames Specialised equipment for measuring magnetic losses in ferromagnetic materials. Test benches Customised benches for reliable electrical testing, tailored to your specific needs.