The voltage level of this series of products covers 100kV ~ 1600kV. It is mainly used in the measurement field of HV electrical equipment, such as the capacitance and dielectric loss testing of instrument transformers, transformers, bushings, capacitors and other equipment. Also includes absolute error traceability test of standard voltage transformer.

This series of products has excellent electrical performance, the maximum short-term power frequency voltage withstand capability exceeds 1600kV, the long-term rated working voltage exceeds 1320kV, and the capacitance voltage coefficient is better than 2×10^-6.