- CAP-CAL calibrator module to check the correctness of Tan Delta and Capacitance TD 5000 measurement.
- RCTD compensating reactor module to increase the test current and getting the maximum test voltage with high capacitive burdens. • STOIL 12kV OIL CELL to test the isolation oil characteristics. • STCS with 20A DC BOOSTER to perform the test of ratio per tap,winding resistance and OLTC dynamic test with a current up to 20 A DC.
- STLG line and grid module and STSG safety grounding module to perform the measurement of soil resistivity, ground grid resistance, step and touch tests and of overhead lines zero sequence and mutual coupling coefficients