The DC resistance test of transformer windings is an essential test item for transformers after handover, overhaul, and change of tap changer. The Regulations stipulate that it is necessary to measure the DC resistance of transformer windings during transformer handover, major repairs, minor repairs

End of March we shipped one set GDB-P Transformer turns ratio tester to one of our regular customer.Compared to GDBC-901 TTR Tester, GDB-P has high capacity chargeable lithium battery,Convenient for on-site use. Except for power transformer, it can also measure special transformer,such as phase shif

This week we arranged the shipment about one set GD-2H SF6 Synthesized Tester to our regular customer. Before purchasing GD-2H SF6 Synthesized Tester, this customer already purchased GDGK-307 Full Automatic circuit breaker analyzer, AC DC Hipot Tester and some other testing equipment from our compan