We won a tender in Pakistan on April 12 . Which includes Six (6) sets GDYJ-501 80kV Transformer Oil BDV Tester and Six (6) sets GDJ-5KVA/100KV AC DC Hipot Tester. last Friday we already completed the production. They will be shipped to customer soon.GDYJ-501 is used to measure breakdown voltage valu

1. The measurement should generally be performed after the oil temperature has stabilized. Only after the oil temperature is stable, the oil temperature can be equal to the winding temperature, and the measurement result will not cause temperature conversion errors due to temperature differences.For

Last month a customer placed an order with us. Which includes one set ZJA-3000L/H Transformer Oil Purifier,GDYJ-502A 80kV Transformer Oil BDV Tester and VLF-40kV Hipot Tester . Last Friday we completed the production and ship them out from our factory.We, CHONGQING GOLD MECHANICAL & ELECTRICAL EQUIP