End of the October we received an order from our regular customer. Which is his third time purchase GDYJ-502A Transformer Oil Breakdown Voltage BDV Tester from our company. Total four(4) sets. Which will be used for a top laboratory & calibration agency.GDYJ-502A Transformer Oil Breakdown Voltage BD

In late July, we received an order from our regular customer in Bulgaria. The order Including two sets GDYJ-502A Transformer Oil BDV Tester. In fact, this customer has purchased one set GDYJ-502A Transformer Oil BDV Tester from our company in 2020. The performance is very good.For the new order, th

The test items for power transformers shall include the following:1. Insulating oil(transformer oil) breakdown voltage test ;2. Measure the DC resistance of the winding together with the bushing;3. Check the voltage ratio of all taps;4. Check the three-phase wiring group of the transformer and the p