GDB-IV Transformer Turns Ratio Tester is suitable for measuring variable ratio phase of power transformers, phase-shift rectifier transformers, Scott transformers, reverse Scott transformers, etc.The internal power module in the tester generates the three-phase power or two-phase power, which is out

Today we shipped one set GDJB-III Single Phase Relay Protection Tester to our customer.GDJB-III Single Phase Relay Protection Tester is used to adjust and test relaying protection tester of power supply system. The DC voltage output is 0~350V continuous adjustable, output capacity:960VA.The DC curre

Last week one of our customer placed an order with our company. Which includes one set GDHL-100A Circuit Breaker Contact Resistance Tester. Last Friday we already completed the production, and will ship it out from our factory today. And we will provide DOOR to DOOR service(including shipping cost,e