GDBC-901 Multi Function Transformer turns ratio tester

GDBC-901 Multi Function Transformer Turns Ratio Tester It is designed according to IEC76-1,IEC60044,and GB/T1094 standard.It could be applied to test the ratio of single or three phase transformer.Also the connection group of three phase transformer could be calculated with the ratio.All parameters are measured in one test for three phase transformer. Functions 1. The voltage ratio measurement for three or singe phase transformer 2. The group vector measurement for three