Min. Order:  
1 Set
                Price:  
US$ 10
                 Place of origin:  
China
                 Supply Ability:  
88888888 sets per year
                 
            the accuracy and resolution of a device, and can test variable ratio group tester In the group test when the variable ratio accuracy and the accuracy of various groups of choice, and includes Z-shaped group. 
First, the principle of structure 
Instrument A, B, C, respectively, for three-phase input, junction ratio of the primary side of the tester, a, b, c for the three-phase output, connected to
                [Related Keywords : Variable ratio checking device, transformer testing device, variable ratio testing device]