Used for verifying and calibrating the accuracy of transformer ratio testers (ratio bridges) The transformer ratio group tester calibration device is ...
In the verification of current transformer, it is used to simulate the secondary load of the transformer under test. The current load of the device is ...
Used to test all performance parameters of current transformers, such as error, insulation resistance, primary withstand voltage, secondary withstand ...
The standard current transformer, functioning as a calibration device, is used to verify the accuracy of current transformers with two or fewer levels ...
The standard voltage transformer, as a standard instrument, is used to verify the errors of transformers with accuracy grades two or less levels lower ...