Product Introduction： The standard voltage transformer is a self-boost integrated combined voltage transformer designed and manufactured for the actual needs of the grass-roots power supply and production departments. This product has the advantages of compact structure, ...

Product Introduction： Voltage transformer secondary circuit voltage drop measurement methods are usually either indirect measurement method and or direct measurement method (wireless measurement is an indirect measurement method), because the accuracy of the indirect measur...

Product Introduction： A comprehensive tester for field errors of voltage transformers. It can meet the user's measurement of the voltage transformer's error (ratio difference, angle difference). It has the characteristics of high precision, good stability, small size and l...

Product Introduction： On-site calibrator for current transformers. It can meet the user's measurement of the current transformer error (ratio difference, angle difference). The features of high precision, good stability, small size and light weight greatly facilitate users....

Product Introduction： The automatic transformer calibration equipment is a new generation of transformer calibration tester developed by our company. It adopts the design idea of virtual instrument. The user only needs to operate the virtual instrument interface on the com...

Product Introduction： The State Grid Corporation's Production and Operation Department's "Guidelines for On-site Inspection of Electric Energy Measurement Devices" clearly stipulates that the actual secondary load of the current transformer and voltage transformer should...