Product Introduction： AC and DC indicator calibration device is a new generation of portable meter source integrated meter calibration device launched by our company. The product has the characteristics of beautiful appearance, full function, excellent index, high reliabili...

Product Introduction： The single-phase electric energy meter field calibrator is a high-precision measuring instrument integrating electric parameter measurement, electric energy meter verification, CT transformation ratio measurement, and fault analysis. ...

Product Introduction： The current and voltage transformer load box is a variety of effective loads that are specially provided when testing current and voltage transformers. The transformer load box is strictly in accordance with the national standard JJG313-94 << Current ...

Product Introduction： The standard current transformer is used as the current transformer calibration standard in the error test of the transformer ...

Product Introduction： When the current transformer is used to verify the current transformer, it is used as the power supply for the primary current of the current transformer or as other 50Hz single-phase power supply equipment. ...

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, ...