Products

  • GDJD-3A SF6 Gas Density Relay Calibrator

    GDJD-3A SF6 Gas Density Relay Calibrator

    GDJD-3A SF6 gas Density Relay Calibrator is automatic calibrator, which uses embedded microprocessor to proceed performance calibration for all kinds of SF6 gas density relay. 

  • GDPD-414 Portable Partial Discharge Detector

    GDPD-414 Portable Partial Discharge Detector

    The GDPD-414 Portable Partial Discharge Detector adopts Smart Quick intelligent power test system , and is a portable local discharge inspection tool for live high voltage insulation equipment.

     

     

     

     

  • GDHG-201P CT/PT Analyzer

    GDHG-201P CT/PT Analyzer

    GDHG-201P CT/PT Analyzer is a lightweight, portable unit capable of testing both current and voltage transformers.

    • CT testing includes Excitation Characteristic Test, Knee Points, Turn Ratio, Polarity, Secondary Winding Resistances, Secondary Burden,Ratio Error, Angular Difference
    • VT testing including Excitation Characteristic Test, Knee Points, Turn Ratio, Polarity, Secondary Winding Resistances, Ratio Error, Angular Difference

     

     

     

  • GDHG-108A CT/PT Analyzer

    GDHG-108A CT/PT Analyzer

    GDHG-108A CT/PT Tester supports test voltage method to test bushings CTs which installed on transformer or inside switch-gear, suitable for the laboratory and on-site detection. 

  • GDHG-106B CT/PT Analyzer

    GDHG-106B CT/PT Analyzer

    GDHG-106B is a multifunctional tool specially designed for analyzing current transformers and voltage transformers of protection or measurement use. The operator only needs to set values for test current and voltage, the instrument will automatically boost voltage and current, and then show test results in a short time. Test data can be saved, printed, and uploaded to PC through USB interface.

  • GDRB-F Transformer Winding Deformation Tester (SFRA & Impedance Method)

    GDRB-F Transformer Winding Deformation Tester (SFRA & Impedance Method)

    GDRB-F Transformer winding deformation tester adopts sweep frequency response analysis (SFRA) method and impedance method to detect transformer winding movements and mechanical failures due to mechanical shock, transportation or short circuits, with features of fast test speed, high frequency stability and powerful analysis software.

  • GDRB-C Power Transformer Winding Deformation Tester

    GDRB-C Power Transformer Winding Deformation Tester

    Power transformer winding deformation tester (frequency response method) is based on the measurement of characteristic parameters of transformer internal windings, adopts the internal fault frequency response analysis (FRA) method, can accurately judge the internal faults of transformers.

     

     

  • GDRB-B Transformer Frequency Response Analyzer

    GDRB-B Transformer Frequency Response Analyzer

    Power transformer winding deformation tester (frequency response method) is based on the measurement of characteristic parameters of transformer internal windings, adopts the internal fault frequency response analysis (FRA) method, can accurately judge the internal faults of transformers.

     

  • GDB-IV Three Phase Transformer Turns Ratio Tester

    GDB-IV Three Phase Transformer Turns Ratio Tester

    The internal power module in the tester generates the three-phase power or two-phase power, which is output to the high voltage side of the transformer. Then the high voltage and low voltage are sampled at the same time. Finally, the group, ratio, error, and phase difference are calculated.

     

     

     

     

     

     

  • GDB-H Handheld Automatic Transformer Turns Ratio Tester

    GDB-H Handheld Automatic Transformer Turns Ratio Tester

    It can accurately measure turns ratio, group and phase angle, which is suitable for all kinds of transformers such as Z type transformers, rectifier transformers, electric furnace transformers, phase-shifting transformers, traction transformers, scott and invert-scott transformers.

  • GDB-D Transformer Turn Ratio Tester

    GDB-D Transformer Turn Ratio Tester

    GDB-D Transformer turn ratio tester is designed for three phases transformer in power system and especially for Z type winding transformer and other transformers with relatively large no-load current. 

  • GD6100C Transformer Insulation Oil Tan Delta Tester/Oil Dielectric Tester

    GD6100C Transformer Insulation Oil Tan Delta Tester/Oil Dielectric Tester

    GD6100C Automatic Precision Oil Dielectric Loss Tester, is used for measuring dielectric dissipation factor and DC resistivity of insulating oil and other insulating liquids. 

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