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    GDJB-902 Protection Relay Test Set hits:

    Product Description

    Relay Protection Microcomputer Test Device plays a key role in operating electricity power systems reliably and safely. It is the testing device used in professional field of microcomputer protection, relay protection, excitation measurement, fault recorder.



    • Embedded host machine, equipped with big programmed CPLD (Complex Programmable Logic Device).
    • 12channels D/A output simultaneously in a single machine.
    • High precise linear power amplifier, 5-phase voltage and 3-phase current output  simultaneously.
    • 8inch LCD screen display. Provide with keyboard/mouse connecting port, also 2USB port, 2 RS232 port, to communicate with PC and other communication devices.
    • Easy to carry, suitable for flexible testing and wild working.
    • Intelligent self-protection.
    • 8channels switching value input and 4channels switching value output. Input contact is idle contact and 0-250V potential contact for selectable, intelligent identification.
    • Plentiful Binary and powerful software function.
    • Two groups of DC power supply, 110VDC/1.0A&220VDC/0.6A,no need to set and adjust by software(Optional).


    Main rated parameters

    AC current output


    Phase current output (RMS)                      3×0~30A

    Maximum output power              260VA/phase

    Maximum parallel current output (RMS)        0~90A

    Long-term allowable working value of phase current (RMS)     >10A

    Allowable working time of maximum current                 >11s

    Accuracy                                        <±0.2%

    AC voltage output


    Phase voltage output (RMS)           5×0~130V

    Line voltage output (RMS)                 0~260V

    Maximum output power                      70VA/phase

    Accuracy                                     <±0.2%

    DC voltage output



    Output range                  0~300V or 5×0~±130V

    Maximum output power           130VA

    Accuracy                                     <±0.2%

    DC current output



    Output range                  -15~15A or 3×0~±15A

    Maximum output power                    200VA

    Accuracy                                   <±0.2%

    Binary input

    Idle contact                  1~20mA, 24V (DC)

    Electric potential contact         0~250V (DC)

    Binary output

    Idle contact                     250V/0.5A (DC)


    Other rated parameters

    Rated output

    Frequency error                   <±0.01HzHz

    Phase error                                    <±0. 2°

    Waveform distortion                     <±0.3% (fundamental wave)

    Time error                                         <40µs

    Output frequency                      0~1050Hz

    GDJB posed harmonic wave          0-21times

    Power voltage

    Allowable range               AC220V±10%, 50Hz±10%

    Ambient temperature

    Use range                                         0~45

    Storage range                          -25~70

    Time measurement

    Test range                0.1ms~999999.999s

    Exterior appearance of cabinet

    Electromagnetic compatible cabinet, which is made of high-grade all aluminum alloy extruded section and has fine appearance, is selected.

    Dimension of cabinet: length×width×height 360mm ×195mm ×375mm

    Weight of cabinet

    Weight of host machine               16.6kg

    Load-bearing output

    Selectable between light load or heavy load output

    (When any phase current output surpasses 15A, it is suggested to press key F3 before test of each functional module so as to switch to heavy load output mode)

    Address: F/10, Block B7, JinYinTan Modern Enterprise City, Dongxihu District, Wuhan, China
    Email: info@hvhipot.com
    Skype: hvhipot@hotmail.com
    Tel: +86-27-85568138
    Fax: +86-27-65606183
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