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    GDJB-802 Relay Protection Tester 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.


    • 4phase voltage and 3phase current output.
    • Big LCD screen display.
    • Be able to connect with PC to operate.
    • Real-time storage and print. Vector diagram display.
    • 7-channel contacts input and 2pairs idle contact output.
    • Self-protection function.
    • With independent special DC power output, 110V and 220V adjustable DC power supply output.


    AC current output

    Phase current output (effective value)                                                 0-40A

    Phase current max. Output power                                                       420VA

    Maximum parallel current output (effective value)                               0~120A

    Maximum parallel power output                                                            900VA

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

    Allowable working time of maximum current                       10s

    Frequency range(fundamental wave)                                               20-1000Hz

    Harmonic wave times                                                                        1-20times

    Accuracy                                                   0.5%

    AC voltage output

    Phase voltage output (effective value)                                      0~120V

    Line voltage output (effective value)                                       0~240V

    Phase voltage/Line voltage output power                                        80VA/100VA

    Frequency range(fundamental wave)                                              20-1000Hz

    Harmonic wave times                                                                       1-20times

    Accuracy                                                 0.5%

    DC voltage output

    Phase voltage output range                             0~±160V

    Line voltage output range                                                                 0~±320V

    Phase voltage/Line voltage output power                                        70VA/140VA

    Accuracy                                                                           0.5%

    DC current output

    Output range                  0- ±10A /phase, 0-±30A / parallel

    Maximum output load voltage           20V

    Accuracy                                    0.5%

    Binary input (7channels)

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

    Electric potential contact   “0”:0- +6V;  “1”: +11 V- +250V 

    Binary output (2pairs)

    DC  220V/0.2A

    AC   220V/0.5A

    Time measurement

    Measurement range: 0.1ms-9999s    accuracy 0.1ms


     Volume and weight



    Appearance and size


    Weight of a single machine


    Supply power

    AC 220V±10%5060Hz

    Environmental temperature

    -10℃ +50℃

    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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