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      Products & Services
    1. Power quality class

    2. Automation protection

    3. Intelligent monitoring class

    4. Overvoltage protection

    5. Neutral grounding class

    6. Power supply

    7. IEC61850 protocol converter

    8. SMR-4B series loss of pressure and current chronograph



      SMRJSY-4B series multi-function voltage loss current chronograph is a new generation of products designed and manufactured by our company with the latest scientific and technological achievements of today's electronic technology. By monitoring the voltage (PT) loop and current (CT) loop of the metering loop, it can accurately judge the operating state of the metering loop, and record in detail the various parameters during the fault period, and replace the artificial or non-human leakage meter energy. It is an ideal electric energy metering and monitoring instrument.

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