龙8国际

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      1. 电工仪表

        型号: DW系列单相多功能电量仪表

        电压、电流精度等级为 ±0.5%F.S,电度值精度为 1 级 
        同时测量电压、电流、功率因数、有功功率、无功功率、视在功率、电度7个电参数;真有效值测量
        输入/输出全隔离
        具有两路上下限可任意设定的报警
        具有一路可对任意测量参数进行4~20mA变送输出功能
        RS485通信接口,Modbus RTU通信协议
        显示切换与菜单设置操作方便,运行状态和电度值有掉电保护