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                  多功能电力仪表

                  型号: DW9E系列三相多功能电力仪表

                  数码管显示
                  可测量电压 / 电流 / 有功功率 / 无功功率 / 频率 / 功率因数等
                  共28 个电?#38382;?br /> 有功电度 / 无功电度?#23631;?#21151;能,并带脉冲输出端口
                  RS485 通信接口(采用 Modbus RTU 通信协议、及 DL/645 协议)
                  4 路开关量输入和 2 路报警输出,输入 / 输出全隔离 , 具有遥信、遥控功能
                  可选 1 路 4 ~ 20mA 模拟量变送输出功能
                  四川快乐12开奖结果杳询
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