WH400系列为一款标准4位数显单功能电力仪表，满足电压、电流的测量及显示功能外，可选配2点继电器报警、1组变送输出或1组RS485通讯功能（三选一）。仪表操作按键内藏设计。

WH400系列单功能电力仪表的特点

●仪表可测量交直流电流、交直流电压；

●4位0.8寸LED显示（-1999~9999），小数点位置和量程范围按需设置；

●RS485通讯（Modbus-RTU协议）功能、两组继电器输出功能及一组变送输出功能，可三选一；

●按键内藏式设计（前面板内），避免人为误操作；

●体积轻巧   外形美观  安装方便  抗干扰能力强。

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