... 3 Phase voltage meter 1. Multi function LCD Meter 2. 3 Phase Voltmeter 3. 0 ... Total 28 electrical parameters;2) 240*160 dot big LCD for display.3) Two On-Off Input / Output, with ... 10 years back-up of integrated energy data5. Large LCD, high brightness, auto-scrolling6. High accuracy, V ... Meter Basic Function:Provide one RS485 communication, measures and display real-time parameters:1. VoltageāUa, Ub, Uc ...