3 Phase voltage meter 1. Multi function LCD Meter 2. 3 Phase Voltmeter 3. 0.5%FS accuracy, ... , etc. Total 28 electrical parameters;2) 240*160 dot big LCD for display.3) Two On-Off Input / Output, with remote ... optional modules4. 10 years back-up of integrated energy data5. Large LCD, high brightness, auto-scrolling6. High accuracy, V or I is ...