1)Single phase electrical socket meter 2)ANSI standard 3)Anti-Tampering function This instrument quantity ... 1.0 level of electrical energy measurement request, uses the LCD demonstration electric quantity (also to be possible to select register ... ),15(60),20(80)A voltage110V,120V,220V,230V,240V meter form 1S,2SNominal Voltage (Un) 120, 120/240, 120/ ... kV, 1.2 / 50 μs Single Phase Electronic Socket Meter