... .Glass cover,steel base 3.Using life more than 10 years 4.4+1digital regis DMM28 (DD28) single ... -phase two-wire active energy consumption. Complying with standard IEC62053-11.9. Direct connect operation, two types wiring .TECHNICAL ... 230V, 240V2(4), 2.5(5), 3(6), 5(10), 10(20), 20(40), 30(60), 40(80)0.5% ... μs waveform impulse voltage 6kV5(15), 5(20), 10(30), 10(40), 20(80), 30(100)*Please advise us if ...