... +1digital regis DMM28 (DD28) single phase mechanical kilo watt-hour meter is applicable to measure 50 Hz or 60 Hz active ... overall, or bakelite with glass window (optional); Meter base Aluminium, steel, bakelite etc; Meter terminal block is made of quality bakelite material ... (A)Starting CurrentInsulationPerformanceDMM28(DD28)2.0220V, 230V, 240V2(4), 2.5(5), 3(6), 5(10), 10(20), 20(40), 30(60), 40(80 ...