Energy meter

DD450 Energy meter, used for measuring single-phase AC active energy of reference frequency 50Hz or 60Hz. It has manyseries long-life single-phase watt-hour meter is used for measuring single-phase AC active energy of reference frequency 50Hz or 60Hz. It has many features such as reliable structure, stable performance, long life, wide load, high accuracy, low power cons-umption, nice appearance and so on.1Executive standard: GB/T 15283, JB/T 5467.2-2002, IEC 62052-11-2003 and IEC 62053-11-2003 2Class index class 2 3Reference voltage: 220V, 230V and 240V 4Reference frequency: 50Hz or 60Hz 5Power consumption of voltage circuit: <1W and <5VA 6Starting current: max is 0.5% of basic current 7Withstand impact voltage; withstand impact waveform of 1.2/50μs, impact voltage of 6kV peak value for respectively, it has no damage. 8External structure and service life aMetallic base and transparent plastic meter cover, whose service life can reach above 15 years. BBakelite base and polycarbonate meter cover, whose ser-vice life can reach above 25 years. 9Basic current specification: 1.5(6)A, 2.5(10)A, 5(20)A, 10(40)A, 15(60)A, 20(80)A, 5(30)A and 10(60)A.