однофазный электронный счетчик активной энергии

single phase electronic active power meter with both LCD and counter display. Rated voltage:220V, 230V Current Specification: 5(10)A 5(20)A 5(30)A 10(40)A 15(60)A 20(80)A Accuracy:1.0 Referential frequency: 50-60Hz FUNCTIONS AND CHARACTERISTICS 1. Large scale integrated circuit and surface mount technology (SMT) are used with advanced technology and simple structure as well as high reliability. 2.New integrated circuit with built-in digital multiplier special for electronic energy is brought in from abroad and adopted to extend the dynamic working range of the meter. 3. Working within the range of 5%Ib Imax, the meter has a good error linear. 4.Pulse testing output can be applied to the collection reading system. 5.The meter is electromagnetically compatible, anti-jamming and lightning-strike-proof. 6.The display design is practical and can meet the customers requirements. 7.Wide environment temperature ranges between: -30 +55.