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Feature:
(1) Measure power energy and display the number with character wheel register, can calculate reverse electricity as normal electric power;
(2) Few periphery component,simple structure,low power consumption;
(3) Adopt high reliability and long life electronic component,so the meter assumes feature of high reliabili-ty and long life;
(4) adopts advanced microelectronics technology,large-scale integrated circuits and digital sampling technology,do not need calibrate for long term operation