... ,ISO14001,9001 5.OEM... General IntroductionSingle-phase Prepaid Electric Meter offers many features to public utilities and has two ... Energy MeterCharacteristics1. Double display by mechanical wheel and LCD, more accurate and avoid dispute between Power Company ... IC card, double displayDDSYF-C---contactless IC card, LCD displayFavorable Reviews from ClientsLower failure rate, reliable operation and ...