... .LCD or cyclometer display 3.Aluminium base and glass cover,long terminal cover 4.IEC62053-21 DSM228-02 single phase two ... ) and SMTmanufacturing technique,the key components and part all adopt long life type.The meter has the features of good reliability ... electric components,hioverload, do not need to calibrate for long-term operation♦Direct connect operation,there are two types wiring you ...