タイトルまたは説明

The DD**2 single phase meter is designed to meet the IEC*******1, IEC*******1 standards for both indoor and outdoor installations. The meter with mechanical construction complying BS***5 is also available. With accuracy of class 2, it measures active energy in single-phase two-wire or three-wire alternating current power grids. Connection is direct or by instrument transformers. The average service life(MTTF)is *0 years and the maximum overload capacity is **0%lb.