CHINT DD701 Single-phase Electromechanical Watt-hour Meter, is the first design a “locking device” on the structure adjusting, it can eliminate the effects of error change which caused by vibration and shock , already pass the national power total public company power equipment and instrument quality test center reliability verification test, accord with reliable life for 25 years "requirements.

• KEMA Certificate DD701

• DD701 Single-phase Electromechanical Watt