The ADF400L series multi-user energy meter can achieve direct measurement of up to 12 three-phase or 36 single-phase channels through module combinationThe mixed measurement method of 12 way three-phase transformer connection measurement, direct connection, and transformer connection, this series of electric energy meters has high accuracy and centralized installationThe advantages of centralized management, high installation flexibility, and non-interference are highly favored by residential areas, schools, enterprises, etc. This series of instruments supports prepaid functions.