1.Starting test and creeping test 2.Measuring the different constant meters synchronously. 3.With the protect function of overload, short voltage circuit and open current circuit. 4.The testing software with friendly windows 2000 and xp interface, include functional module of all kinds of modern energy meter needed, to reality error test, harmonic test, demand test, influence test. 5.The stored testing data can be transferred to multi-format for other program using