... 2.Lcd display 3.ISO Certificate Specification and Technical Data 2,Rated Voltage(V):Three- ... 2.0Function and features: 1,Two-way power measure and electricity stealing proof,high accuracy, high reliability, high overload, low ... wire)phase, uninfected measurement 4,Wide service temperature range 5,Assuming output of electric energy test ... Three phase three wire electronic digital multi tariff kWh Meter,