1Multi-function power meter measurement for three-phase voltage, current, active power, reactive power, power factor, grid frequency, active energy and reactive energy. 2Good accuracy, strong stability, four buttons design, enables the instrument to achieve convenient and flexible use. 3LCD digital display with high brightness presents three-phase current or voltage value stimutaneously. 4Premium ABS housing, superior flame retardant properties, easy wiring. 5Suitable for complete monitoring and management on the electrical parameters of various incoming loops and large-capacity distribution output loops.Features: 1. Multi-function power meter measurement forthree-phase voltage, current, active power, reactive power, power factor, gridfrequency, active energy and reactive energy. 2. The signal can be directly input from thecurrent and voltage transformers, and the input parameter ratio can be set byvirtue of field programmability. 4. Good accuracy, strong stability, fourbuttons design, enables the instrument to achieve convenient and flexible use. 5. LCD digital display with high brightnesspresents three-phase current or voltage value stimutaneously. 6. Premium ABS housing, superior flameretardant properties, easy wiring. 7. Suitable for complete monitoring andmanagement on the electrical parameters of various incoming loops andlarge-capacity distribution output loops. Specification: Material: ABS Color: Shown aspicture Size:Approx.9.5*9.5*9.5cm/3.7in Package Weight:Approx.390g/13.8oz Measuring Function Parameters Signal input Wiring 3-phase 4-wire/3-phase 3-wire Voltage Range 380V/100V Overload Continuous: 1.2 time