... -3,DXS607-4 Three-Phase Electronic Reactive Power Energy Meter 1. 50HZ/60HZ 2.Degree of accuracy 2,3 ... DXS607-4 Series Three-Phase Electronic Reactive Power Energy Meter as follows: Production DescriptionDXS607-3,DXS607-4 Suitable for ... reverse direction, and measure in one wayExtend functionLCD display,Infrared communication,485communication function,etcRequirementNeed more other function,please mark ...