... price ratio,can directly replace routine measure meters,energy meter,harmonic measure meter and relevant components,as an advanced intelligent and ... ,total reactive power,power factor,frequency,quadrant energy,can measure multi-rate power2.The meter can measure the voltage in power network ... U,KW,KVAR,KWH,KVARH,HZ,COS.Four quadrant energy,multi-rate energy,2DI/2DO,2-31 times voltage harmonic,2-31 ...