... display, add up to maximum 1,000,000Kwh3) Accuracy: ±0.5% F.S4) Available for measuring voltage,current,power factor ... Voltage input impedance: ≥300KΩ(450V),Current input impedance: ≤0.02Ω(direct input AC 0-5A)15) Communication: RS485, Modbus RTU16) CT: Free setting ... range 1.0-199917) Dimension(mm) : 8: 96WX48HX100L; 80: ...