ScopeSuitable for the measurement of rated frequency 50 Hz or 60 Hz single-phase ac active electricity, used for fixed installation indoors, apply to the environment temperature is -25 ~ 55 , relative humidity is 95%, and in the air does not contain corrosive gases and avoid dust, mold, salt fog, etc.LCD shows6+2 digits LCD display shows the total power consumption.AccuratelyThe meter is fully in conformity with the relevant technical requirements of the IEC62053 international standard of grade 1 or level 2 single-phase energy meter, which can directly and accurately measure active energy of the energy consumption.anti-interferenceIt has good anti-electromagnetic interference, low power consumption, high precision, high overload, high stability, anti electricity-stolen and long life.advanced]It features high reliability, small volume, light weight, beautiful appearance, advanced technology, and 35mmDIN standard guide rail installation, etc.Materiel: Metal + ABSReference Voltage: 3 X 230/400(V)Reference Current: 3 X 20(80A)Accuracy Level: 1.0Rated Frequency: 50HzConstant Pulse: 400imp / kWhDisplay: LCD 6 + 2Power Consumption: 2W, 10VAStarting Current: 0.004IbOperating Temperature: -20 ~ 55Storage Temperature: 25 ~ 70Operating Voltage: 0.9-1.1 Rated VoltageUtmost Voltage: 0.8-1.15 Rated VoltageAverage Humidity Value of Year: 75%Type: Three Phase Four Wire Electronic TypeSize: Approx. 10.1 X 7.6 X 6.5cm / 3.97 X 2.99 X 2.55inWeight: 415gPackage List:1 X Three Phase Four Wire Electric Meter