single phase RS485 energy meter

(kwh meter,energy meter,power meter,watt hour meter) Main function: 1. Advanced micro-electronic technology is used to measure single phase active energy 2. Long-life and high-reliability components are adopted 3. Special LSI and SMT process is adopted 4. The meter has excellent error linearity within a range of 0. 05Ib-Imax 5. Large overload capacity, low power consumption6. Small volume and low weightTechnical specification: 1. Accuracy: class 1.0/2.0 2. Basic current: 2.5(10)A, 5(20)A, 5(30)A, 5(40)A10(40)A (special current as required) 3. Rated voltage (Un):127 or 220V,230V,240V (special voltage as required) 4. Reference frequency: 50Hz or 60Hz 5. Meter constant: see meter 6. Operation voltage 0.8-1.15Un 7. Insulation voltage less than 2,000V AC 9. Power consumption less than 2W/10VA 10. For meter case: we have many lots of kinds for customers choosing from 11.short terminal cover 12. steel screw or brass screw 13.port of infrared data communication and port of RS485 data communication conforms china standard DL/T645-1997 14.LCD display requirement) 15.wire connect ways : single phase two wire LLNN LNNL