Single phase prepaid kWh meter

This is single phase prepaid kWh meter with LCD display, this prepaid kWh meter has both IC card and CPU card. Back-up power: When the meter recognizes a power outage,all billing data are transferred to non-volatile memory at this time Display: LCD type, at leaset 9 digitls with 2 decimals Infrared communication: Using standard infrared meter reading device.Aim at the infrared port to read the data, and at the same time, it also could change the data in the meter Switch off when remain energy is zero Switch off when the over loaded Record and read data: 1)When on power, the user could read total energy, remain energy,bought kwh recently, meter address, impulse number,communication password, alarm kwh, times of switching off 2)When off power, the meter will record the total kwh, remain kwh and impulse number 3)After setting, the meter will record the set data. 4)Charge the kwh through the key pad, the meter will record the kwh 5)When the total energy is over 999999.99kwh, the meter will set to 000000.00kwn and record all the data. Interface: Interfact port for readout and write data.- Optoelectronic (via USB)