The GF1000 series multi-positions single phase kWh meter test bench can measure mechanical meters, electronic mechanical meters and electricity meter error by the way of automatic, semi-automatic or manual operation. It composes of single phase programmable power source, high precision single phase reference energy meter, meter suspension test rack, Multi-channel server and precision clock source etc. GF1000 meter test bench is applied in the measurement centre of grid company energy measurement department of power supply company and energy management utility, industrial enterprise and meter manufacturers.