It is a portable meter test bench which can test the 3P3W or 3P4W static meters, mechanical meters and electric mechanical meters. Descriptions: Simple operation interface, easy to use PS/2 port support standard PC keybaord User-defined current range to fit meters of different range Voltage,current,phase output can be closed loop Can generate harmonic 2 21 times Can save 500 records of test result User-defined test loads, also creep voltage and startup current RS232 can transfer test data to PC, and used to upgrade the software Data manage function on equipment Digital filter can improve the deviation of electronic meter Specifications: Voltage(V): 100220380660, Resolution:0.01%RG, 0 120%RG Current: User-defined range, Resolution:0.01%RG, Max 50APhase: 0 360° Resolution0.01°Frequency 45 65Hz, Resolution: 0.002HzStability of output power: 0.02%RGWave distortion: ≤0.5%Voltage output capacity: ≥20VA maxCurrent output capacity: ≥30VA maxComprehensive error of equipment: E≤±0.1%Evaluation value of standard deviation: S≤0.04%Power supply: 180 250Vac,50 60HzSize: 407×444×132 mmWeight: 18kg