Stationary Three Phase Energy Meter Test Bench

The three phase meter test bench can be applied to electric power departments, electric energy meter manufacturers, measuring and quality examining departments and the mining factories or enterprises for testing the 3P3W or 3P4W static meters, mechanical meters and electric mechanical meters. ·Testing modes: active, reactive and factitious reactive ·Starting and creeping test ·Testing the basic error, average error and standard deviation ·Testing meters with different meter constants within the same rack simultaneously ·Two operation modes: Automatic and manual ·Error data processing and rounding off, data saving and output online ·Excellent data management and statistic function, printing all kinds of reporting forms ·according to the users requirement ·High stability and reliability of the scanning head with the function of testing the static meters and mechanical meters ·The swing-together function of the scanning heads improves the working efficiency ·Simple and reliable mechanical structure ·The protection function of current open circuit and voltage short circuit ·The number of the measuring positions of the test bench ranges from 3 to 48, the figure can be selected according to the users requirement Technical specification Power supply Environment temperature: Relative humidity Test voltage output (Phase-Neutral) Power of the voltage output Resolution for voltage Stability for voltage Voltage deviation from 0-max. load Setting accuracy of the voltage Distortion factor of the voltage Test current output Power of the current output Resolution for current Stability for current Current deviation from 0-max. load Phase angle Resolution of the phase angle Setting accuracy for phase angle Test frequency range Resolution of the frequency Rack Number of meter positions Quick acting connectors 3P4W 3×220V±10% 50Hz±2Hz -10 ... +40 35% ... 85% 3×40V ... 450V 3×1000VA(max) 0.01% 50ppm/h 0.01% Better 0.05% at the final range value 0.3≤ (on linear Load) 3×1mA ... 120A 3×1500VA (max) 0.01% 50ppm/h 0.01% . 0° ... 360° 0.01° 0.1° 45Hz ... 65Hz 0.01Hz . Aluminum profile to avoid corrosion 3 ... 48 or according to users requirement For three and single phase meters; (C.T. operated and whole current)Continuous current Max. current for 15 min Number of scanning heads Scanning heads100A 120A According to the number of measuring position Able to detect marks from electromechanical meters and LEDs from electronic metersWave length of LEDs Modulated light bandwidth Scanning head adjustment Type of error display Number of error displays Resolution of the error displays500nm ... 950nm up to 2 kHz In height and depth head by head and in angle all together LED According to the number of measuring position 6 or 8 digits