Meter Test Equipment 
Three Phase Energy Meter Test Bench
Auto-Calibration System

Accuracy class: 0.05/0.1/0.2 class
Standard power testing equipment:
          HC 3100 three phase multi-functions precision power testing instrument
          Accuracy class: 0.05 (0.02) /0.05/0.1 class
Output voltage: 3×57.7/100/220/380VY/△; range: 0-120%
        Fine adjustment: 0.01%
Output current: 3×0.1-100A; (can choose 200A)
        Fine adjustment: 0.0001A (min)
Range of phase: 0-360° fine adjustment: 0.1°
Frequency: 45Hz-65Hz; fine adjustment: 0.01Hz
Waveform distortion coefficient: voltage/ current < 0.5%
Output stability of voltage, current, power: <0.05% (180S)
Output capacity (each phase): current: 650VA (120A), voltage: 300VA (16 meters)
Load: capacitance, resistance, inductance (≤4μF)
Harmonic wave output: 2-21 sub-harmonic wave     contents≤40%
                   3, 5, 7 sub-harmonic wave coupling, total content≤40%
                   Phase angle control (odd sub-harmonic wave)
                   Wave group control (sub-harmonic wave)
Starting current output: 1mA (min), accuracy: 5%, starting power: accuracy 10%
Numbers of calibrated energy meter: 16 (6/8/12/16/20/24/32/40 on requested)
Testing function: Basic error test; no load test; starting test; calibration tolerance test;
               harmonic test
Input power: 3×220V/380V (Y)10%, 50Hz; max. power consumption: 1800VA (16 meters)
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