II.Technical index:
1.AC current source  
  Current range: 6x (0~30A)/phase, accuracy 0.5%.    
  6 phase parallel current output: 180A 
  Phase current working value for allowed long time: 10A 
  Power: 300VA/phase 
  Maximum output power of 6 phases in parallel: 900VA 
  Maximum permitted work time of 6 phases in parallel: 10S 
  Frequency range: 0~1000Hz; accuracy: 0.001Hz 
  Harmonic time: 2~20; phase: 0--360°; accuracy: 0.1° 
2.DC current source 
  Current range: 20A / phase, power: 300VA/phase, accuracy:0.5% 
3.AC voltage source 
  Phase voltage output:6x( 0~125V)/phase, accuracy: 0.5%    
  Line voltage output: 0~250V 
  Phase voltage / Line voltage output power: 70VA / 100VA 
  Frequency range: 0~1000Hz accuracy: 0.001Hz 
  Harmonic time: 2~20; phase: 0--360°; accuracy: 0.1° 
4.DC voltage source 
  Phase voltage output range: 0~±150V  accuracy: 0.5%  
  Line voltage output range: 0~±300V 
  Phase voltage / Line voltage output power: 90VA / 180VA 
5.Switch terminal 
  Switch input terminals: 8 pairs 
  Dead contact: 1-20mA, 24V active output inside the device. 
  Potential flip: 0--6V DC low level 
  15-250V DC high level 
  Switch output terminals: 4 pairs, dead contact, rupturing capacity: 110V/2A, 220V/1A 
6.Time measurement range 
  Range: 1ms-9999s; accuracy: 1ms