1. working power: 50Hz, AC380V±38V

2. Size: 1600*700*1070mm

3. Power supply: A. three phase four wire 380V ground electrode

B. alternating voltage 3V,6V,9V,18V,double 9V, 1.5A

C. dc stabilized voltage 0V~30V continuously adjustable, 1.5A 0.5A

D. dc stabilized voltage 5V, 0.5A

E. Single-phase ac electric supply output, function signal generator

4. signal generator: waveform: sine wave, triangular wave, square wave

5. frequency range: 5Hz-550KHz

6. Output attenuation: sine wave: 0dB, 20dB, 40dB, Continuous adjustable amplitude

7. Digital frequency meter: measurement range: 1Hz-8MHz, six LED digital display, automatic gear shifting, sensitivity 80Mv

8. Single-pulse signal source: positive and negative pulse TTL voltage output

9. sound expander: Vi≥10mV, P≥0.5W

10. Special experimental circuit board: contact resistance≤0.02Ω, withstand voltage≥2500V, insulation resistance≥50 megohm , Insert & Draw Time≥10000

Experimental capability:

1. test of electric potential and voltage

2. verification of Kirchhoff's laws

3. verification of Thevenin theorem

4. verification of norton theorem

5. superposition law

6.test of Filament volt-ampere characteristic

7. syntonic circuit

8.test of VCCS

9.test of VCVS

10.RL series circuit

11.RC series circuit

12.RCL parallel circuits

……