直流电源0 – 20 V, 0 – 5 A (230 V, 50/60 Hz)
直流电源0 – 20 V, 0 – 5 A (115 V, 50/60 Hz)
Experiment: Magnetic field of the Earth (230 V, 50/60 Hz)
Experiment: Magnetic field of the Earth (115 V, 50/60 Hz)