Highly evacuated electron tube with thermionic cathode and anode for investigating the thermoelectric effect (Edison effect) and measuring the emission current as a function of the heating power applied to the cathode. Also for plotting diode characteristics and for demonstrating the rectifying effect of a diode.
Max. heater voltage: 7.5 V AC/DC
Max. Anode voltage: 500 V
Anode current: approx. 2 mA at 200 V Anode voltage
Glass bulb: approx. 130 mm dia.
Total length: approx. 260 mm
U19100 Tube Holder D
U138101 Set of Leads for Electron Tube Experiments, 75 cm
U33000-230 DC Power Supply, 0 – 500 V (230 V, 50/60 Hz)
U33000-115 DC Power Supply, 0 – 500 V (115 V, 50/60 Hz)