Evacuated electron tube with hot thermionic cathode made of tungsten wire and a cylindrical anode for verification of the Edison effect, demonstration of Richardson's equation and recording the current-voltage characteristic of a vacuum diode. Mounted on connector base with safety sockets.
Cathode surface: 32 mm≤
Max. anode voltage: 400 V
Heating voltage: 1.5 - 5.9 V
Heating current: 2 - 5 A
Dimensions of the tube: approx. 120x45 mm≤
Dimensions: approx. 155x100x160 mm≥
Weight: approx. 440 g