Electron tube filled with low pressure helium gas, with thermionic cathode, control grid, and anode for quantitative investigations of the typical properties of a gas-filled triode, recording the IA - UA characteristics of a thyratron, observing independent and dependent discharges as well as discontinuous energy release of He atoms during inelastic collisions with free electrons.
Max. heater voltage: 7.5 V AC/DC
Max. anode voltage: 500 V
Anode current: approx. 10 mA at 200 V anode voltage
Glass bulb: approx. 130 mm dia.
Total length: approx. 250 mm