Teltron Triode D

Highly evacuated electron tube with thermionic cathode, control grid and anode for quantitative investigation of controllable high vacuum tubes, plotting the characteristics of a triode, demonstrating the negative polarity of the electron charge, studying the practical applications of a triode as an amplifier and generating undamped oscillations in LC circuits.
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