Franck-Hertz Hg-tube

Function and Application

The Hg tube on the plate is used for recording the Franck–Hertz curve. It is a replaceable high-vacuum tube filled with mercury, which evaporates when the tube is heated in a heating oven.

Benefits

• Plane-parallel electrode system to avoid field distortions
• Indirectly heated oxide cathode with long service life
• Easy connection via a multi-connector for fast experimental setup
• Simple automated experiment execution using the power supply unit (09106-99) and software
• Clear visualization of the setup via the circuit diagram printed on the housing

Technical Specification

• Heater: 0–7 V, max. 150 mA
• Grid voltage: 0–60 V
• Retarding voltage: 0–3 V
• Operating temperature: (175 ± 10) °C
• Tube dimensions (mm): l = 130, d = 28