Service
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
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