For recording the Franck–Hertz curve with up to 5 excitation collisions. Direct observation of visible light emission during de-excitation of excited neon atoms.
| Voltage U1 | 99.9 V |
| Voltage U2 | 4.0 V |
| Voltage U3 | 5.0 V |
| Heater voltage UH | 4.3 V |
| Max. output current | 10 µA |
All units adapted for 110V/60Hz. Contact us for volume pricing and grant assistance.