Frieseke & Hoepfner Portable German Geiger Counter FH40Tv
This Frieseke & Hoepfner Portable German Geiger Counter FH40Tv (Werk 40590) is in very good working condition. It comes with its original olive green transit case, which is slightly scuffed from use and age. It has an in-built lamp, for reading the meter in subdued lighting, and a headphone connection.
See it working in the following YouTube video: https://youtu.be/VDj0MPZZu3c
Turning a single knob changes the circuitry, measuring scale range, and GM tube shielding, making this instrument very easy to use.
- Zero adjust control- lower knob.
- Leather Case:
- Measures β (Beta) and γ (Gamma) radiation.
- γ measuring ranges: 0 to 1 r / h, 0 to 25 mr / h and 0 to 0.5 mr / h
- Beta and gamma detection: 0 to 10,000 and 0 to 320 pulses / min
- Headphone connection for acoustic control
- Operation with 6 volt battery
- Operating temperature: -40 ° C / + 50 ° C
- Storage temperature: -40 ° C / + 50 ° C
For more vintage testing and measuring equipment, please click on the following link.