New Soviet FEU-39A photomultiplier tubes. The FEU-39A photomultiplier can be operated at ambient temperatures from -60 to +50 °C. The design is glass, with a base (РШ32). The number of amplification cascades is 11.
New Soviet FEU-39A photomultiplier tubes. The FEU-39A photomultiplier can be operated at ambient temperatures from -60 to +50 °C. The design is glass, with a base (РШ32). The number of amplification cascades is 11.