Russian military NOS Geiger Tube SI-3BG for ionizing radiation detection. Can detect beta and gamma radiation. The tube is intended for very high radiation levels, i.e. it has week reaction to natural background. SI3BG tube is suitable for testing powerful radiation sources or for nuclear disaster condition.
Dimension of the tube is 55mm app. x 8mm app.
Typical GM Tube connection example schematic:
- Ionizing Radiation Detection
- Dosimeter / Geiger Counter