Proportional Counter Tubes
The neutron sensitivity of these proportional counters is achieved by filling the tube with the gas boron-tri-fluorid, made of highly enriched Boron-10.
• Detection of thermal neutrons
• High sensitivity due to filling with enriched BF3 gas
• Proven construction
• 1” (25.4 mm) diameter
• Large measuring range
• Output signal: charge pulses
• Very low gamma sensitivity
The neutron sensitivity of these proportional counters is achieved by filling the tube with the gas boron-tri-fluorid, made of highly enriched Boron-10. Thermal neutrons react with the isotope Boron-10 emitting alpha particles, which produce ionization in the gas filling of the detector (electrons and gas ions). In the electrical field between the electrodes these charged particles will be accelerated and secondary ionization happens. This so called “gas amplification” multiplies proportionally the amount of charge generated in the tube.
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