Three assemblies of gas proportional counters

Read more about Gas Proportional Counting Method and samples processing

System of gas proportional counter L1. Counter with anticoincidence shield is placed in material (lead and iron) shield. On the left - vacuum line for filling Geiger-Müller counters by Ar+C₂H₅OH gas mixture

L3 and L4 gas proportional counters system with anticincidence shields placed in lead and iron shields

L1 counter system and system of high voltage supply and pulses registration from all counters