Geiger-Muller Tube SBM-20 (New Old Stock)Sold By Granz Scientific
The SBM-20 is a reliable compact Geiger-Muller tube produced in the USSR in large quantities in decades past. It gives about 10-30 CPM (counts per minute) background radiation in most environments....Read More…
The SBM-20 is a reliable compact Geiger-Muller tube produced in the USSR in large quantities in decades past. It gives about 10-30 CPM (counts per minute) background radiation in most environments. It replaces for the earlier STS-5 tube, with improved performance and durability.
The tube will come padded but without a box. Each tube is tested and is guaranteed to be fully working. Ships from the east coast US by first class postal service.
Datasheets in English and Russian are readily available online.
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