You are bidding on 1 piece of SBM-20 SBM20 ???-20 ???20 Geiger-Muller radiation counter, NOS "new old stock" condition without a box (tube taken from big 100pcs factory pack). The item is in excellent working and cosmetic condition. Russian SBM-20 geiger mueller counter is designed to detect betta and gamma rays.
Up for sale used in very good condition BLBDB2-01i1 geiger counter block consisting of 4 SBM-20 geiger counters. General Specs for SBM-20 counters. Minimum Anode Resistor 1.0 (MOhm) Recommended Anode Resistor 5.1(MOhm) Recommended Operating Voltage &nbs
Military SI21G Gamma GM Detector (TESTED) Made in USSR 1985 Lot of 1 piece. The item will be carefully packed and shipped to confirmed on eBay address from UKRAINE by International Air Mail (have tracking number).
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