G26227 ^+ SBM-20M Special Geiger Mueller Tube

Special thin metal outer case Geiger Mueller Tube is designed for detecting Beta and Gamma radiation. The size is 10mm dia. x 48mm long. This tube is sensitive and produces about 9 counts per minute from background radiation. Operates from 350 - 475 Volts. Brand new - Made in Russia in 2013. Can be operated by our C8600ASB Geiger Counter Board (not included).