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G21689 - CTC-5/STS-5 Sensitive Beta Gamma Geiger Tube
This Geiger Mueller tube Part #CTC-5/STS-5 was made by the Soviets in the Cold War. It is new old stock and is similar to the SBM-20 and almost as sensitive. Operates on 280 to 440V. Use with a 4.7 meg to 10 megohm resistor. Size about 4.40" long X 0.40". Metal outer shell. Comes in factory box.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov - Why is this here?