-40%
1 x NEW! SBM-20U Gieger Tube - Sensitive to Beta, Gamma, & X-Rays - USA Stocks
1 x NEW! SBM-20U Gieger Tube - Sensitive to Beta, Gamma, & X-Rays - USA Stocks
1 x NEW! SBM-20U Gieger Tube - Sensitive to Beta, Gamma, & X-Rays - USA Stocks
1 x NEW! SBM-20U Gieger Tube - Sensitive to Beta, Gamma, & X-Rays - USA Stocks

1 x NEW! SBM-20U Gieger Tube - Sensitive to Beta, Gamma, & X-Rays - USA Stocks

$ 6.33

Availability: 100 in stock
  • Modified Item: No
  • Country/Region of Manufacture: Russian Federation
  • Condition: This are new SBM20-U. It is made with one side open (anode) and the other side capped (cathode). The tube may show some tiny dents. These do not effect function. The extended life of this tube is over two hundred years with normal background exposure.
  • Radiation Detector Type: Geiger Counter
  • Brand: Unbranded/Generic
  • Model: SBM-20-U
  • Type: Dosimeters
  • Non-Domestic Product: No
  • All returns accepted: Returns Accepted
  • Refund will be given as: Money Back
  • MPN: Does Not Apply
  • Return shipping will be paid by: Buyer
  • Restocking Fee: No
  • Custom Bundle: No
  • Item must be returned within: 30 Days

    Description

    Russian-Made SBM-20U (СБМ-20U) Geiger Muller Tube
    New. Pre-tested and Guaranteed.
    The SBM-20U tubes are the finest GM tubes available. They were made at the height of the Cold War in preparation for a Nuclear War that never happened. These particular tubes were imported direct from Russia and are being shipped locally from California.
    Each tube has been rigorously checked and tested before shipping and is guaranteed to perform to your highest expectation.
    Here are the General Specs (as translated from the original Russian):
    Geiger Tube Model:
    SBM-20U
    Suggested Anode Resistor
    5M
    Operating Voltage
    360 - 480 volts
    Trigger voltage
    260 - 330 volts
    Plateau 100 volts
    Background Radiation 60 pulses/minute
    Capacitance
    4.2pf
    Life (pulses)
    at least 2*10-10
    ------------------------------------------------------------------
    This auction is for 1 Tube. It is individually cushion-wrapped and shipped domestically with a tracking number.
    Any questions, please let me know, thanks.