Russian Geiger Muller Sbm 20m Tube Radiation Detector Military Counter

US $640

  • Saint-Petersburg, Russia, Russian Federation
  • Jun 9th
SUPER SET 7  Professional Camera Size: 45 mm long, 10 mm diameter Measures level of ionizing gamma radiation considering X-ray and objects contaminated with beta particles Parameter and measure unit Standard No less  Nominal value No more Starting voltage, V 280 - 320 Plateau characteristic, V 100 - -   Plateau slope, % B-1 - - 0,10  Range of working voltage, V 350 400 475 Own background, s-1 - - 0,4 Insulation resistance of the electrodes, ? 1x109 - - Limit of measured radiation Rmax/Rmin, at Rmin, ?Rxs-1 Rmax ,?Rxs-1     - 10     - -     0,014 - Sensitivity to gamma radiation from 137Cs (as exposed rate R=4 ?Rxs-1), ?R-1   26,0 28,5 31,0 Amplitude of the voltage pulse, V 50 - -  Increased working temperature 55oC (131 oF) Lower working temperature -40 oC (-40 oF) All tubes are 100% workable. FREE shipping WORLDWIDE  (tracking number is provided). Tubes are stored in boxes, will be shipped with extreme care. Please, feel free if you have any questions.

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