Sbm-21 Tiny Geiger Counter Tube For Beta, Gamma Radiacmeter (an. Sbm10 Geiger)

US $190

  • Saint-Petersburg, RU, Russian Federation
  • Jun 10th
Lot of 1 ps.  Counter tube SBM-21 new, never used (see picture).   Description:  SBM-21 Geiger counter tube used in portable and individual radiacmeters.  It detects the emission of nuclear radiation —  beta particles, and gamma rays. Analogues: SBM-10.   Tech. spec.:     ·         Radiation determine:     beta soft/hard; gamma ·         Voltage of start of counting:    260V - 320V; ·         Operating voltage (recommended):    380 - 420V; ·         Length of flat part of counting curve (plateau):      100 V ·         Slope of the counting data:      < 0.15%/V; ·         Own background:      < 0.2 imp/s; ·         Max. counting range:      650 imp/s; ·         Sensetivity:      6.5 - 9.5 imp/uR  standard 137Cs, p = 10 uR/s; ·         Working temperature range:    -50…+60 C ·         Weight:    0,8g. ·         Dimensions:    counter length 21mm, diameter 6mm                           All counter tubes tested before shipping. Worldwide shipping via Airmail with tracking. Carefully package.  Have any questions please contact me. See my other nuclear lab lots ;)

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