Mst-17 Geiger Counter Tube With Mica End-face Alpha Beta Gamma Detector

US $700

  • Saint-Petersburg, Russian Federation
  • Jun 20th
Lot of 1 ps. new, never used Counter tube MST-17 with metal cup in original box with manual (see picture*).   * - Absorber Set and Isotope Tray not include, it is my other auction.  - eBay item number 261512758070 It`s Russian device from old laboratory stock, new. Description:  MST-17 Geiger counter tube with thin mica window used in high-sensitivity radiacmeter.  It detects the emission of nuclear radiation — alpha particles, beta particles, and gamma rays. Analogues: SI-3B - eBay item number 261597739624   Tech. spec.:     ·         Radiation determine:   alpha*; beta (> 0.16MeV); gamma soft/hard *- the distance between source and mica window must be 25 mm or less (for alpha radiation only). ·         Voltage of start of counting: < 1600V ; ·         Operating voltage (recommended): 1620 - 1740V; ·         Length of flat part of counting curve (plateau):  150 V ·         Slope of the counting curve:   < 0.05%; ·         Own background:   < 0.41 counts/s; ·         Maximum radiation: 10,000 counts/min ·         Load resistance: 7-10  MOhm ·         Allowable stray input capacitance: < 10 pF ·         Working temperature range: -30…+50 C ·         Anode material: Platinum ·         Mica window thickness: < 5 mg/cm2   ·         Weight: ~20g. ·         Dimensions: counter length 100mm, diameter 40mm                       mica window diameter 20 mm.     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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