Sbm-20-1 Geiger Counter Tube New! For Dosimeter, Radiometer An. Sts-5 Tested

US $820

  • Europe, Ukraine
  • Jun 14th
SBM-20-1 ,  Geiger counter, Beta & Gamma Detectors. For any Dosimeter, radiometer. NEW (not used), but from an old stock. Tested For sale is lot of 1 new Geiger SBM-20-1 . Tested. With short original  Same as on picture. Not used. My items are always packed carefully. Technical characteristics:    Minimum Anode Resistor                   1.0 (MOhm) Recommended Anode Resistor           5.1(MOhm) Recommended Operating Voltage     400V Operating Voltage Range                   350 – 475V Initial voltage                                       260 – 320V Plateau length                                      at least 100 V Maximum Plateau Slope (%/100 volts)    10 Minimum Dead Time (at U=400V, micro sec)    190 Working range (mkR/s)                      0.004 - 40 Working range (mR/h)                        0.014 - 144 Gamma Sensitivity Ra226 (cps/mR/hr)    29 Gamma Sensitivity Co60 (cps/mR/hr)      22 Inherent counter background (cps)          1 Tube Capacitance (pf)                                4.2 Life (pulses)    at least                                 2*1010 Weight (grams)                                            7 Gas Filling                    Ne + Br2 + Ar Cathode Material        Stainless Steel, 50 mkm Maximum Length        90 mm Effective Length           83.5 mm Maximum Diameter    11 mm Effective Diameter       10 mm Connector    Pin Operating Temperature Range  from -60 to +70 C Areal Density               40(mg/cm2)    Thickness                      0.05 (mm) by air shipping Please mind that the shipping can take up to 24 days (USUALLY it takes 9-14 days). Please mind that shipping to Italy and France may take longer. I ship with a tracking number bu air mail. If you have any questions, please contact me.

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