Sbm-20 Lot Of 20 Geiger Counter Tube New! For Dosimeter Radiometer An. Sts-5

US $230

  • Europe, Ukraine
  • Jun 22nd
SBM-20 lot of 20 ,  Geiger counter, Beta & Gamma Detectors. For any Dossimeter, radiometer. NEW (not used). Tested For sale is lot of 20 new geigers SBM-20 . Tested. With original connectors. Same as on picture. Not used. I shipp with tracking number, by avia shipping. 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)                                            9 Gas Filling                    Ne + Br2 + Ar Cathode Material        Stainless Steel, 50 mkm Maximum Length        101 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) I ship with a tracking number via avia. If you have any gustions, please contact me.

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