Re: [GeigerCounterEnthusiasts] Russian neutron detectors

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    • Happynewgeiger
      Feb 29, 2012
      Yes
      Neutron counter
      Number
      points
      Type of device Specifications Nome.operating range of voltages, 
      in
      Tension began Account (zazh. crowns. Level) 
      in
      Own background,
      with -1
      less than
      The background corona discharge current, 
      mA 
      max
      Overall dimensions, 
      mm
      Weight,
      g
      A. SNM 11 ODO.339.070TU 1500-3000 600-700 0.017 5.27 Ø18.5 * 336 50.0
      Two. SNM 12 ODO.339.070TU 500-700 at least 400 0.008 11.0 Ø8.5 * 215 2.16
      Three. SNM 13 ODO.339.070TU 450-600 at least 450 8.10 -5 5.5 Ø8.5 * 85 5.11
      4. SNM 14 ODO.339.070TU 450-600 600-700 0.017 5.27 Ø18.5 * 153 24.0
      Five. SNM 16 ODO.339.071TU 2000-2800 not less than 2000 0.083 25.0 Ø18.5 * 158 30.0
      6. SNM 17 ODO.339.071TU 2000-2800 not less than 2000 0.83 25.0 Ø18.5 * 251 40.0
      7. SNM 18.01 ODO.339.546TU 1700-3000 1450-1650 0.83 25.0 Ø32.0 * 320 180.0
      Eight. SNM 32 ODO.339.281TU 1500-3000 600-700 0.017 25.0 Ø18.5 * 323 42.0
      9. SNM 42 ODO.339.281TU 1500-3000 600-700 0.017 25.0 Ø18.5 * 153 25.0
      10. SR 19N ODO.339.142TU 2000-2800 600-1750 0.1 15.0 Ø33.3 * 218 130.0
      11. SNM 18 ODO.339.072TU 1275-1500 --- 0.05 --- Ø32.0 * 320 180.0

      PROPORTIONAL COUNTERS AND CROWN OF NEUTRONS

      Crown counters operate in the mode of a stable corona discharge application which allows you to: 
      - get the counting plateau characteristics in the length of several hundred volts 
      - to obtain the amplitude of the signal to hundreds of millivolts; 
      - to operate the counters on the background of gamma radiation up to 1000 rengs per hour.


      Technical characteristics of neutron detectors with B-10
      Type of detector Diameter Length Voltage 
      ignition of corona 
      discharge in
      Temperature 
      range, 
      ° C
      Operating 
      voltage 
      in
      The efficiency 
      of thermal 
      neutrons, 
      %
      (Mm) (In.) (Mm) (In.)
      SNM 9 18 0.71 133 5.24 700 0 - 50 1300 -
      SNM 11 18 0.71 335 13.2 700 -50 - 150 1600 15
      SNM 12 8 0.31 215 8.46 450 -50 - 100 500 15
      SNM 13 8 0.31 85 3.37 450 -50 - 100 500 15
      SNM 14 18 0.71 153 6.02 700 -50 - 150 1600 15

      ----- Original Message -----
      Sent: Wednesday, February 29, 2012 5:07 AM
      Subject: [GeigerCounterEnthusiasts] Russian neutron detectors

       

      Hi all,
       
      I found these (400278432826) on e-pay. Does anyone know about these and if they are really neutron detectors?
       
      Thanks again!
       
      Best,
       
      Joe