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He-3 Neutron Detector - Helium-3 - Neutron Probe -Tested - & Works Great, US $425 – Picture 0
He-3 Neutron Detector - Helium-3 - Neutron Probe -Tested - & Works Great, US $425 – Picture 0

He-3 Neutron Detector - Helium-3 - Neutron Probe -tested - & Works Great

US $425

  • Sturgeon, Missouri, United States
  • May 27th
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 He-3 Neutron Detector     New Old Stock   Dimensions:   Total length: ~ 17.5"   Diameter: ~ 1.5"                            Length of active area: ~ 12"   Body:  Stainless Steel      Very sensitive detectors for their size. You won't find more sensitive neutron detectors than this one in this price range. NOTE:  Video link for demonstration of detector with HDPE moderator. https://www.youtube.com/watch?v=zOSQQ_Zgv9c  My small neutron source -- (5 mCi Po210/Be) had a very good response (tested at +1500 v) -- See images 7-8 And once tuned with the single channel window,  no significant response was seen to gamma when the neutron source was out of moderator --See images 5-7 Tested with a NIM BIN setup with Ortec 4890 Preamp/Amp and Ortec 9349-2 Ratemeter.  Last two Images are neutron spectra captured with this detector and a  Norland-Viking multi-channel analyzer and also gamma spectra of 1 uCi  Cs-137 and Co-60 sources captured with a Ludlum 243 NaI scintillation  detector. The two gamma sources were used to energy calibrate the MCA  prior to neutron spectrum capture. Connector:  BNC        He3 tube:  Russian made СHM18 Operating Voltage rating ~1500V (positive voltage)  BNC connector   No other instruments, cables or other items are part of this listing--only the detector. Pictures may be of identical model detector.   The items are guaranteed with a 14 day return policy--buyer responsible for shipping costs.        International shipping will be at actual cost--Any import costs or issue are the responsibility of the buyer.    https://youtu.be/zOSQQ_Zgv9c

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