Large Rca 6217 Gamma Radiation Scintillator Pmt Detector Geiger Counter Tube

US $170

  • Vienna, Virginia, United States
  • Jan 30th
 This is a very nice photomultiplier tube that will make a nice scintillation detector for many common Ludlum geiger counters. It needs 660 to 2150V; best at 800v to1800v to work. You can make a voltage divider to use it with most common geiger counters using several 10 meg ohm 1/4W resistors and some ballast capacitors for the last three stages. Google: Paint Can Scintillator to set this tube up as an impressively sensitive yet inexpensive to build probe for most common geiger counters.  It is more sensitive than many thousand plus dollar probes too.  This item is very hard to find. 
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
Brand RCA
Type Photomultiplier tube
Model 6217PMT tube
Country/Region of Manufacture United States

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