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Home Book Chapters Chapter 3 - Atoms and Radioactvity Connecting to Surplus Scionix Miniature Scintillation Probes
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Connecting to Surplus Scionix Miniature Scintillation Probes

Scionix miniature photomultiplier scintillation probe David Prutchi PhD www.diyPhysics.com

Lemo connector on Scionix miniature photomultiplier scintillation probe David Prutchi PhD www.diyPhysics.com

Scionix in The Netherlands has taken advantage of the recent development of miniature mesh-type dynode photomultiplier tubes to construct small-diameter scintillation probes.  Scionix’s miniature probes incorporate one of those PMTs, a NaI(Tl) scintillation crystal, and a built-in dynode voltage divider.  Connection to the probe is made through a miniature high-voltage locking coaxial connector.  Finding a mating connector is the main problem faced by enthusiasts who find these probes in the surplus market.

Connector cable for miniature photomultiplier/scintillation probe David Prutchi Ph.D. www.diyPhysics.com

After much searching, I found out that the mating connector is a Lemo FFA.00.250.NTAC29.  I also found that Hovac Inc. makes a patch cable with this Lemo connector on one end and a BNC on the other.  The Hovac part number is 69200197 (Cable CCT 150-BL RG 316/U Teflon 1,50 BNC / Lemo FFA.00.250.NTAC29 ).  I bought two cables from them.  They are made on a pre-order basis, so it took quite a while for them to arrive.

Connector cable for miniature photomultiplier/scintillation probe David Prutchi Ph.D. www.diyPhysics.com

Connector cable for miniature photomultiplier/scintillation probe David Prutchi Ph.D. www.diyPhysics.com

 

Please visit www.diyPhysics.com and www.prutchi.com for other cutting-edge d.i.y. projects, and remember to check out our new d.i.y. Quantum Physics book:

 
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2 Comments  comments 

2 Responses

  1. Justin

    Great site! I will be looking into the book soon! As far as finding surplus PMTs where do you suggest I look?