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Show unit UA0250


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Unit specification:  
Database number: 6
Detector: Hamamatsu Vacuum Photo Tetrode UA0250
Submodule: unassigned
Crystal: 3574
Barcode: 1309000104
   
Measured data:  
Yield (cosmics) for VPTT: -1 at -1 V and -1 °C
Length: 75 mm
   
Notes: VPTT fallen of the crystal. Photos of new glueing added.


Detector

Detector specification:  
Serial number: UA0250
Type: Hamamatsu Vacuum Photo Tetrode
Preamp: 216
   
Measured data:  
DC gain: 47.68
Anode dark current: 0.002336 nA
Yield: 0.8214
Notes: yield recorded w/o stable reference
relative value to all 16 units in the corresponding subunit only


Glueing photos

Creation time Notes
25. Jun 2014 00:39:42 CEST
21. Jan 2015 13:24:40 CET Coupling between crystal and APDs after 7 months. Picture taken without alignment-tool.
12. Jan 2016 14:02:38 CET VPTT fallen of the crystal. New gluing with other cleaning (DowCorning OS-20 + Kimtech Science) Photo taken right after glueing.
12. Jan 2016 14:04:32 CET VPTT fallen of the crystal. New gluing with other cleaning (DowCorning OS-20 + Kimtech Science) Photo taken 12 hrs after glueing. (steel weight used)
12. Jan 2016 14:05:16 CET VPTT fallen of the crystal. New gluing with other cleaning (DowCorning OS-20 + Kimtech Science) Photo taken two days after glueing. (steel weight used)


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Teststand results

Creation time Detector Notes
No teststand results available!

 
 

Version history

Time Author Change comment
14. Sep 2018 14:44:44 CEST Tobias Unassigned from submodule because submodule was built for ELSA beamtime 2014 and has since been disassembled.
12. Jan 2016 14:05:46 CET cschnier VPTT fallen of the crystal. Photos of new glueing added.
21. Jan 2015 13:39:55 CET cschnier added picture
23. Jul 2014 11:33:08 CEST thomas Assigned to alveole by script
17. Jun 2014 13:27:26 CEST cschnier Auto-created by unit assembly script