18" high voltage chamber history

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  • Log date Comment UITFLOG entry link
  • 06/19/2017 Gun HVC with black R30 insulator installed in UITF 3476228
  • 07/28/2017 Observed significant voltage induced gas desorption duding high voltage conditioning. Insulator puncture at 229 kV 3480185
  • 09/06/2017 Update entry on gun refurbished with white R30 insulator 3483589
  • 09/22/2017 Gun with white R30 insulator started 3485424
  • 10/18/2017 Starting gun with white R30 insulator high voltage processing 3488752
  • 10/20/2017 R30 cable arcs at 164 kV. White insulator leaks 3489049
  • 10/27/2017 18" gun HV chamber white R30 insulator removed from UITF beam line and replaced with 14" gun chamber + black R28 insulator with Gabriel's T-shape electrode shed design 3490109