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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Category Type Module Target/Number Subjectdown
  753   Tuesday, September 23, 2014, 13:31 Travis CaveSouth Hot-CellStandard OperationTM4UC#10, Ta#44Electrical check

Electrical checks of TM#4 with UC#10 post beam and Ta#44 before beam see attached PDF for details.

Attachment 1: TM4_UC10_postbeam_shc.PDF
TM4_UC10_postbeam_shc.PDF
Attachment 2: TM4_Ta44_elecchk_shc.PDF
TM4_Ta44_elecchk_shc.PDF
  761   Tuesday, October 14, 2014, 11:52 Travis CaveSouth Hot-CellStandard OperationTM1ZrC#6Electrical check

TM#1 with ZrC#6 post beam electrical check see attached pdf for results.

Attachment 1: TM1_ZrC6_postbeam.PDF
TM1_ZrC6_postbeam.PDF
  763   Tuesday, October 14, 2014, 13:31 Travis CaveSouth Hot-CellStandard OperationTM1no targetElectrical check

Electrical check of TM#1 with no target attached at the south hot cell see attached PDF for details.

Attachment 1: TM1_elec_check_no_target.PDF
TM1_elec_check_no_target.PDF
  777   Monday, November 03, 2014, 13:47 Travis CaveSouth Hot-CellStandard OperationTM1ThO#1Electrical check

TM#1 with ThO#1 electrical check see attatched PDF for details.

Attachment 1: TM1_elec_check_ThO1_SHC.PDF
TM1_elec_check_ThO1_SHC.PDF
  794   Wednesday, November 19, 2014, 09:18 Travis CaveSouth Hot-CellStandard OperationTM4UC#11Electrical check

TM#4 with UC#11 electrical check done. See attached PDF for the results.

Attachment 1: TM4_elec_check_UC11_SHC.PDF
TM4_elec_check_UC11_SHC.PDF
  810   Thursday, December 04, 2014, 09:54 Travis CaveSouth Hot-CellStandard OperationTM2no targetElectrical check

Results of electrical check of TM#2 with no source tray and no containment box attached. See PDF for results.

Attachment 1: TM2_elec_check_no_source_traySHC.PDF
TM2_elec_check_no_source_traySHC.PDF
  870   Tuesday, March 24, 2015, 13:57 Travis CaveSouth Hot-CellStandard OperationTM4Ta#45Electrical check

TM#4 electrical checks with and without the target installed, installed target is Ta#45.

Attachment 1: TM4_no_tgt_elec_chk_CS.PDF
TM4_no_tgt_elec_chk_CS.PDF
Attachment 2: TM4_Ta45_elec_chk_SHC.PDF
TM4_Ta45_elec_chk_SHC.PDF
  874   Thursday, March 26, 2015, 09:20 Travis CaveConditioning StationStandard OperationTM4Ta#45Electrical check

Electrical check of TM#4 with Ta#45 at the conditioning station, see attached pdf for details.

Attachment 1: TM4_Ta#45_tgt_elec_chk_CS.PDF
TM4_Ta#45_tgt_elec_chk_CS.PDF
  888   Friday, April 17, 2015, 11:56 Travis CaveSouth Hot-CellStandard OperationTM1UC#12Electrical check

Electrical check of TM#1 with UCx#12 attached. See attached PDF for details.

Attachment 1: TM1_UC#12_tgt_elec_chk_SHC.PDF
TM1_UC#12_tgt_elec_chk_SHC.PDF
  1106   Monday, October 19, 2015, 15:52 Anders MjosSouth Hot-CellStandard OperationTM2SiC#32Electrical and leak check

 An electrical check was completed by Travis C and Anders M. Note ~250 kOhm between Target and 60 kV common. Leak check was done by Dan M and Chad F on HS and Window circuits. No leaks found

Attachment 1: ITW-TM2-SiC#32-HP-FEBIAD_Electrical_Check_SHC_(pre).pdf
ITW-TM2-SiC#32-HP-FEBIAD_Electrical_Check_SHC_(pre).pdf
  538   Tuesday, November 12, 2013, 10:59 Bevan MossSouth Hot-CellStandard OperationTM2 Electrical Test

 Don Jackson and Myself completed started an electrical test on TM2. All lines passed the with OL to ground. When testing in between the lines individually there were several lines that read other than OL. It was decided to abandon the testing as there were too many "failures". The results are attached. The testing will be repeated in the conditioning station with vacuum. It is not expected that this will change anything as during a quick visual inspection it appears the lines are touching. Of note the water block jig was removed this morning by Chad.

Attachment 1: tm2_elec_test.pdf
tm2_elec_test.pdf
  1900   Tuesday, March 26, 2019, 11:17 Travis CaveSouth Hot-CellStandard OperationTM2no targetElectrical Checks of TM#2 during the source tray change.

 The four electrical check done on TM#2 during the source tray change.

Attachment 1: Elecrictal_Check_TM#2_Old_source_Tray_Jan_11_2019.pdf
Elecrictal_Check_TM#2_Old_source_Tray_Jan_11_2019.pdf
Attachment 2: Electrical_Check_TM#2_No_Source_Tray_Feb_25_2019.pdf
Electrical_Check_TM#2_No_Source_Tray_Feb_25_2019.pdf
Attachment 3: Electrical_Check_TM#_New_source_Tray_Mar_22_2019.pdf
Electrical_Check_TM#_New_source_Tray_Mar_22_2019.pdf
Attachment 4: Electrical_Check_TM#2_new_source_tray_Mar_25_2019.pdf
Electrical_Check_TM#2_new_source_tray_Mar_25_2019.pdf
  1360   Friday, September 23, 2016, 08:55 Travis CaveConditioning StationStandard OperationTM4SiC#34Electrical Checks

The bundle of electrical checks, first one is the Iglis that failed, the second is the everything passed at the hot cell and the third is a the conditioning station under vacuum.

Attachment 1: TM4_elechk_SiC34_SHC.PDF
TM4_elechk_SiC34_SHC.PDF TM4_elechk_SiC34_SHC.PDF TM4_elechk_SiC34_SHC.PDF TM4_elechk_SiC34_SHC.PDF TM4_elechk_SiC34_SHC.PDF TM4_elechk_SiC34_SHC.PDF
  1382   Monday, October 24, 2016, 14:56 Travis CaveSouth Hot-CellStandard OperationTM2SiC#35Electrical Checks

Results of the electrical check of TM#2 with no target after the repair and with the SiC#35 mounted on the module.

Attachment 1: TM2_elechk_notgt_SHC_repair.PDF
TM2_elechk_notgt_SHC_repair.PDF
Attachment 2: TM2_elechk_SiC35_SHC.PDF
TM2_elechk_SiC35_SHC.PDF
  123   Friday, June 08, 2012, 15:03 Don JacksonSouth Hot-CellStandard OperationTM1Ta38Electrical Check on new Ta38 at hot cell

Megger checks were exceptionally high (good).  Readings taken less than 2 hours after reading low values from end of run on Nb#6.  Tests on Ta38 will be repeated at conditioning station later.

Attachment 1: Ta38_New_Target.JPG
Ta38_New_Target.JPG
  1517   Monday, May 01, 2017, 13:11 David WangSouth Hot-CellRepairTM3 Electrical Check on TM3 after fibergalss is moved in SHC.

RU( coil 1), F (anode), and 60kv bias(HS, Gasline, and MSP)  are shorted together. Other lines are good.  They are measured between  individual line each other  @500V. The megga showed OL. All of  them to ground are OL @500V as well. EL is grounded during check.

  1597   Tuesday, August 15, 2017, 09:27 Anders MjosSouth Hot-CellStandard OperationTM2SiC#36Electrical Check of target in SHC

Travis Cave wrote:

The electrical check of TM#2 with SiC#36 attached. Post beam at the south hot cell. See attached results allow the before beam electrical check results are posted here as well.

by David and Chad after target removed from module:

Anode to target @500V - 65Kohm
Anode to HS - dead short
Target to HS@500V -62Kohm.

  2354   Tuesday, August 09, 2022, 12:23 Frank SongNorth Hot-CellStandard OperationTM4Ta #64Electrical Check for TM4 with Ta#64 after beam at NHC

 An electrical check made at NHC right after TM4 moving from ITE.

Attachment 1: tm4_with_Ta#64_after_beam_at_NHC.jpg.jpeg
tm4_with_Ta#64_after_beam_at_NHC.jpg.jpeg
  1484   Friday, April 07, 2017, 09:53 Travis CaveConditioning StationMaintenanceTM1no targetElectrical Check and TM1 other checks

Results of an electrical check on TM#1 with no target attached to it.

 I use this e-log entry for TM1 notes as well  1. TM1 IG1 is a dual filament gauge . Its filament is very close to grid now. It shorted one time during the pumping down. It still works fine so far . But, we may need to change it if we use this module in TS again.

TCS 1G1 and 1G1S are pumped to 5Xe-6 torr. IG2 stayed at 2.5XE-5 torr. Since no target is installed on module , I capped top of HS water line. Maybe, the small o-ring seal in cap is too old, I found a big leak on this seal when i use LD check it. That is the reason IG2 stayed too high. Still, Leak check and helium presuure test are fulfilled on TM1. Leak detector BLR 5XE-7 atm.cc/sec, BP 0.0XE-4 torr9.  Back up pressure is 51 mtorr which is high because of leak on HS line cap seal so LD BLR is high. At this level, Ta+-, Tube +-, MSP,  EE are good.  Other air to vacuum seal are good as well at this leak rate.  I will check and change small o-ring seal in HS cap. The TM1 is functional basically.

Attachment 1: TM1_elec_chk_no_tgt.PDF
TM1_elec_chk_no_tgt.PDF
  122   Friday, June 08, 2012, 15:00 Don JacksonSouth Hot-CellStandard OperationTM1Nb#6Electrical Check Nb#6 at end of run

Megger check values were low but still within operational range.

Attachment 1: Nb#6_End_of_Run.JPG
Nb#6_End_of_Run.JPG
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