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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Category Type Module Target/Number Subjectdown
  2721   Tuesday, November 26, 2024, 13:03 Frank SongSouth Hot-CellStandard OperationTM3UCx#47electrical check/leak check

An electrical check and leak check had been done after new target UCx47 was installed on TM3 in SHC. see attachment pls.

Attachment 1: TM3_with_new_target_UCx#47_electrical_check_on_SHC_2024-11-26.pdf
TM3_with_new_target_UCx#47_electrical_check_on_SHC_2024-11-26.pdf
  2498   Tuesday, November 07, 2023, 13:42 Frank SongSouth Hot-CellStandard OperationTM4Ta#65electrical check with the spent target

TM4 with spent target Ta#65 was electrical checked right after being moved to SHC. 

Attachment 1: TM4_with_Spent_Target_Ta#65_electrical_check_on_SHC_2023-11-07.pdf
TM4_with_Spent_Target_Ta#65_electrical_check_on_SHC_2023-11-07.pdf
  2711   Tuesday, November 05, 2024, 11:04 Frank SongSouth Hot-CellStandard Operation TiC#9 electrical check with the spent target

 David made electrical check right after TM4 is moved from ITW to SHC. see attachment pls.

Attachment 1: Electric_Check_of_TM4_with_spent_TiC#9.pdf
Electric_Check_of_TM4_with_spent_TiC#9.pdf
  1255   Tuesday, June 07, 2016, 11:42 David WangSouth Hot-CellStandard OperationTM4Ta#47electrical check on TM4 with old Ta target at SHC.

I did an electrical check on TM4 with the old target still installed. The number is a little bit low on 500V mega check between chassis and 60KVbias which is 146Mohm. Others are good.    See attachment

I wrote all OL to 0  in attachment 1 ohmmeter check. Please See attachment 2 for correction.

Attachment 1: electrical_check_2016-06-07._TM4_with_old_Lp_Ta_target..pdf
electrical_check_2016-06-07._TM4_with_old_Lp_Ta_target..pdf
Attachment 2: electrical_check_2016-06-07._TM4_with_old_Lp_Ta_target..pdf
electrical_check_2016-06-07._TM4_with_old_Lp_Ta_target..pdf
  895   Wednesday, April 22, 2015, 11:05 David WangConditioning StationStandard OperationTM1 electrical check on TM1 at CS under vacuum

I did an electrical check on TM1 at CS. The resistance check:A-B 3.918m ohm, A-C 5.905m ohm,A-D 4.070m ohm,B-C5.462m ohm,B-D3.633m ohm. They are very close to the check we did in SHC. The only unusual thing I found during the check is the ohmmeter reading between A and 60 KV common (6.2K )and the Megga reading between them  at 250 V which is 0. I repeated 4 times and always got the same readings. However, after so many times check, the Megga reading between A and 60KV   suddenly went back to normal(300 M at 250V) at the final check.  And,it stays at 300M now.  All other measurements are same as we did at SHC before.         

  2596   Wednesday, May 22, 2024, 12:43 David WangSouth Hot-CellStandard OperationTM4UCx#45electrical check and leak check were done on TM4 UCx#45 target at SHC.

electrical check and leak check were done on TM4 UCx#45 target at SHC.  everything is ok. See attachment

helium pressure test on TM4 HS line at TCS is done.   No leak.

Attachment 1: Scanned_from_a_Xerox_Multifunction_Printer.pdf
Scanned_from_a_Xerox_Multifunction_Printer.pdf
  2457   Tuesday, June 13, 2023, 11:49 Frank SongNorth Hot-CellStandard OperationTM4SiC#45electrical check and leak check

 TM4 with new target SiC#45 installed has been leak checked and electrical checked on top of NHC.

Attachment 1: TM4_with_SiC#45_leak&electric_check_on_top_of_NHC.png
TM4_with_SiC#45_leak&electric_check_on_top_of_NHC.png
  2165   Wednesday, November 18, 2020, 15:28 David WangSouth Hot-CellStandard OperationTM2Nb#6electrical check and HS leak check.

Everything looks good. A still short to P before target installation. We will float P,Q as before on module top.

Attachment 1: Screenshot_2020-11-18_Mail_-_David_Wang_-_Outlook.png
Screenshot_2020-11-18_Mail_-_David_Wang_-_Outlook.png
  2362   Tuesday, September 06, 2022, 14:05 Frank SongNorth Hot-CellStandard OperationTM2UCx#38electrical check after disconnection

 An electrical was done on the NHC for TM2 with spent Target UCx#38 on

Attachment 1: TM2_electrical_check_on_NHC_with_spent_UCx38_on.png
TM2_electrical_check_on_NHC_with_spent_UCx38_on.png
  2632   Thursday, July 04, 2024, 13:23 David WangSouth Hot-CellStandard OperationTM4UCx#45electrical check on TM4 UCx#45 target at SHC after operation.

electrical check  on TM4 UCx#45 target at SHC after operation is done.   see attachment.

Attachment 1: Tm4_UCx_46_at_SHC_after_operatiom.pdf
Tm4_UCx_46_at_SHC_after_operatiom.pdf
  2321   Wednesday, May 18, 2022, 13:52 Frank SongSouth Hot-CellStandard OperationTM4UCx#37electrical check

 The TM4 with installed target #UCx37 had been electric checked at SHC. PICs attached.

Attachment 1: 1.jpg
1.jpg
Attachment 2: 2.jpg
2.jpg
Attachment 3: 3.jpg
3.jpg
  2484   Tuesday, August 29, 2023, 10:45 Frank SongNorth Hot-CellStandard OperationTM4UCx#42electrical check

  TM4 with spent target UCx#42 has been electric checked at NHCpost right after transferred from ITE.

Attachment 1: TM4_with_UCx42_electric_check_with_spent_target_at_NHCPost__2023-08-29.pdf
TM4_with_UCx42_electric_check_with_spent_target_at_NHCPost__2023-08-29.pdf
  2264   Wednesday, November 10, 2021, 08:29 Frank SongSouth Hot-CellStandard OperationTM2UC#36electrical check

 An electrical check of TM2 with target UC#36 and no external connections was finished at SHC. 

Attachment 1: IMG_4322.JPG
IMG_4322.JPG
  2331   Monday, June 20, 2022, 18:03 Frank SongSouth Hot-CellStandard OperationTM2Sic#43electrical check

 TM2 with new target SiC#43 was electrical checked at SHC. please see attachment.

Attachment 1: TM2_with_SiC43.jpg
TM2_with_SiC43.jpg
  2335   Tuesday, June 21, 2022, 18:43 Frank SongNorth Hot-CellStandard OperationTM4UCx#37electrical check

 A p2n target in TM4 was electrical measured on NHC. see attachment pls.

Attachment 1: p2n_ucx37_electrical_check.jpg
p2n_ucx37_electrical_check.jpg
  2338   Thursday, June 23, 2022, 07:11 Frank SongNorth Hot-CellStandard OperationTM4Ta#64electrical check

 New Target Ta#64 was installed on TM4. Electrical measurement result is good. c/w attachment.

Attachment 1: Ta#64.jpg
Ta#64.jpg
  2347   Tuesday, July 19, 2022, 11:53 Frank SongNorth Hot-CellStandard OperationTM2SiC#43 Febiadelectrical check

 A electrical check was done at NHC, see the pic attached with please.

Attachment 1: e_check_for_TM2_with_SiC43_Febiad.jpg
e_check_for_TM2_with_SiC43_Febiad.jpg
  2348   Thursday, July 21, 2022, 10:24 Frank SongNorth Hot-CellStandard OperationTM2UCx#38electrical check

 A electrical check was done for TM2 with UCx#38

Attachment 1: TM2_with_UCx38_echeck_on_NHC.jpg
TM2_with_UCx38_echeck_on_NHC.jpg
  2363   Thursday, September 08, 2022, 07:20 Frank SongNorth Hot-CellStandard OperationTM2UCx#39electrical check

 An electrical check was done on NHC yesterday.

Attachment 1: TM2_with_UCx#39_E_Check.png
TM2_with_UCx#39_E_Check.png
  2373   Tuesday, October 04, 2022, 07:19 Frank SongNorth Hot-CellStandard OperationTM4C#4electrical check

 an electrical was done for TM4 with target C#4 installed on NHC.

Attachment 1: tm4_with_C#4_installed.png
tm4_with_C#4_installed.png
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