| ID |
Date |
Author |
Category |
Type |
Module |
Target/Number |
Subject |
|
404
|
Monday, July 22, 2013, 15:52 |
Bevan Moss | Conditioning Station | Standard Operation | TM3 | No Source Tray | HV testing update |
I have fallen behind on the HV testing that has been completed on TM3. Data can be found on docushare in the TM3 Rev 3 folder files are too large to attach. From the last elog entry the following tests have been completed
July 8 2013 - Long HV conditioning 50kV achieved before sparking caused PS to trip. Was unable to recover to the same voltage
July 9 2013 - Attempted to repeat previous test lost PS at 45kV. Voltage continued to degrade during the day.
July 10 2013 - Max voltage achieve 42.5kV discussed with Friedhelm and decided to run the EINZEL lens at 50% of the BIAS in case this is the source of the sparking
July 10 2013 - Max voltage 40.5kV with EINZEL lens. Communicated with Friedhelm and Lia. It was decided 40kV was good enough. Started developing standard test (see below for testing procedure) for Module so a with and without source tray
July 12 2013 - Only one spark on route to 40kV. PS tripped after ~10 minutes at 40kV. Near the end of the day there wasn't enough time to repeat test.
July 15 2013 - Test repeated, could not hold 40kV. 39kV held for 1 hour with EINZEL lens off. Sparking was making it difficult to keep on.
July 15 2013 - TM3 was electrically disconnected from the conditioning station. The station ran at 60kV for 1 hour with zero sparks.
July 16 2013 - Test repeated with goal of 39kV intense sparking after 20 minutes caused the PS to trip. Once again the EINZEL lens PS was tripping and eliminated from use to make the test easier. With the failure of this test once again Friedhelm was once again consulted. He advised to stop testing as it appears to be causing damage. There is concern that the module is degrading. Lia has stated this does not affect the source tray and that a source tray will be inserted into TM3 and she accepts responsibility if the module does not hold voltage.
Standard testing procedure for the bias was as follows. Please note that the EINZEL lens was supposed to follow the BIAS steps at 50%. This procedure was approved by Friedhelm prior to operating. This test was never successfully completed and we will not be able to complete a "apples to apples" test once the source tray is installed.
> Step to 5000 kV If no sparking after 1 minute
> Step to 10000 kV If no sparking after 1 minute
> Step to 15000 kV If no sparking after 1 minute
> Step to 17500 kV If no sparking after 1 minute
> Step to 20000 kV If no sparking for at least 1 minute after 5 minutes
> Step to 22500 kV If no sparking for at least 1 minute after 5 minutes
> Step to 25000 kV If no sparking for at least 1 minute after 5 minutes
> Step to 27500 kV If no sparking for at least 1 minute after 5 minutes
> Step to 30000 kV If no sparking for at least 1 minute after 5 minutes
> Step to 31000 kV If no sparking for at least 1 minute after 5 minutes
> Step to 32000 kV If no sparking for at least 1 minute after 5 minutes
> Step to 33000 kV If no sparking for at least 1 minute after 5 minutes
> Step to 34000 kV If no sparking for at least 1 minute after 5 minutes
> Step to 35000 kV If no sparking for at least 2 minute after 10 minutes
> Step to 35500 kV If no sparking for at least 2 minute after 10 minutes
> Step to 36000 kV If no sparking for at least 2 minute after 10 minutes
> Step to 36500 kV If no sparking for at least 2 minute after 10 minutes
> Step to 37000 kV If no sparking for at least 2 minute after 10 minutes
> Step to 37500 kV If no sparking for at least 5 minute after 10 minutes
> Step to 38000 kV If no sparking for at least 5 minute after 10 minutes
> Step to 38500 kV If no sparking for at least 5 minute after 10 minutes
> Step to 39000 kV If no sparking for at least 5 minute after 10 minutes
> Step to 39500 kV If no sparking for at least 5 minute after 10 minutes
> Step to 40000 kV Maximum 3 sparks per hour maximum test time 3 hours.
|
|
408
|
Wednesday, July 24, 2013, 14:40 |
Travis Cave | Conditioning Station | Standard Operation | TM4 | SiC#29 | module move |
TM#4 with SiC#29 has been moved from the south hot cell to the conditioning station move went well. |
|
409
|
Wednesday, July 24, 2013, 17:46 |
David Wang | Conditioning Station | Standard Operation | TM4 | Sic 29# | Started 3 turbo pumps on CS for TM4 |
3 turbo pumps on TM4 and CS have been started. The pumping down is good so far, The TM4 PNG1 reading is more than 10 times higher than IG1 which is at the same chamber. It could be a controller problem. Other 3 high vacuum gauges behavior normal. The TM4 IG1 is replaced today and it works fine now. |
|
410
|
Thursday, July 25, 2013, 09:37 |
Travis Cave | Conditioning Station | Standard Operation | TM4 | SiC#29 | Electrical check |
Electrical check of TM#4 with SiC#29 attached. Results are pretty much the same as yesterday for the coil to 60kV common, and anode to 60kV common. See attached pdf for details. |
| Attachment 1: TM#4_SiC#29_FEBIAD_TgtElecChkCS_.PDF
|
|
|
411
|
Thursday, July 25, 2013, 10:08 |
David Wang | Conditioning Station | Standard Operation | TM4 | SiC #29 | TM4 HS helium pressure test andTM4 connection at CS |
Bevan and I did a helium pressure test on TM4 HS water circuit at CS. The leak detector is pumped to the bottom scale(E-9 atm.cc/sec and E-4torr). We applied 70 psi helium to the HS circuit for 3 minutes . No response had been found. I also leak checked IG1 flange which was replaced yesterday. It is good. We connected the TM4 to CS and put the HV cover on. The water cooling system will be started soon. |
|
427
|
Monday, August 26, 2013, 18:26 |
Grant Minor | Conditioning Station | Standard Operation | TM3 | | TM3 moved from Hot Cell to Conditioning Station |
Target Module 3 with no target, and a partially-installed Rev-3 source tray (no steerers connected, no IMG connected, entrance window lines blanked off on module side and not connected to containment box) was transported successfully to the Conditioning Station by Travis Cave and David Wang at around 4pm today. David attached the vacuum system for start of pump-down to prepare for leak checking. |
|
431
|
Tuesday, August 27, 2013, 17:18 |
Grant Minor | Conditioning Station | Repair | TM3 | no target | TM3 Rev 3 source tray - prelminary leak check results at CS |
David Wang started a helium leak check on TM3 at the CS this morning.
David will create an e-log once his check is complete, but here are the preliminary results:
- target oven +/- OK
- mounting support plate OK
- ionizer tube heater +/- OK
- extraction electrode OK
A large leak was found in the heat shield circuit:
- The module pumped down with the leak rate stabilizing at 4.8xE-9 atm.cc/sec
- 60 psi helium was applied to the heat shield fitting on the right side of the Y-shaped connector (see attached sketch, each side of the "Y" is separated by a face to face metal contact only, i.e. no o-ring seal separates supply and return water)
- The maximum leak response was detected in 10 seconds, with base pressure rising from 2.0E-2 torr to 2.8xE-2 torr
- The helium was vented from the line by using an allen wrench to open the valve on the water quick-connect (see attached photo)
- The module continued pumping down, and after some time, the allen wrench was used again to open the valve, but air rushed inside, indicating vacuum was being drawn inside the water line through the leaking interface
- As the module continued to pump, this vacuum vent air rush inside the water line could not be reproduced by opening the valve again with the allen key
The module is currently pumping down at the Conditioning Station. We will leak check the remaining lines tomorrow with whatever base leak-rate we have achieved, and then move TM3 to the Hot Cell for further diagnosis. |
| Attachment 1: TM3_leak_check_at_CS_27Aug2013.JPG
|
|
| Attachment 2: sketch_TM3_water_feedthru_27Aug2013-1.pdf
|
|
|
433
|
Wednesday, August 28, 2013, 14:25 |
Travis Cave | Conditioning Station | Standard Operation | TM3 | no target | module move |
TM#3 with no target has been moved from the conditioning station to the south hot cell. The fields observed around the containment box of the module ranged from 0.80 mSv/hr to 1.8mSv/hr.. |
|
434
|
Thursday, August 29, 2013, 06:48 |
David Wang | Conditioning Station | Development | TM3 | | TM3 leak check in CS with new source tray. |
A huge leak had been found on HS circuit during 60 psi helium pressurize test. Other circuits are free of obvious major leak at present .We will test them again once the TM3 is back to CS. See attachment for details |
| Attachment 1: TM3_leak_check_at_CS_2013__AUG_27th.pdf
|
|
|
448
|
Wednesday, September 11, 2013, 11:31 |
Travis Cave | Conditioning Station | Standard Operation | TM3 | no target | module move |
TM#3 with no target has been moved to the conditioning station from the south hot cell. |
|
449
|
Wednesday, September 11, 2013, 13:43 |
David Wang | Conditioning Station | Development | TM3 | | Started 3 turbo pumps on CS for TM3 |
TM3 has been connected in CS.Three turbo- pumps have been started. The pumping down is fine so far. |
|
453
|
Friday, September 13, 2013, 07:49 |
David Wang | Conditioning Station | Development | TM3 | | TM3 water lines leak check at CS |
I leak checked TM3 water lines at CS with 60 psi and 80psi helium. The base leak rate is 5.0xe-9 atm.cc/sec. Each circuit 3 minutes helium pressurizing for each time test. No any respose had been found on leak detector during the test. See attachment |
| Attachment 1: TM3_water_lines_leak_check_at_CS.pdf
|
|
|
466
|
Wednesday, September 25, 2013, 13:48 |
Travis Cave | Conditioning Station | Standard Operation | TM3 | NiO#2 | Electrical check |
Electrical check of TM#3 in the conditioning station under vacuum see attached PDF for details. |
| Attachment 1: TM#3_elec_chk_NiO#2_CS.PDF
|
|
|
467
|
Thursday, September 26, 2013, 09:46 |
maicodallavalle | Conditioning Station | Repair | TM3 | | Leak check / Pressure Test |
TM3 has had all of the water lines pressurized with Helium and the Helium Leak detector was connected to the turbo pumps. There were no leaks detected. |
|
469
|
Thursday, September 26, 2013, 14:37 |
Bevan Moss | Conditioning Station | Standard Operation | TM3 | NiO#2 | Leak check / Pressure Test |
| maicodallavalle wrote: |
|
TM3 has had all of the water lines pressurized with Helium and the Helium Leak detector was connected to the turbo pumps. There were no leaks detected.
|
While pressurizing the lines it was found some of the lines had water in them. It is unknown where this water came from. Perhaps David connected the conditioning station last time it was in? Lines that were free of water were A, B, C, and window The leak detector pumped down to 4.0 x 10^-3 Torr and the leak rate was 1.4 x 10^-9 atm-cc/sec, there was no response during the leak test and the leak rate continued to decrease during the test. |
|
471
|
Thursday, September 26, 2013, 14:47 |
Bevan Moss | Conditioning Station | Maintenance | TM3 | NiO#2 | Water pumps turned on |
The water pumps for the conditioning station were turned on at ~11:45. It took longer to start the conditioning station as the air from the leak test had to be bled off and the make up water tank refilled. The valves on the water supply line were closed slightly to make up for the fact the water cooled power supply has been removed. DIF2 was installed by Maico so we can measure the flow in the primary side. |
|
472
|
Thursday, September 26, 2013, 14:55 |
Bevan Moss | Conditioning Station | Standard Operation | TM3 | NiO#2 | HV conditioning |
The first attempt at HV conditioning of TM3 with the new source tray and NiO#2 target installed. Conditioning so far has been very slow, with the current increasing quickly to a maximum of 400uA. Voltage in these cases was lowered until the current was below 200uA. Attached is the raw data. It appears the source tray and target are conditioning just there is either something burning off or there is localized poor vacuum. |
| Attachment 1: 26092013_TM3_NiO2_HV_conditioning_first_attempt.txt
|
Time TCS:DIC1:RDCOND [Mohm] TCS:IG2:RDVAC [T] TCS:IG1S:RDVAC [T] TCS:BIAS:RDVOL [V] TCS:BIAS:RDCUR [uA] TCS:EL:RDVOL [V] TCS:EL:RDCUR [mA]
09/26/2013 12:33:22.798401 5.0 0.000008351 0.000007054 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:23.798571 5.0 0.000008351 0.000007054 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:24.798174 5.0 0.000008351 0.000007054 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:25.798026 5.0 0.000008351 0.000007076 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:26.797921 5.0 0.000008329 0.000007054 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:27.797998 5.0 0.000008351 0.000007076 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:28.798672 5.0 0.000008351 0.000007076 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:29.799554 5.0 0.000008351 0.000007076 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:30.799423 5.0 0.000008373 0.000007076 74042.11 0.00 BadVal BadVal
09/26/2013 12:33:31.799291 5.0 0.000008351 0.000007098 74042.11 0.00 6.10 BadVal
09/26/2013 12:33:32.799147 5.0 0.000008351 0.000007076 74042.11 0.00 6.10 BadVal
09/26/2013 12:33:33.799077 5.0 0.000008351 0.000007076 74042.11 0.00 6.10 BadVal
09/26/2013 12:33:34.798923 5.0 0.000008373 0.000007076 74042.11 0.00 6.10 BadVal
09/26/2013 12:33:35.855344 5.0 0.000008351 0.000007054 74042.11 0.00 6.10 BadVal
09/26/2013 12:33:36.855698 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:37.855558 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:38.856379 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:39.856500 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:40.856215 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:41.856012 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:42.855878 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:43.855856 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:44.855636 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:45.855511 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:46.855439 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:47.856491 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:48.856270 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:49.856034 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:50.856953 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:51.856801 5.1 0.000008329 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:52.857714 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:53.857523 5.1 0.000008373 0.000007098 74042.11 0.00 6.10 0.01
09/26/2013 12:33:54.857498 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:55.857555 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:56.857130 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:33:57.857091 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:58.856941 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:33:59.856797 5.1 0.000008329 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:00.856620 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:01.856523 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:02.856463 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:03.857270 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:04.857123 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:05.857083 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:06.856878 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:07.857738 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:08.857668 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:09.857674 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:10.857375 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:11.857251 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:12.858195 5.1 0.000008373 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:13.858066 5.1 0.000008373 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:14.857889 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:15.857952 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:16.857924 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:17.858515 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:18.858375 5.1 0.000008373 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:19.858249 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:20.858134 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:21.858037 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:22.858889 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:23.859048 5.1 0.000008329 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:24.859688 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:25.859494 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:26.859368 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:27.860282 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:28.860158 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:29.860203 5.1 0.000008329 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:30.859858 5.1 0.000008329 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:31.859761 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:32.860674 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:33.860533 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:34.860365 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:35.861264 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:36.861210 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:37.861126 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:38.861879 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:39.861739 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:40.861700 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:41.861528 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:42.862380 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:43.862277 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:44.862112 5.1 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:45.862983 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:46.863148 5.2 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:47.862822 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:48.862650 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:49.862510 5.1 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:50.862441 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:51.862255 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:52.862185 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:53.861987 5.1 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:54.861930 5.2 0.000008373 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:55.861816 5.2 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:34:56.861631 5.2 0.000008351 0.000007032 74042.11 0.00 6.10 0.01
09/26/2013 12:34:57.862574 5.2 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:58.862592 5.2 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:34:59.863332 5.2 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:35:00.863126 5.2 0.000008373 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:35:01.862988 5.2 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:35:02.864119 5.2 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:35:03.863759 5.2 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:35:04.863623 5.2 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:35:05.863474 5.2 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:35:06.863355 5.2 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:35:07.864247 5.2 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:35:08.865174 5.2 0.000008329 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:35:09.864977 5.2 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
09/26/2013 12:35:10.864890 5.2 0.000008351 0.000007054 74042.11 0.00 6.10 0.01
09/26/2013 12:35:11.864811 5.2 0.000008351 0.000007076 74042.11 0.00 6.10 0.01
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Thursday, September 26, 2013, 15:00 |
Bevan Moss | Conditioning Station | Standard Operation | TM3 | NiO#2 | RGA not connecting |
Following the helium pressure test Don attempted to connect to the RGA via the network. He was unable to do so. This scan was desired so a pre and post water scan could be compared to indicate if there was any leaking. It has been decided to carry on as the HV and HP tests are of greater importance. Don will continue to investigate the RGA. Travis inspected from the conditioning station roof and determined that the RGA is getting power. |
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Thursday, September 26, 2013, 15:25 |
Bevan Moss | Conditioning Station | Standard Operation | TM3 | NiO#2 | HV conditioning |
| Bevan Moss wrote: |
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The first attempt at HV conditioning of TM3 with the new source tray and NiO#2 target installed. Conditioning so far has been very slow, with the current increasing quickly to a maximum of 400uA. Voltage in these cases was lowered until the current was below 200uA. Attached is the raw data. It appears the source tray and target are conditioning just there is either something burning off or there is localized poor vacuum.
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Attached screen shot. Vacuum was around 8.3 X 10^-6 on IG2 (which is in the diagnostics box) |
| Attachment 1: TM3_NiO#2_Frist_Attempt_HV_conditioning_Bias_and_El_V_and_I.JPG
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Friday, September 27, 2013, 10:54 |
Travis Cave | Conditioning Station | Standard Operation | TM3 | NiO#2 | module move |
TM#3 with NiO#2 has been moved to the south hot cell from the conditioning station. |