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ID |
Date |
Author |
Subject |
Text |
 |
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17
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Mon Sep 21 09:51:57 2020 |
JM | CARME Status | Cooling of baking volume finished over
the weekend, attached are some plots of the
bakeout test. Bakeout2.png is the thermocouple |
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18
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Wed Sep 23 13:34:04 2020 |
JM | Tuesday 22 September | Turbo-pump Issue approximately 13:00 22/9/20.
While moving the baking octagon
into position, the power connector became |
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21
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Fri Sep 25 12:58:33 2020 |
JM | Friday 25/09/20 | 10:00 Vessel P = 3.99e-8 mbar,
RGA P = 1.4e-6 mbar
10:54 Vessel P = 3.89e-8 |
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23
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Mon Sep 28 13:04:27 2020 |
JM | Baking | I have (fingers crossed) got the baking
stepping up nicely now. I have used some
of the outer shell to act as a shield and |
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26
|
Mon Oct 12 10:49:36 2020 |
JM | First Bakeout of CARME with pumps (cont) | 12 October
10:00 Bakeout temperatures stable.
Pressure on the backing line is 3e-7mbar |
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27
|
Mon Oct 19 13:57:52 2020 |
JM | Neg Activation | Neg and Neg-Ion pumps have been connected
up to the control modules. Controller on
the right is connected to the D-2000s. Middle |
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33
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Tue Nov 10 12:25:29 2020 |
JM | Cable harnesses | The length of the wire needed was estimated
with the aid of a scale image of the detectors
in the CARME chamber and foam model pieces. |
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34
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Tue Nov 24 12:24:01 2020 |
JM | RGA scans | RGA laptop passcode: tw%11&STA-
RGA scans set up and plotting data |
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37
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Mon Dec 7 14:29:12 2020 |
JM | CARME packing up | |
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131
|
Sat Oct 23 12:58:11 2021 |
JM | GSI vacuum and bakeout testing summary | Attachment 1 shows the pump-down of the
CARME chamber at GSI before installation
of kapton cabling inside the chamber and |
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173
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Sat Jan 15 11:28:10 2022 |
JM | Inventory |
Vaccum
DN250CF 1x gaskets
DN200CF 5x gaskets
DN160CF 1x gaskets, |
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197
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Tue Feb 15 21:28:14 2022 |
JM | Noisy Channels | All fees and asics checked to find noisy
channels. Channels are listed along with
the noise peak height for the low energy |
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201
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Wed Feb 16 21:27:31 2022 |
JM | Cryring signals, Pulser tests, Waveforms | On 15/2/22 it was noted that the leakage
current increases when the motors are moved
IN. This is contary to tests conducted on |
11x |
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202
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Wed Feb 16 21:41:11 2022 |
JM | Run 43 Alpha Background | 22:41
Check Leakage current: (see attachment
1) = 10.01 uA and falling |
8x |
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387
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Mon Apr 24 21:24:26 2023 |
JM | Preparation for CARME dismount | CARME currently in vacuum, pressure ~3E-10
mbar. Chamber to be vented tomorrow afternoon
by vacuum division. We have active both pirani |
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388
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Tue Apr 25 13:22:19 2023 |
JM | CARME venting | CARME venting using nitrogen gas bottle.
Coolant pipes dismounted from the
chamber |
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413
|
Tue Jul 4 17:08:08 2023 |
JM | Leak test and venting | This morning the pressure achieved was
1.44E-7 mbar. Leak testing showed an overall
leak rate of 1.5E-10 mbar l/s, this is below |
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414
|
Wed Jul 5 19:27:13 2023 |
JM | Pump down and leak test | CARME and the interaction chamber have
been pumping for ~26 hours, P=4.15e-7 mbar,
attached figures show the current pump down |
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415
|
Thu Jul 6 15:26:39 2023 |
JM | Leak update | The leak on the actuator arm bellows has
been attempted to be sealed using UHV vacuum
seal spray. The spray had the opposite to |
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431
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Thu Aug 10 07:51:43 2023 |
JM | Baking tent and heater testing | 09/08/23
Attached is the current pumpdown
plot taken from grafana. |
8x |