Variable leak valve with serial number F3-592 has been replaced by F3-649 due to regulating problems described previously by Fridhelm Ames.

Tuesday, April 09, 2024, 15:25: Roughing.

Wednesday, April 10, 2024, 05:41: TP1B on. 

Wednesday, April 10, 2024, 05:47: TP1A on. 

Wednesday, April 10, 2024, 06:01: IG1 on. 

Wednesday, April 10, 2024, 12:21: Waterline FS#5 open. Vacuum stable @ 1.23e-06T.

Wednesday, April 10, 2024, 12:25: Power / sources on.

Wednesday, April 10, 2024, 12:32: TGHT / TBHT @ 5/5A tapped up & back down manually. Ok.

Wednesday, April 10, 2024, 12:33: Anode @ 25 V, Coil @ 10 A. Tapped up & down manually. Ok.

Wednesday, April 10, 2024, 12:35: BIAS / EE / EZL @ 1 / -0.5 / 1 kV. Tapped up & down manually. Ok.

Wednesday, April 10, 2024, 12:37: Vacuum @ 1.19e-06T. Ok, but will allow to drop further.

Thursday, April 11, 2024, 10:21: Gas lines open.

Thursday, April 11, 2024, 10:34: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 11, 2024, 10:38: BIAS / EE / EZL @ 40 / -2.0 / 17 kV.

Thursday, April 11, 2024, 10:41: Significant sparking for about 5 seconds. BIAS / EE / EZL @ 43 / -2.0 / 19 kV.

Thursday, April 11, 2024, 10:42: BIAS / EE / EZL @ 45 / -2.0 / 19 kV.

Thursday, April 11, 2024, 10:46: BIAS / EE / EZL @ 47.5 / -2.2 / 22 kV. Sparking again. On the spark gap.

Thursday, April 11, 2024, 10:56: BIAS / EE / EZL @ 50 / -2.5 / 25 kV.

Thursday, April 11, 2024, 11:26: 30 minutes @ 50 kV. 2 sparks in that time. The second spark tripped the optics & IG6. They were reset.

Thursday, April 11, 2024, 11:31: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 11, 2024, 11:38: HV tapped to 0 kV.

Thursday, April 11, 2024, 11:39: Vacuum @ 8.27e-07T.

Thursday, April 11, 2024, 13:03: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Vacuum @ 8.16e-07T.

Thursday, April 11, 2024, 13:26: Coil @ 80 A. Tapped up manually at 4 A per min approx.

Thursday, April 11, 2024, 13:28: Vacuum @ 1.01e-06T

Thursday, April 11, 2024, 13:57: Vacuum @ 2.96e-06T

Thursday, April 11, 2024, 14:19: Coil @ 0 A.

Thursday, April 11, 2024, 14:21: Anode @ 100 V.

Thursday, April 11, 2024, 14:22: Anode @ 200 V.

Thursday, April 11, 2024, 14:24: Anode @ 500 V.

Thursday, April 11, 2024, 14:28: Anode @ 0 V.

Thursday, April 11, 2024, 14:32: HV to 0 kV.

Friday, April 12, 2024, 06:30: Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 A per min. 

Friday, April 12, 2024, 13:23: Auto-ramping aborted. TGHT @ 556 A, Vacuum @  4.94e-06T. Allow 20 min for stabilization.

Friday, April 12, 2024, 13:44: Auto-ramping TGHT to 580 A @ 2 A per min. Vacuum @ 4.57e-06T. 

Friday, April 12, 2024, 14:15: Aborted auto-ramp. Vacuum @ 5.20e-06T. Will manually tap up. 

Friday, April 12, 2024, 14:32: BIAS / EE / EZL @ 30 / -1.5 / 13 kV. Vacuum @ 5.31e-06T. The extraction electrode is acting up. Doubling the voltage on what is input. Add 50 V on the slider, 100 V will go to the readback. 

Friday, April 12, 2024, 14:49: HV back to 0 kV. 

Friday, April 12, 2024, 15:12: EE Troubleshooting. Cage open & multiple tests to adjust the voltage.

Friday, April 12, 2024, 15:19: Auto-cooling @ -2 A per min 

https://elog.triumf.ca/TIS/Test-Stand/1003

EE Issue resolved. TS closed up.

Wednesday, April 17, 2024, 14:08: IV4 opened. Vacuum @ 5.26e-07T.

Wednesday, April 17, 2024, 14:12: TGHT / TBHT manually tapped up to 5 / 5 A.

Wednesday, April 17, 2024, 14:13: BIAS / EE / EZL @ 2.5 / -1.0 / 1.0 kV. Ok.

Wednesday, April 17, 2024, 14:15: Anode to 100 V. Ok. Coil PS is still.

Wednesday, April 17, 2024, 14:19: Rear cage reopened. Coil PS on. Coil @ 5 A. Ok. Gas on in the morning.

Wednesday, April 17, 2024, 14:21: Auto-ramping TGHT / TBHT to 350 / 150 A @ 2 A per min. Coil back to 0 A.

Thursday, April 18, 2024, 05:57: Auto-ramping TGHT / TBHT to 580 / 290 A @ 2 A per min. 

Thursday, April 18, 2024, 08:26: Gas lines purged & reopened full of Ar.

Thursday, April 18, 2024, 08:39: Optics set with common tune.

Thursday, April 18, 2024, 08:48: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 18, 2024, 08:50: Begin mass & wire scans w/o Anode & Coil

Thursday, April 18, 2024, 08:55: MB1 appears to be tripped & out of sync.

Thursday, April 18, 2024, 08:57: Switched MB1 PS off, controller off. Restart them. PS on, then controller. Reset on epics & Can Diagnostics TMS:HallMB1 (cfg)

Thursday, April 18, 2024, 08:59: MB1 ready. Continue testing / mass scan.

Thursday, April 18, 2024, 09:37: Anode to 100 V. Coil to 20 A.

Thursday, April 18, 2024, 10:15: Set optics to Dave's previous tune.

Thursday, April 18, 2024, 10:49: Primary mass & wire scans set complete.

Thursday, April 18, 2024, 11:01: Anode & Coil to 0. Scanning w/ Dave's previous tune.

Thursday, April 18, 2024, 11:52: BIAS / EE / EZL to 0 kV. Gas lines closed. IV4 closed.

Thursday, April 18, 2024, 11:53: Begin auto-cooling @ 2 A per min.

Friday, April 19, 2024, 06:56: Power off. IG1 off. TP1B & TP1A off.  

Friday, April 19, 2024, 09:03:   VV1 open -  venting 

Wednesday, January 09, 2013, 14:12: Roughing empty chamber

Friday, January 11, 2013, 08:36: Venting for installation of RFQ test target later today

 For conductor bolt work

Monday, January 28, 2013, 12:56: Turbos off

Monday, January 28, 2013, 14:18: Venting

Monday, January 28, 2013, 14:41: Roughing

Monday, January 28, 2013, 15:35: Starting turbos

Monday, January 28, 2013, 15:43: Turbos at speed

Monday, January 28, 2013, 15:45: Vacuum at 3.9 E-6 T

Thursday, March 28, 2013, 13:55: Roughing

Thursday, March 28, 2013, 14:36: Starting turbos (vacuum at ~0.100 T)

Thursday, March 28, 2013, 14:44: Both turbos at speed

Thursday, March 28, 2013, 14:46: Vacuum at 5.2E-6 Torr

Same target as in e-log entry https://elog.triumf.ca/TIS/Test-Stand/106

Thursday, April 25, 2013, 13:54: Roughing

Thursday, April 25, 2013, 14:25: Started turbos 

Thursday, April 25, 2013, 14:33: Turbos at speed

Thursday, April 25, 2013, 14:33: Vacuum at 8.8E-6 T

Friday, April 26, 2013, 08:25: Cooling water supply opened. Vacuum stable at 2.2E-7 T

Friday, April 26, 2013, 13:35: Gas lines evacuated.

Testing Coil current vs Temperature before heating

COIL:RDCUR at 1.95A
COIL:RDVOL at 1.47V
COIL T/C at 86 deg C and still slowly increasing

Tuesday, April 30, 2013

Testing Coil current vs Temperature before heating

COIL:RDCUR at 3.96A

COIL:RDVOL 3.2 V Vacuum starts to increase (base 1.4E-7

COIL:RDVOL 3.8 V T/C at 150 C vacuum at 5E-7

COIL:RDCUR at 3.47A to reduce out-gassing T/C at 175 C

Tuesday, April 30, 2013, 12:39

COIL:RDCUR at 3.96A T/C 225 C

COIL:RDVOL 5.0 V T/C at 250 C vacuum at 6.2E-7

Tuesday, April 30, 2013, 13:00

COIL:RDCUR at 4.25A COIL:RDVOL at 5.7V T/C 290 C

Tuesday, April 30, 2013, 13:10

COIL:RDCUR at 4.15A COIL:RDVOL at 5.75V T/C 310 C

Tuesday, April 30, 2013, 14:53

COIL:RDCUR at 4.15A COIL:RDVOL at 5.85V T/C 320 C

Tuesday, April 30, 2013, 16:30

COIL:RDCUR at 4.15A COIL:RDVOL at 5.89V T/C 328 C

Wednesday, May 01, 2013, 08:16

COIL:RDCUR at 4.15A COIL:RDVOL at 5.95V T/C 350 C - P/S is voltage limited at 5.95V

Ramping down current to 0. T/C logger is required elsewhere.

Friday, May 03, 2013, 12:07: Pumping out gas line through vacuum chamber.

The anode cable has been reconnected (see e-log entry 297)

Friday, May 03, 2013, 14:17: BIAS and EE to 30kV and -800V

Friday, May 03, 2013, 14:24: Started heating TBHT to 280A at 1A/min

Monday, May 06, 2013, 08:46: TBHT @ 276A, Voltage limiting at 2.5V. Increased limit to 2.7V. TGHT to 280A and 2.52V. COIL temp ~100C

Monday, May 06, 2013, 09:48: COIL:RDCUR at 2.93A

Monday, May 06, 2013, 10:34: Coil temp ~240C. Increasing COIL:RDCUR to 3.52A COIL:RDVOL at 4.1V

Monday, May 06, 2013, 11:48: Coil temp 330C COIL:RDCUR at 3.52A RDVOL at 4.9V

Monday, May 06, 2013, 11:54: COIL:RDCUR at 3.9A

Monday, May 06, 2013, 12:56: RDVOL at 5.9V. Coil temp ~380C

Monday, May 06, 2013, 13:47: Cooling down target to correct anode connection.

Tuesday, May 07, 2013, 08:47: De-biased

Tuesday, May 07, 2013, 10:06: Corrected el. connections to cathode floating. Started tube heating to 280A

Wednesday, May 08, 2013, 12:12: De-biased

Wednesday, May 08, 2013, 12:12: Cooling down cathode 1A/min

Thursday, May 09, 2013, 15:22: TPS:IV4 closed

Also with newly installed RGA

Tuesday, February 03, 2015, 14:33: Roughing

Tuesday, February 03, 2015, 15:05: Turbos started

 Tuesday, February 03, 2015, 15:15: Turbos at speed. Vacuum at 3.3E-5 T

Wednesday, February 04, 2015, 13:56: Cooling water on HS circuit on. No response on IG1 or on the RGA (water)

Thursday, February 05, 2015, 09:00: RGA started. Scan 1-100 every 5 min

Thursday, February 05, 2015, 09:02: Opened IV4

Thursday, February 05, 2015, 09:16: Started target heating to 500 / 150 A at 2 / 1 A/min

Thursday, February 05, 2015, 09:24: Opened electrical cage to switch on TGHT PS

Thursday, February 05, 2015, 09:26 : Started target heating to 500 / 150 A at 2 / 1 A/min

Thursday, February 05, 2015, 09:28: BIAS/EZL/EE on and at HV

Thursday, February 05, 2015, 13:21: TGHT voltage limited. Voltage limit increased to 7 V

Thursday, February 05, 2015, 13:53: Continue to 580 A

Thursday, February 05, 2015, 14:25: RGA stopped around 13:34. Started scanning again

Thursday, February 05, 2015, 15:08: Heating to 200 A on TBHT

Friday, February 06, 2015, 10:34: Heating TBHT to 220 A

Friday, February 06, 2015, 11:07: TBHT at 230 A. TGHT at 580 A

Friday, February 06, 2015, 11:50: Cooling down target

Friday, February 06, 2015, 11:56: RGA  off

Friday, February 06, 2015, 11:5: BIAS/EZL/EE off

Tuesday, February 10, 2015, 11:34: BIAS/EZL/EE on. Started heating to 580 / 230 A at 4 / 2 A/min. RGA on

Monday, February 16, 2015, 08:46: BIAS/EZL/EE on

Monday, February 16, 2015, 09:13 : Started heating to 580 / 230 A at 4 / 2 A/min. RGA on

Monday, February 16, 2015, 10:10: Opened isolation valve

Monday, February 16, 2015, 14:23: TGHT was found voltage limiting at 7 V. Increased voltage limit to 7.2 V

Temperature read with digital optical pyrometer. Inside target 1800 - 1900 deg C. Outside 1900 - 2000 deg C

Monday, February 16, 2015, 15:50: Starting cool down

Tuesday, February 17, 2015, 08:30: RGA off

Tuesday, February 17, 2015, 08:32: BIAS/EZL/EE off. Isolation valve closed.

Tuesday, February 17, 2015, 08:34: Turbos off

Tuesday, February 17, 2015, 13:58: Venting

Ceramic coated coil development target removed. CTL Febiad target installed.

Roughing chamber.

Turbos started

Cooling water turned on when vacuum reading 5.54e-06 T. Vacuum steadily increasing. Ion gauge reading steadily decreasing now reading 4.48e-06 T.

Wednesday, May 29, 2013, 12:09: Debiased to insert temp logger

Wednesday, May 29, 2013, 14:40: Temp logger installed

CH1 COIL
CH2 CTL Block

Wednesday, May 29, 2013, 14:51: Opening gas lines

Temperatures [deg C]
COIL: 190
CTL:   44

Wednesday, May 29, 2013, 15:31: Coil at 50A

Temperatures [deg C]
COIL: 212
CTL:   45

Thursday, May 30, 2013, 09:18: TGHT was voltage limited at about 570A. Increased voltage limit to 5.5V and raised current to 580A

Thursday, May 30, 2013, 09:20: Ramping TBHT to 280A

Thursday, May 30, 2013, 10:03

Temperatures [deg C]
COIL: 227
CTL:   48

Thursday, May 30, 2013, 10:07: Heard a noise from the vacuum chamber coinciding with a spike in vacuum on both gauges.

Monday, June 03, 2013, 08:54: Target debiased and gases off. Target cooling started in preparation for power outage tomorrow at 9am.

Wednesday, June 05, 2013, 09:57: Purging gas lines to vacuum chamber

Wednesday, June 05, 2013, 10:13: Target biased again. Started target heating.

Thursday, June 06, 2013, 13:23:

Temperatures [deg C]
COIL: 227
CTL:   48

Thursday, June 06, 2013, 16:45: TBHT increased ti 290A

Temperatures [deg C]
COIL: 230
CTL:   50

Friday, June 07, 2013, 08:40: Magnet found off. TPS:Q4 and TPS:Q2 found off.

Temperatures [deg C]
COIL: 227
CTL:   48

Friday, June 07, 2013, 14:21: Anode current limit increased to 500 mA. Adjusted magnet current. Increasing TBHT.

Friday, June 07, 2013, 16:24: TBHT at 296A

Temperatures [deg C]
COIL: 237
CTL:   50

Monday, June 10, 2013, 08:19 

Temperatures [deg C]
COIL: 232
CTL:   49

Monday, June 10, 2013, 16:55: COIL at 60A

Temperatures [deg C]
COIL: 244
CTL:   49

Tuesday, June 11, 2013, 08:42: TBHT voltage limited this morning at 291A

Temperatures [deg C]
COIL: 242
CTL:   49

Tuesday, June 11, 2013, 11:02: COIL at 70A

Temperatures [deg C]
COIL: 256
CTL:   49

Tuesday, June 11, 2013, 15:49: COIL at 80A

Temperatures [deg C]
COIL: 272
CTL:   49

Wednesday, June 12, 2013, 08:19:
 Short on TBHT - see attached photo.
T/C logger is is off.
Gas lines closed.
Cooling down target.
Target debiased.

Thursday, June 13, 2013, 08:37: Turbos stopped.

Thursday, June 13, 2013, 09:20: Water lines purged.

Thursday, June 13, 2013, 09:41: Venting

Thursday, June 13, 2013, 10:19: Target removed

Purged the gas lines, turned on the HV and started the heaters for CLT FEBIAD: TGHT up to 580A and TBHT up to 230A.

Was for UC# 32* - Schedule change, now for C#1

Thursday, January 30, 2020, 15:13: Roughing.

Thursday, January 30, 2020, 15:46: Turbo pumps on.

 Thursday, January 30, 2020, 15:50: IG1 on.

Friday, January 31, 2020, 08:14: Waterlines opened. No Vacuum response. Vacuum ok @ 6.10e-07T.

Friday, January 31, 2020, 08:16: Power / sources on

Friday, January 31, 2020, 08:18: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2 A per min.

Monday, February 03, 2020, 12:56: Auto-cooling @ 2 A per min. 

Wednesday, February 05, 2020, 09:07: Power / sources off. Waterlines purged. IG1 & turbo pumps off.

Friday, February 07, 2020, 11:45:

Short was found on the HS Lid from the TGHT on the left. Milled out 1/8" off both HS lid / TGHT gaps. Lots of clearance now. Reheat req'd.

Tuesday, October 18, 2022, 13:25: Roughing.

Tuesday, October 18, 2022, 13:28: BV1A open

Wednesday, October 19, 2022, 12:14: TP1B on.

Wednesday, October 19, 2022, 12:18: TP1A on.

Wednesday, October 19, 2022, 12:26: IG1 on.

Wednesday, October 19, 2022, 12:34: IV4 open & Closed. Vacuum @ 4.13e-06T.

Wednesday, October 19, 2022, 12:39: FS#5 Water line opened.

Wednesday, October 19, 2022, 12:40: PS on.

Wednesday, October 19, 2022, 12:43: Optics PS on. Unlocked.

Wednesday, October 19, 2022, 12:44: Sources on. Vacuum @ 3.21e-06T.

Wednesday, October 19, 2022, 12:46: BIAS / EE / EZL @ 1 / -0.5 / 1 kV.

Wednesday, October 19, 2022, 12:47: TGHT / TBHT @ 10 / 10 A manually.

Wednesday, October 19, 2022, 12:48: IV4 Open.

Wednesday, October 19, 2022, 12:53: Optics set.

Controls updated

Monday, November 07, 2022, 12:40: Optics set

Monday, November 07, 2022, 13:00: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Monday, November 07, 2022, 13:15: Auto-ramping TGHT /  TBHT to 20 A @ 4A per minute. (Testing new auto-ramp)

Monday, November 07, 2022, 13:35: BIAS / EE / EZL @ 35 / -1.8 / 15 kV. Spark*

Monday, November 07, 2022, 13:37: BIAS / EE / EZL @ 40 / -2.0 / 17 kV

Monday, November 07, 2022, 13:41: BIAS / EE / EZL @ 45 / -2.3 / 20 kV with multiple sparks near the 44-45kV end of the tap up.

Monday, November 07, 2022, 14:09: Spark. Audible outside the cage, however vacuum was also affected.

Monday, November 07, 2022, 14:49: No further sparks. HV check ok.

Monday, November 07, 2022, 14:52: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Thursday, April 17, 2025, 15:46  target installed. now roughing

Thursday, April 17, 2025, 17:12 Turbo pumps on.

Tuesday, April 22, 2025, 15:45    Water cooling on. no effect on vacuum

Tuesday, April 22, 2025, 15:46  ramping TGHT TBHT to 580A 230A at .5A/30s

 Wednesday, April 23, 2025, 09:21 slowly increasing HV BIAS/EE/EZL to 30kV, 2.5kV, 13kV,  watching for sparks.

Wednesday, April 23, 2025, 10:46   first spark seen at 28kV, ezl 13kV.

Wednesday, April 23, 2025, 12:35   at HV BIAS >42kV. have seen 3 large sparks outside of the chamber (not due to the target assembly, that appears to be quite stable).  leaving at 41kV until appears sparks have ceased.

Wednesday, April 23, 2025, 13:59  No sparks at 41kV. while increasing to 42kV, 3 sparks occurred over ~75min. say 25min spark period at 41.5kV

Wednesday, April 23, 2025, 14:00 dropped HV to 30kV, EZL to 13kV. turning on optics for scans.   (controls for TMS Q2/Q5 must be looked at. it often must be reconfigured in canbus settings. sometimes multiple times to turn it on.)

FC0: 2.12e-8 A

Wire scanners on ISAC fiducials setting:

RPM0A: 2025-04-23 C#5 RPM0A_1nA,  2025-04-23 C#5 RPM0A_33nA

RPM0B: 2025-04-23 C#5 RPM0B_1nA,  2025-04-23 C#5 RPM0B_33nA

Wednesday, April 23, 2025, 14:12  running mass scan. - 2025-04-23 C#5 conditioning mass scan

Mass 40 RPM6, ISAC fiducials:

2025-04-23 C#5 RPM6A_33nA

2025-04-23 C#5 RPM6B_33nA

Wednesday, April 23, 2025, 14:50  decreasing HV to 0 0 0

Wednesday, April 23, 2025, 15:01 decreasing TGHT TBHT to 0 0 at 1A/30s

 Thursday, April 24, 2025, 08:16   turning off turbo pumps

Former target confusion caused the incorrect target to be conditioned in this target's place. 

 scheduled isotopes: 7 Be, 8 Li

Friday, May 30, 2025, 15:41 target installed, roughing 

Friday, May 30, 2025, 16:09  turbo pumps on 

 Monday, June 02, 2025, 10:40  water cooling on. no affect on vacuum

Monday, June 02, 2025, 16:55   beginning ramp up TGHT, TBHT to 580 A, 230 A at 1A/30s

Tuesday, June 03, 2025, 09:35  Increasing BIAS/EE/EZL to 30/2.5/13 kV

Tuesday, June 03, 2025, 10:08    FC0 current 1.2e-7 A   RPM0B - 2025-06-03 C#5 RPM0B_100nA,    RPM0A - 2025-06-03 C#5 RPM0A_33nA,   

Tuesday, June 03, 2025, 10:21  running mass scan - "2025-06-03 C#5 conditioning mass scan"

Tuesday, June 03, 2025, 11:00 FC6 wirescan - mass 40. RPM6A - 2025-06-03 C#5 RPM6A_33nA,  2025-06-03 C#5 RPM6B_33nA, 

Tuesday, June 03, 2025, 11:03  beginning cooling - TGHT TBHT down to 0A 0A at -1A/30s

Tuesday, June 03, 2025, 11:03   decreasing high voltage components to 0 0 0

Wednesday, June 04, 2025, 09:20 - - turning off turbo pumps

Wednesday, June 04, 2025, 13:52  opening VV1 to vent chamber

Thermocouples attached on 5 X 5 multi-pin:

O - O

O - X

O - X

X - X

X - X

Tuesday, September 27, 2022, 07:51: Roughing.

Tuesday, September 27, 2022, 08:25: TP1B on.

Tuesday, September 27, 2022, 08:45: TP1A on.

Tuesday, September 27, 2022, 11:02: Vacuum @ 8.31e-06T

Tuesday, September 27, 2022, 11:04: Waterline FS#5 opened. Vacuum @ 8.13e-06T. Power on

Data logger connected as per FBP

Tuesday, September 27, 2022, 12:18: Sources/PS on.

Tuesday, September 27, 2022, 12:21: TGHT / TBHT manually tapped up to 10A.

Tuesday, September 27, 2022, 12:29: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Tuesday, September 27, 2022, 12:34: BIAS / EE / EZL @ 35 / -1.8 / 15 kV.

Tuesday, September 27, 2022, 12:35: Sparks* @ 37 KV BIAS. Outside the cage. x 2

Tuesday, September 27, 2022, 12:37: BIAS / EE / EZL @ 40 / -2.0 / 17 kV

Tuesday, September 27, 2022, 12:47: BIAS / EE / EZL @ 45 / -2.3 / 19 kV with multiple sparks on the tap up.

Tuesday, September 27, 2022, 13:00: 2 more sparks. TSG:CBC down. (Red)

Tuesday, September 27, 2022, 13:08: BIAS / EE / EZL @ 47.2 / -2.4 / 20 kV. Significant spark outside the cage.

Tuesday, September 27, 2022, 13:10: BIAS / EE / EZL @ 50 / -2.5 / 20 kV. Spark outside the cage.

Tuesday, September 27, 2022, 13:12: Blue glow / crack flowing across the TBHT.

Tuesday, September 27, 2022, 13:15: The glow is flexing? Fading in & out.

Tuesday, September 27, 2022, 13:50: HV Tap down to 0 kV

Tuesday, September 27, 2022, 14:13: TSG:CBC controls card replaced. Operation returned.

Tuesday, September 27, 2022, 14:14: IV4 opened.

Tuesday, September 27, 2022, 14:17: Optics set.

Tuesday, September 27, 2022, 14:19: Auto-ramping TGHT / TBHT to 350 / 150 @ 2A per min.

Tuesday, September 27, 2022, 14:43: BIAS / EE / EZL @ 1 / -0.5 / 1 kV. Remote operation clear.

Tuesday, September 27, 2022, 18:20: TS tripped shortly after 3:35 PM 

Tuesday, September 27, 2022, 18:30: Reset TS sources & optics

Tuesday, September 27, 2022, 18:49: Auto-ramping TGHT / TBHT to 300 / 150 @ 1A per min. Allow for a gradual out gassing.

Tuesday, September 27, 2022, 21:20: TGHT / TBHT @ 150A Vacuum @ 2.15e-06T. TGHT ramp ongoing @ 1 A per min. 

Tuesday, September 27, 2022, 22:08: TGHT / TBHT @ 200 / 150 A. Vacuum @ 2.15e-06T. Stable. TGHT ramp ongoing @ 1 A per min. 

Tuesday, September 27, 2022, 23:19: Auto-ramp halted. Sped up to 2 A per min. Vacuum @ 1.96e-06T. TGHT @ 270 A.

Tuesday, September 27, 2022, 23:41: TGHT / TBHT @ 300 / 150 A. Vacuum @ 1.97e-06T 

Wednesday, September 28, 2022, 06:36: Auto-ramping TGHT to 350A @ 1A per min. 

Wednesday, September 28, 2022, 08:14: Vacuum remained stable @ 1.49e-06T. Auto-ramping TGHT / TBHT to 400 / 200 A @ 2A per min. 

Wednesday, September 28, 2022, 08:48: Increase in vacuum up to 2.50e-06T+ followed by a drop in TBHT voltage. TGHT / TBHT remain stable  @ 400 / 200 A. Vacuum stabilizing @ 2.32e-06T. HV off.

Wednesday, September 28, 2022, 09:15: Data logger setup. Pins moved from 3 & 4 to 4 & 5. Temperature @ 50.6 C.

Wednesday, September 28, 2022, 09:20: HV sources & optics back on. Tap up.

Wednesday, September 28, 2022, 09:33: Auto-ramping TGHT to 450A @ 2 A per min. Some small sparks noted.

Wednesday, September 28, 2022, 09:35: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.

Wednesday, September 28, 2022, 09:59: Auto-ramping TGHT to 500A @ 2 A per min. Some small sparks noted although less frequent. 

Wednesday, September 28, 2022, 10:28: Auto-ramping TGHT / TBHT to 580 / 230 A @ 2A per min.

Wednesday, September 28, 2022, 10:41: BIAS lowered to 25 kV.

Wednesday, September 28, 2022, 11:09: TGHT / TBHT @ 580 / 230 A. BIAS @ 30 kV. Unstable / sparking.Very active on FC0

Wednesday, September 28, 2022, 11:29: Mass & wire scans ongoing. Reset DAC PS.

Wednesday, September 28, 2022, 11:58: Mass, wire & emittance scans complete. FC0 in. Auto-cooling @ 2 A per min.

Wednesday, September 28, 2022, 13:16: Cooling aborted for measurement. 

Wednesday, September 28, 2022, 13:21: Auto-cooling @ 2 A per min. 

Thursday, September 29, 2022, 07:20:  IV4 closed. Sources off. IG 1 & TP off.