Graphite experiment 2: ID Gr-230601, WO#45220-6 ( https://elog.triumf.ca/TIS/Evaporator_2/598 )

Original disc form. End caps expanded, no Re foil installed. 4 heat shields wrapped around the oven.

Wednesday, August 09, 2023, 14:00: Roughing.

Wednesday, August 09, 2023, 14:10: TP6 & TP2 beamline side. On.

Wednesday, August 09, 2023, 14:15: IG6 on.

Wednesday, August 09, 2023, 14:29: TP1B on.

Wednesday, August 09, 2023, 14:38: TP1A on.

Wednesday, August 09, 2023, 14:46: No trips. IG1 on. Vacuum @ 6.08e-05T & dropping.

Wednesday, August 09, 2023, 14:48: Waterline FS#5 open. Vacuum @ 4.45e-05T & dropping.

Wednesday, August 09, 2023, 16:10: HV rack grounded.

Wednesday, August 09, 2023, 16:16: BIAS / EE / EZL @ 1 / -0.5 / 0.5 kV. ok

TGHT / TBHT tapped up to 5 / 5 A. ok

Wednesday, August 09, 2023, 16:17: TGHT / TBHT Tapped back to 0 A. IV4 open. Vacuum @ 7.03e-06T.

Thursday, August 10, 2023, 05:16: Auto-ramping TGHT / TBHT to 150 / 150 A @ 1 A per minute. 

Thursday, August 10, 2023, 05:24: BIAS / EE / EZL @ 30 / -1.5 / 13 kV.  

Thursday, August 10, 2023, 05:26: FC0 out. MB1 set to -2508 to -2510 G. FC6 Auto range & Log10 green.

Thursday, August 10, 2023, 09:08: Pyrometer set on end cap. Slope set to 1.000. Temperature not yet displayed.

Thursday, August 10, 2023, 09:13: Auto-ramping TGHT / TBHT to 200 / 200 A @ 1 / 2 A per minute. (TBHT rate change confirmed)

Thursday, August 10, 2023, 10:17: Auto-ramping TGHT / TBHT to 230 / 230 A @ 1 / 2 A per minute.

Thursday, August 10, 2023, 10:48: Slope set to 0.99. Temperature @ 1109.8C. TGHT / TBHT @ 230 / 230 A.

Thursday, August 10, 2023, 10:58: Auto-ramping TGHT to 250 @ 1 A per minute.

Thursday, August 10, 2023, 11:20: TGHT @ 250 A. Mass scan taken to check for Na. Swept masses 30-19. Peak on 20-22. Magnet set to peak @ -2465 to -2467 G. Mass "22.225"

Thursday, August 10, 2023, 11:25: Auto-ramping TGHT to 250 @ 1 A per minute. Slope set to 0.98. Temperature @ 1215.5C.

Thursday, August 10, 2023, 12:00: Slope set to 0.97. Temperature @ 1339.7C.

Thursday, August 10, 2023, 12:12: Slope set to 1.00. Temperature @ 1340.1C.

Thursday, August 10, 2023, 12:15: Swept masses 30-19. Peak on 20-22. Magnet set to peak @ -2465 to -2467 G. Mass "22.225 - 22.235" again.

Thursday, August 10, 2023, 12:24: Auto-ramping TGHT to 350 @ 1 A per minute.

Thursday, August 10, 2023, 13:50: Slope set to 0.93 from 1. Temperature @ 1576.0 C. (Note: Was at 1466 C while at 1)

Thursday, August 10, 2023, 13:52: Auto-ramping TGHT to 400 @ 1 A per minute.

Thursday, August 10, 2023, 14:23: Steerers TSG:CBC dropped to 0V. Reset to 500 V.

Thursday, August 10, 2023, 14:52: Masscorr - Link to all:

http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/

Link to this test:

http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2023-08-10-14-51%20Graphite%2045220-6

Thursday, August 10, 2023, 14:57: Auto-ramping TGHT to 450 A @ 1 A per min.

Thursday, August 10, 2023, 16:12: TGHT @ 450A.  Mass scan taken. Swept mass 45 to 4. 

http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2023-08-10-16-21%20Graphite%2045220-6                 - dn

Thursday, August 10, 2023, 16:43: graphitetesting.stp data dump to http://isacwserv.triumf.ca/onlylocal/isactdata/isactdata/2023-08-10-16-38-Graphite-25220-6    -dn

  Mass scan taken. swept mass from 150 to 4.  http://isacwserv.triumf.ca/onlylocal/isactdata/save_restore/masscorr/2023-08-10-16-45%20Graphite%2045220-6     -dn

Thursday, August 10, 2023, 16:58: moved magnet back to Na at -2441.4G.  - dn

Thursday, August 10, 2023, 17:08: ramping TBHT and TGHT down at 1A/min

Monday, August 14, 2023, 08:15: HV off.

Monday, August 14, 2023, 08:46: Power / Sources off.

Monday, August 14, 2023, 08:47: IG1 & turbo pumps off.

Monday, August 14, 2023, 10:12: Venting.