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. |